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Diagnostics

38

Diagnostic LED Codes

The following table shows the possible LED codes that may display when your

computer is unable to complete a power on self test.

Appearance

Description

Next Step

Stora

ge

LED

Powe

r LED

Wirel

ess

LED

Blinki

ng

Solid Solid The micro-

controller is

handing control of

the system to the

processor. This

code persists if no

processor is

detected.

Replace the processor.

Solid Blinki

ng

Solid Memory is

detected but has

errors.

1. Re-seat the memory.
2. If two modules are installed,

remove one and test. Try the

other module in the same slot

and test. Test the other slot

with both modules.

3. Replace the memory.
4. Replace the system board.

Blinki

ng

Blinki

ng

Blinki

ng

System board

error

Replace the system board.

Blinki

ng

Blinki

ng

Solid Video card error

Replace the system board.

Blinki

ng

Blinki

ng

Off

Keyboard error

1. Re-seat the keyboard cable.
2. Replace the keyboard.

141

Summary of Contents for Latitude E6420

Page 1: ...Dell Latitude E6420 and E6420 ATG Owner s Manual Regulatory Model P15G Regulatory Type P15G001 P15G002 ...

Page 2: ...ks of Intel Corporation in the U S and other countries AMD is a registered trademark and AMD Opteron AMD Phenom AMD Sempron AMD Athlon ATI Radeon and ATI FirePro are trademarks of Advanced Micro Devices Inc Microsoft Windows MS DOS Windows Vista the Windows Vista start button and Office Outlook are either trademarks or registered trademarks of Microsoft Corporation in the United States and or othe...

Page 3: ...talling The ATG Handle 14 3 ATG Port Cover 15 Removing the ATG Port Cover 15 Installing The ATG Port Cover 16 4 Modem Connector Plug 17 Removing the Modem Connector Plug 17 Installing the Modem Connector Plug 18 5 ExpressCard 19 Removing the ExpressCard 19 Installing the ExpressCard 19 6 Battery 21 Removing the Battery 21 Installing the Battery 22 7 Subscriber Identity Module SIM Card 23 Removing ...

Page 4: ...ving The Optical Drive 31 Installing the Optical Drive 34 12 Memory Card 35 Removing the Memory Card 35 Installing the Memory Card 36 13 Wireless Local Area Network WLAN Card 37 Removing the Wireless Local Area Network WLAN Card 37 Installing the Wireless Local Area Network WLAN Card 39 14 Wireless Wide Area Network WWAN Card 41 Removing the Wireless Wide Area Network WWAN Card 41 Installing the W...

Page 5: ...19 Keyboard 57 Removing the Keyboard 57 Installing the Keyboard 60 20 Modem Card 61 Removing the Modem Card 61 Installing the Modem Card 63 21 Palm Rest 65 Removing the Palm Rest Assembly 65 Installing the Palm Rest Assembly 68 22 Smart Card Reader 69 Removing the Smart Card 69 Installing the Smart Card 71 23 Media Board 73 Removing The Media Board 73 Installing the Media Board 75 24 ExpressCard C...

Page 6: ...em Connector 93 28 Input Output Panel 95 Removing the Input Output I O Board 95 Installing the Input Output I O Board 97 29 DC In Port 99 Removing DC in Port 99 Installing DC In Port 102 30 Display Assembly 103 Removing the Display Assembly 103 Installing the Display Assembly 106 31 Display Hinges 107 Removing the Display Hinge Covers 107 Installing the Display Hinge Covers 110 32 Display Bezel 11...

Page 7: ...isplay Bracket 117 35 Camera 119 Removing the Camera 119 Installing the Camera 120 36 Specifications 121 Technical Specifications 121 37 System Setup 129 Setup Overview 129 Entering System Setup 129 System Setup Menu 129 38 Diagnostics 141 Diagnostic LED Codes 141 Battery Status Lights 142 Device Status Lights 143 39 Contacting Dell 145 Contacting Dell 145 ...

Page 8: ...8 ...

Page 9: ...uthorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal su...

Page 10: ...ectrical outlets 6 Close the display and turn the computer upside down on a flat work surface NOTE To avoid damaging the system board you must remove the main battery before you service the computer 7 Remove the main battery 8 Turn the computer top side up 9 Open the display 10 Press the power button to ground the system board CAUTION To guard against electrical shock always unplug your computer f...

Page 11: ...at the computer and all attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your operating system press and hold the power button for about 4 seconds to turn them off After Working Inside Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your compu...

Page 12: ...a network cable first plug the cable into the network device and then plug it into the computer 3 Replace the battery 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer 12 ...

Page 13: ...G Handle 2 Removing The ATG Handle 1 Follow the procedures in Before Working On Your Computer 2 Remove the screws that secure the ATG handle to the computer 3 Remove the ATG handle out of the computer 13 ...

Page 14: ...Installing The ATG Handle 1 Place the ATG handle and tighten the screws that secure it to the computer 2 Follow the procedures in After working inside your computer 14 ...

Page 15: ...Removing the ATG Port Cover 1 Follow the procedures in Before Working On Your Computer 2 Remove the screws on the right ATG Port Cover 3 Remove the right ATG port cover 4 Remove the screws on the left ATG port cover 15 ...

Page 16: ...move the left ATG Port Cover Installing The ATG Port Cover 1 Place the ATG Port Covers and tighten the screws that secure it to the computer 2 Follow the procedures in After working inside your computer 16 ...

Page 17: ... Modem Connector Plug 1 Follow the procedures in Before Working On Your Computer 2 Remove the battery 3 Pop open the rubber cover 4 Identify the pin hole 5 Insert a pin into the hole and pull the pin upwards to release the latch cover 17 ...

Page 18: ... Connector Plug 1 Place the modem cover 2 Identify the pin hole and insert a pin into the hole and pull the pin to lock the cover 3 Lock the rubber cover 4 Install the Battery 5 Follow the procedures in After Working Inside Your Computer 18 ...

Page 19: ...g On Your Computer 2 Press in on the ExpressCard to release it from the computer 3 Slide the ExpressCard out of the computer Installing the ExpressCard 1 Slide the ExpressCard into its slot until it clicks into place 2 Follow the procedures in After working inside your computer 19 ...

Page 20: ...20 ...

Page 21: ...Battery 6 Removing the Battery 1 Follow the procedures in Before Working On Your Computer 2 Slide the battery latches toward the unlock position 3 Slide the battery out of the computer and remove it 21 ...

Page 22: ...Installing the Battery 1 Slide the battery into its slot until it clicks into place 2 Follow the procedures in After working inside your computer 22 ...

Page 23: ...odule SIM Card 7 Removing the Subscriber Identity Module SIM Card 1 Follow the procedures in Before Working On Your Computer 2 Remove the Battery 3 Insert the SIM card into the slot 4 Remove the SIM card from the system 23 ...

Page 24: ...Installing the Subscriber Identity Module SIM Card 1 Slide the SIM card into its slot 2 Install the Battery 3 Follow the procedures in After Working Inside Your Computer 24 ...

Page 25: ... On Your Computer 2 Press in on the SD card to release the SD card from the computer 3 Slide the SD card out of the computer Installing the Secure Digital SD Card 1 Slide the Secure Digital SD card into its slot until it clicks into place 2 Follow the procedures in After working inside your computer 25 ...

Page 26: ...26 ...

Page 27: ...n Your Computer 2 Remove the ATG Handle only for E6420 ATG systems 3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the screws that secure the base cover to the computer 7 Lift the base cover up and away from the computer 27 ...

Page 28: ...ter 2 Tighten the screws that secure the base cover to the computer 3 Install the Secure Digital SD Card 4 Install the Battery 5 Install the ATG Port Cover only for E6420 ATG systems 6 Install the ATG Handle only for E6420 ATG systems 7 Follow the procedures in After Working Inside Your Computer 28 ...

Page 29: ...ocedures in Before Working On Your Computer 2 Remove the Battery 3 Remove the screws that secure the hard drive to the computer 4 Slide and remove the hard drive out of the computer 5 Remove the screw that secures the hard drive caddy to the hard drive 29 ...

Page 30: ...ard drive caddy to the hard drive 2 Tighten the screw to secure the hard drive caddy to the hard drive 3 Slide the hard drive into the computer 4 Replace and tighten the screws that secure the hard drive to the computer 5 Install the Battery 6 Follow the procedures in After working inside your computer 30 ...

Page 31: ...al Drive 1 Follow the procedures in Before Working On Your Computer 2 Remove the Battery 3 Push in the drive latch into the slot 4 Pull the optical drive using the drive latch 5 Pull the optical drive door from one side to release it 31 ...

Page 32: ...the other side of the optical drive door to release it completely from the optical drive 7 Remove the screw that secures the drive latch to the optical drive 8 Remove the drive latch from the optical drive 32 ...

Page 33: ...9 Remove the screws that secures the drive latch bracket to the optical drive 10 Remove the drive latch bracket from the optical drive 33 ...

Page 34: ...ive 4 Tighten the screw that secures the drive latch to the optical drive 5 Push one side of the optical drive door to insert it completely into the optical drive 6 Pull the optical drive door from one side to insert it from the side 7 Insert the optical drive using the drive latch 8 Place the drive latch into the slot 9 Install the Battery 10 Follow the procedures in After working inside your com...

Page 35: ...er only for E6420 ATG systems 4 Remove the battery 5 Remove the Secure Digital SD card 6 Remove the base cover 7 Use your fingertips to spread apart the securing clips on each end of the memory module connector until the memory module pops up 8 Remove the memory module from its connector on the system board by drawing the module from the system board at a 45 degree angle 35 ...

Page 36: ...ure the memory module to the system board 3 Install the Base Cover 4 Install the Secure Digital SD card 5 Install the Battery 6 Install the ATG Port Cover only for E6420 ATG systems 7 Install the ATG Handle only for E6420 ATG systems 8 Follow the procedures in After Working Inside Your Computer 36 ...

Page 37: ...Working On Your Computer 2 Remove the ATG Handle only for E6420 ATG systems 3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the battery 5 Remove the Secure Digital SD card 6 Remove the base cover 7 Disconnect the antenna cables from the WLAN card 8 Remove the screw that secures the WLAN card to the computer 37 ...

Page 38: ...9 Slide and remove the WLAN card out from its slot on the system board 38 ...

Page 39: ...WLAN card to the computer 3 Connect the antenna cables to their respective connectors marked on the WLAN card 4 Install the ATG Port Cover only for E6420 ATG systems 5 Install the ATG Handle only for E6420 ATG systems 6 Install the base cover 7 Install the Secure Digital SD card 8 Install the battery 9 Follow the procedures in After Working Inside Your Computer 39 ...

Page 40: ...40 ...

Page 41: ...Before Working On Your Computer 2 Remove the ATG Handle only for E6420 ATG systems 3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Base Cover 7 Disconnect the antenna cables from the WWAN card 8 Remove the screw that secures the WWAN card to the computer 41 ...

Page 42: ...9 Slide the WWAN card from its connector and remove it from the computer 42 ...

Page 43: ...WWAN card to the computer 3 Connect the antenna cables to their respective connectors marked on the WWAN card 4 Install the Base Cover 5 Install the Secure Digital SD Card 6 Install the Battery 7 Install the ATG Port Cover only for E6420 ATG systems 8 Install the ATG Handle only for E6420 ATG systems 9 Follow the procedures in After Working Inside Your Computer 43 ...

Page 44: ...44 ...

Page 45: ...omputer 2 Remove the ATG Handle only for E6420 ATG systems 3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Base Cover 7 Disconnect any antennas routed over the coin cell battery 8 Disconnect the coin cell battery cable from the system board 45 ...

Page 46: ...ell battery cable to the system board 3 Connect any antennas that were routed over the coin cell battery 4 Install the Base Cover 5 Install the Secure Digital SD card 6 Install the Battery 7 Install the ATG Port Cover only for E6420 ATG systems 8 Install the ATG Handle only for E6420 ATG systems 9 Follow the procedures in After Working Inside Your Computer 46 ...

Page 47: ...g On Your Computer 2 Remove the ATG Handle only for E6420 ATG systems 3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Base Cover 7 Disconnect the heat sink assembly cable 8 Loosen the screws securing the heat sink 47 ...

Page 48: ...9 Remove the heat sink assembly from the system 10 Rotate the processor cam lock in a counter clockwise direction 48 ...

Page 49: ...eat sink assembly into the system 4 Tighten the four screws securing the heat sink 5 Connect the heat sink assembly cable 6 Install the Base Cover 7 Install the Secure Digital SD Card 8 Install the Battery 9 Install the ATG Port Cover only for E6420 ATG systems 10 Install the ATG Handle only for E6420 ATG systems 11 Follow the procedures in After Working Inside Your Computer 49 ...

Page 50: ...50 ...

Page 51: ...e the ATG Handle only for E6420 ATG systems 3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the Battery 5 Remove the Secure Digital Card 6 Remove the Base Cover 7 Remove the Hard Drive 8 Remove the screw that secures the bluetooth card to the computer 9 Remove the bluetooth card from the holder 51 ...

Page 52: ...10 Disconnect the bluetooth cable 52 ...

Page 53: ...w to secure the bluetooth card to the computer 3 Install the Hard Drive 4 Install the Base Cover 5 Install the SD Card 6 Install the Battery 7 Install the ATG Port Cover only for E6420 ATG systems 8 Install the ATG Handle only for E6420 ATG systems 9 Follow the procedures in After Working Inside Your Computer 53 ...

Page 54: ...54 ...

Page 55: ... Keyboard Trim 1 Follow the procedures in Before Working On Your Computer 2 Using a plastic scribe pry the keyboard trim from the top edge to release it from the computer 3 Pry along the sides 4 Release the tabs part of the trim 55 ...

Page 56: ...he keyboard trim to release it from the computer Installing the Keyboard Trim 1 Align the keyboard trim with the keyboard and gently snap it into place 2 Follow the procedures in After Working Inside Your Computer 56 ...

Page 57: ...llow the procedures in Before Working On Your Computer 2 Remove the Battery 3 Remove the Keyboard Trim 4 Remove the screws that secure the keyboard at the bottom of the computer 5 Remove the screws that secure the keyboard on the system 57 ...

Page 58: ...6 Carefully flip the keyboard over and lay it toward the display 7 Disconnect the keyboard cable from the system board 8 Remove the keyboard from the computer 58 ...

Page 59: ...9 Remove the tape securing the keyboard cable from the keyboard 10 Unlock the cable holder 59 ...

Page 60: ...rd cable and secure it to the keyboard using the tape 2 Connect the keyboard cable to its connector on the system board 3 Replace and tighten the screws that secure the keyboard to the computer 4 Install the Battery 5 Install the Keyboard Trim 6 Follow the procedures in After Working Inside Your Computer 60 ...

Page 61: ... 1 Follow the procedures in Before Working On Your Computer 2 Remove the Battery 3 Remove the Keyboard Trim 4 Remove the Keyboard 5 Remove the screw securing the modem card to the computer 6 Pull out the tab from underneath the palmrest 61 ...

Page 62: ...7 Lift the tab to disconnect the holder 8 Rotate the modem card at an angle 9 Remove modem card from the slot away from the computer 62 ...

Page 63: ... Connect the modem cable to the modem card on the system board 2 Place the modem card in its slot in the computer 3 Tighten the screw securing the modem card to the system 4 Install the Keyboard Trim 5 Install the Keyboard 6 Install the Battery 7 Follow the procedures in After working inside your computer 63 ...

Page 64: ...64 ...

Page 65: ... ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Base Cover 7 Remove the Optical Drive 8 Remove the Hard Drive 9 Remove the WWAN Card 10 Remove the Bluetooth Card 11 Remove the Keyboard Trim 12 Remove the Keyboard 13 Remove the screws that secure the palm rest assembly to the computer 14 Turn the system and remove the screws that secure the palm rest assembly to the computer 65 ...

Page 66: ...D smart card touchpad RFID and ExpressCard cable from the system board 16 Using a plastic scribe gently pry out the top right corner of the palm rest and run along the scribe to the right side of the palm rest to release the snaps 66 ...

Page 67: ...to use the scribe to run along the top and left side of the palm rest until all snaps are released 18 Lift the top side at a 25 degree angle pull the palm rest towards the screen and remove it from the computer 67 ...

Page 68: ...e and tighten the screws that secure the palm rest assembly to the computer 5 Install the Keyboard 6 Install the Keyboard Trim 7 Install the Bluetooth Card 8 Install the WWAN Card 9 Install the Hard Drive 10 Install the Optical Drive 11 Install the Base Cover 12 Install the Secure Digital SD Card 13 Install the Battery 14 Install the ATG Port Cover only for E6420 ATG systems 15 Install the ATG Han...

Page 69: ...3 Remove the ATG Port Cover only for E6420 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Base Cover 7 Remove the Hard Drive 8 Remove the Keyboard Trim 9 Remove the Keyboard 10 Remove the Palmrest Assembly 11 Remove the Smart Card Reader cable from the system board 12 Remove the screws securing the Smart Card Reader to the computer 69 ...

Page 70: ...13 Remove the Smart Card Reader from the computer 70 ...

Page 71: ...cable on the system board 4 Install the Palmrest Assembly 5 Install the Keyboard 6 Install the Keyboard Trim 7 Install the Hard Drive 8 Install the Base Cover 9 Install the SD Card 10 Install the Battery 11 Install the ATG Port Cover only for E6420 ATG systems 12 Install the ATG Handle only for E6420 ATG systems 13 Follow the procedures in After Working Inside Your Computer 71 ...

Page 72: ...72 ...

Page 73: ...20 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Optical Drive 7 Remove the Base Cover 8 Remove the Hard Drive 9 Remove the WWAN Card 10 Remove the Bluetooth Card 11 Remove the Keyboard Trim 12 Remove the Keyboard 13 Remove the Palmrest Assembly 14 Disconnect the media board cable from the system board 15 Remove the screws that secure the media board to the computer 73 ...

Page 74: ...16 Remove the media board from the computer 74 ...

Page 75: ...the ATG Port Cover for E6420 ATG systems only 6 Install the Palmrest Assembly 7 Install the Keyboard 8 Install the Keyboard Trim 9 Install the WWAN Card 10 Install the Bluetooth Card 11 Install the Hard Drive 12 Install the Optical Drive 13 Install the Base Cover 14 Install the SD Card 15 Install the Battery 16 Install the ATG Port Cover only for E6420 ATG systems 17 Install the ATG Handle only fo...

Page 76: ...76 ...

Page 77: ...ly for E6420 ATG systems 4 Remove the Battery 5 Remove the SD Card 6 Remove the Base Cover 7 Remove the Optical Drive 8 Remove the Hard Drive 9 Remove the Bluetooth Card 10 Remove the Keyboard Trim 11 Remove the Keyboard 12 Remove the Palmrest Assembly 13 Remove the screws securing the ExpressCard cage to the computer 14 Lift the ExpressCard slot to a 45 degree angle and remove the slot 77 ...

Page 78: ...nstall the Keyboard 5 Install the Keyboard Trim 6 Install the Bluetooth Card 7 Install the Hard Drive 8 Install the Optical Drive 9 Install the Base Cover 10 Install the Secure Digital SD Card 11 Install the Battery 12 Install the ATG Port Cover only for E6420 ATG systems 13 Install the ATG Handle only for E6420 ATG systems 14 Follow the procedures in After working inside your computer 78 ...

Page 79: ... Remove the Base Cover 7 Remove the ExpressCard 8 Remove the Optical Drive 9 Remove the Memory 10 Remove the Hard Drive 11 Remove the WLAN Card 12 Remove the WWAN Card 13 Remove the Coin Cell Battery 14 Remove the Heat Sink and Processor 15 Remove the Bluetooth Card 16 Remove the Keyboard Trim 17 Remove the Keyboard 18 Remove the Modem Card 19 Remove the Palmrest Assembly 20 Remove the ExpressCard...

Page 80: ...22 Remove the screws from the video cable holder 23 Remove the video cable holder 80 ...

Page 81: ...24 Disconnect the video camera and LED cables from the system board 25 Remove the screw that secures the system board to the computer 26 Flip and remove the screws from the system board 81 ...

Page 82: ...27 Remove the Smart Card reader cable Media Board cable and DC in Cable 28 Disconnect the motherboard from the IO Board 82 ...

Page 83: ...29 Slide to unlock system board from the port connectors 30 Remove the system board 83 ...

Page 84: ...Connect the speaker cable to the system board 8 Install the ExpressCard Cage 9 Install the Palmrest Assembly 10 Install the Modem Card 11 Install the Keyboard 12 Install the Keyboard Trim 13 Install the Bluetooth Card 14 Install the Heat Sink and Processor 15 Install the Coin Cell Battery 16 Install the WWAN Card 17 Install the WLAN Card 18 Install the Hard Drive 19 Install the Memory 20 Install t...

Page 85: ...se Cover 7 Remove the ExpressCard 8 Remove the Optical Drive 9 Remove the Memory 10 Remove the Hard Drive 11 Remove the WLAN Card 12 Remove the WWAN Card 13 Remove the Coin Cell Battery 14 Remove the Heat Sink and Processor 15 Remove the Bluetooth Card 16 Remove the Keyboard Trim 17 Remove the Keyboard 18 Remove the Modem Card 19 Remove the Palmrest Assembly 20 Remove the ExpressCard Cage 21 Remov...

Page 86: ...23 Unthread the speaker cable 24 Remove the speaker from the system 86 ...

Page 87: ...im 10 Install the Bluetooth Card 11 Install the Heat Sink and Processor 12 Install the Coin Cell Battery 13 Install the WWAN Card 14 Install the WLAN Card 15 Install the Hard Drive 16 Install the Memory 17 Install the Optical Drive 18 Install the ExpressCard 19 Install the Base Cover 20 Install the SD Card 21 Install the Battery 22 Install the ATG Port Cover only for E6420 ATG systems 23 Install t...

Page 88: ...88 ...

Page 89: ...se Cover 7 Remove the Modem Connector Plug 8 Remove the ExpressCard 9 Remove the Optical Drive 10 Remove the Memory 11 Remove the Hard Drive 12 Remove the WLAN Card 13 Remove the WWAN Card 14 Remove the Coin Cell Battery 15 Remove the Heat Sink and Processor 16 Remove the Bluetooth Card 17 Remove the Keyboard Trim 18 Remove the Keyboard 19 Remove the Modem Card 20 Remove the Palmrest Assembly 21 R...

Page 90: ...24 Unthread the video and wireless antenna cables 25 Unthread the modem cable 90 ...

Page 91: ...26 Pull out the end of the modem to motherboard connector 27 Remove screw from modem cable holder 28 Remove modem cable holder 91 ...

Page 92: ...29 Remove the whole modem cable assembly by pulling it out from the base 92 ...

Page 93: ... Card 11 Install the Keyboard 12 Install the Keyboard Trim 13 Install the Bluetooth Card 14 Install the Heat Sink and Processor 15 Install the Coin Cell Battery 16 Install the WWAN Card 17 Install the WLAN Card 18 Install the Hard Drive 19 Install the Memory 20 Install the Optical Drive 21 Install the ExpressCard 22 Install the Modem Connector Plug 23 Install the Base Cover 24 Install the SD Card ...

Page 94: ...94 ...

Page 95: ...Card 6 Remove the Base Cover 7 Remove the ExpressCard 8 Remove the Optical Drive 9 Remove the Memory 10 Remove the Hard Drive 11 Remove the WLAN Card 12 Remove the WWAN Card 13 Remove the Coin Cell Battery 14 Remove the Heat Sink and Processor 15 Remove the Bluetooth Card 16 Remove the Keyboard Trim 17 Remove the Keyboard 18 Remove the Modem Card 19 Remove the Palmrest Assembly 20 Remove the Expre...

Page 96: ...22 Remove the I O board from the computer 96 ...

Page 97: ... 9 Install the Bluetooth Card 10 Install the Heat Sink and Processor 11 Install the Coin Cell Battery 12 Install the WWAN Card 13 Install the WLAN Card 14 Install the Hard Drive 15 Install the Memory 16 Install the Optical Drive 17 Install the Express Card 18 Install the Base Cover 19 Install the SD Card 20 Install the Battery 21 Install the ATG Port Cover only for E6420 ATG systems 22 Install the...

Page 98: ...98 ...

Page 99: ...ase Cover 7 Remove the ExpressCard 8 Remove the Optical Drive 9 Remove the Memory 10 Remove the Hard Drive 11 Remove the WLAN Card 12 Remove the WWAN Card 13 Remove the Coin Cell Battery 14 Remove the Heat Sink and Processor 15 Remove the Bluetooth Card 16 Remove the Keyboard Trim 17 Remove the Keyboard 18 Remove the Modem Card 19 Remove the Palmrest Assembly 20 Remove the ExpressCard Cage 21 Remo...

Page 100: ...23 Remove the DC in bracket 24 Remove the DC in cable from the system 100 ...

Page 101: ...25 Push in the DC in trim and remove it from the system 101 ...

Page 102: ...Install the Keyboard Trim 11 Install the Bluetooth Card 12 Install the Heat Sink and Processor 13 Install the Coin Cell Battery 14 Install the WWAN Card 15 Install the WLAN Card 16 Install the Hard Drive 17 Install the Memory 18 Install the Optical Drive 19 Install the ExpressCard 20 Install the Base Cover 21 Install the SD Card 22 Install the Battery 23 Install the ATG Port Cover only for E6420 A...

Page 103: ...ve the ExpressCard 8 Remove the Optical Drive 9 Remove the Memory 10 Remove the Hard Drive 11 Remove the WLAN Card 12 Remove the WWAN Card 13 Remove the Coin Cell Battery 14 Remove the Heat Sink and Processor 15 Remove the Bluetooth Card 16 Remove the Keyboard Trim 17 Remove the Keyboard 18 Remove the Modem Card 19 Remove the Palm rest Assembly 20 Remove the ExpressCard Cage 21 Remove the System B...

Page 104: ...24 Unthread the antennas video and camera connectors 25 Lift up the whole bottom base while threading the cable down via the bottom base 104 ...

Page 105: ...105 ...

Page 106: ...eyboard Trim 10 Install the Bluetooth Card 11 Install the Heat Sink and Processor 12 Install the Coin Cell Battery 13 Install the WWAN Card 14 Install the WLAN Card 15 Install the Hard Drive 16 Install the Memory 17 Install the Optical Drive 18 Install the ExpressCard 19 Install the Base Cover 20 Install the Secure Digital SD Card 21 Install the Battery 22 Install the ATG Port Cover only for E6420...

Page 107: ... ExpressCard 8 Remove the Optical Drive 9 Remove the Memory 10 Remove the Hard Drive 11 Remove the WLAN Card 12 Remove the WWAN Card 13 Remove the Coin Cell Battery 14 Remove the Heat Sink and Processor 15 Remove the Bluetooth Card 16 Remove the Keyboard Trim 17 Remove the Keyboard 18 Remove the Modem Card 19 Remove the Palmrest Assembly 20 Remove the ExpressCard Cage 21 Remove the System Board 22...

Page 108: ...25 Remove the display hinge cover from the left hinge 26 Pry the display hinge cover from the right hinge 27 Remove the display hinge cover from the right hinge 108 ...

Page 109: ...109 ...

Page 110: ...d 10 Install the Keyboard Trim 11 Install the Bluetooth Card 12 Install the Heat Sink and Processor 13 Install the Coin Cell Battery 14 Install the WWAN Card 15 Install the WLAN Card 16 Install the Hard Drive 17 Install the Memory 18 Install the Optical Drive 19 Install the ExpressCard 20 Install the Base Cover 21 Install the SD Card 22 Install the Battery 23 Install the ATG Port Cover only for E6...

Page 111: ...play Bezel 1 Follow the procedures in Before Working On Your Computer 2 Remove the Battery 3 Pry the left and right edges of the display bezel 4 Work along to the top and bottom edges of the display bezel 5 Remove the display bezel 111 ...

Page 112: ... the display bezel into the system 2 Work along to the top and bottom edges of the display bezel 3 Press the left and right edges of the display bezel 4 Install the Battery 5 Follow the procedures in After Working Inside Your Computer 112 ...

Page 113: ...he Display Panel 1 Follow the procedures in Before Working On Your Computer 2 Remove the Battery 3 Remove the Display Bezel 4 Remove the screws securing the display panel to the display assembly 5 Flip the display panel over 113 ...

Page 114: ...Voltage Differential Signaling LVDS cable connector tape from the display panel 7 Disconnect the Low Voltage Differential Signaling LVDS cable from the display panel 8 Remove the display panel from the display assembly 114 ...

Page 115: ...the display assembly 2 Connect the Low Voltage Differential Signaling LVDS cable to the display panel 3 Tighten the screws securing the display panel to the display assembly 4 Install the LCD Bezel 5 Install the Battery 6 Follow the procedures in After Working Inside Your Computer 115 ...

Page 116: ...116 ...

Page 117: ... the Display Panel 5 Remove the screws from each side of the display panel and remove the display brackets Installing the Display Bracket 1 Place the display brackets and tighten the screws on either side of the display panel 2 Install the Display Panel 3 Install the LCD Bezel 4 Install the Battery 5 Follow the procedures in After Working Inside Your Computer 117 ...

Page 118: ...118 ...

Page 119: ...e procedures in Before Working On Your Computer 2 Remove the Battery 3 Remove the Display Bezel 4 Remove the Display Panel 5 Disconnect the camera cable from the camera 6 Remove the captive screw securing the camera to the display assembly 119 ...

Page 120: ...n its original position in the display assembly 2 Tighten the screw securing the camera to the display assembly 3 Connect the camera cable to the camera 4 Install the Display Panel 5 Install the Display Bezel 6 Install the Battery 7 Follow the procedures in After working inside your computer 120 ...

Page 121: ...r System Information Chipset Intel Mobile Express Series 6 chipset DRAM bus width 64 bit Flash EPROM SPI 32 Mbits PCIe Gen1 bus 100 MHz Processor Types Intel Core i3 series available only with Latitude E6420 only Intel Core i5 series with Turbo Boost technology 2 0 Intel Core i7 series with Turbo Boost technology 2 0 L2 cache up to 6 MB External bus frequency 1333 MHz Memory Memory connector two S...

Page 122: ...ers two Internal speaker amplifier 0 5 W typical per channel Volume controls keyboard function keys and program menus Video Video type integrated on system board discrete Data bus UMA integrated video Discrete PCI E x16 Gen1 PCI E x16 Gen2 Controller UMA Latitude E6420 Intel HD Graphics Latitude E6420 ATG Intel HD Graphics 3000 Discrete NVIDIA NVS 4200M Discrete Graphics 512 MB DDR3 Communications...

Page 123: ...ctor Memory card reader one 5 in 1 memory card reader Contactless Smart Card Supported Smart Cards Technologies ISO14443A 106 kbps 212 kbps 424 kbps and 848 kbps ISO14443B 106 kbps 212 kbps 424 kbps and 848 kbps ISO15693 HID iClass FIPS201 NXP Desfire Display Type white Light Emitting Diode WLED display Size 14 0 inch high definition HD Active area X Y 309 40 mm x 173 95 mm Dimensions Height 192 5...

Page 124: ...al 50 Vertical 40 Pixel pitch 0 2265 mm Keyboard Number of keys United States 86 keys United Kingdom 87 keys Brazil 87 keys and Japan 90 keys Layout QWERTY AZERTY Kanji Touchpad Active Area X axis 80 00 mm Y axis 40 70 mm Battery Type 4 cell smart lithium ion available only with Latitude E6420 only 6 cell smart lithium ion 9 cell smart lithium ion Dimensions 4 cell and 6 cell 124 ...

Page 125: ... with computer off approximately 1 hour to 80 capacity and 2 hours to 100 capacity Voltage 4 cell 14 80 VDC 6 cell and 9 cell 11 10 VDC Temperature range Latitude E6420 Operating 0 C to 35 C 32 F to 95 F Non Operating 40 C to 65 C 40 F to 149 F Latirude E6420 ATG Operating 0 C to 60 C 32 F to 140 F Non Operating 51 C to 71 C 59 F to 159 F Coin cell battery 3 V CR2032 lithium coin cell AC Adapter L...

Page 126: ...W and 150 W 90 W Output current 3 34 A 4 62 A and 7 70 A continuous 4 62 A continuous Rated output voltage 19 5 1 0 VDC 19 5 1 0 VDC Temperature range Operating 0 C to 40 C 32 F to 104 F 0 C to 40 C 32 F to 104 F Non Operating 40 C to 70 C 40 F to 158 F 40 C to 70 C 40 F to 158 F Physical Latitude E6420 Height 26 90 mm to 32 40 mm 1 06 inches to 1 27 inches Width 352 00 mm 13 86 inches Depth 241 0...

Page 127: ... 95 F Storage 40 C to 65 C 40 F to 149 F Latitude E6420 ATG Operating 0 C to 60 C 32 F to 140 F Storage 51 C to 71 C 59 F to 159 F Tested configuration is without the optical drive Relative humidity maximum Operating 10 to 90 noncondensing Storage 5 to 95 noncondensing Altitude maximum Operating 15 2 m to 3048 m 50 ft to 10 000 ft Non Operating 15 2 m to 10 668 m 50 ft to 35 000 ft Airborne contam...

Page 128: ...128 ...

Page 129: ...changes can cause your computer to work incorrectly Entering System Setup 1 Turn on or restart your computer 2 When the blue DELL logo is displayed you must watch for the F2 prompt to appear 3 Once the F2 prompt appears press F2 immediately NOTE The F2 prompt indicates that the keyboard has initialized This prompt can appear very quickly so you must watch for it to display and then press F2 If you...

Page 130: ...d an operating system Diskette Drive Internal HDD USB Storage Device CD DVD CD RW Drive Onboard NIC Cardbus NIC You can also choose the Boot List option The options are Legacy UEFI Date Time Allows you to change the date and time System Configuration Option Description NOTE System Configuration contains options and settings related to integrated system devices Depending on your computer and instal...

Page 131: ...o configure the parallel port on the docking station The options are Disabled AT PS2 ECP Default Setting AT Serial Port Allows you to configure the integrated serial port The options are Disabled COM1 COM2 COM3 COM4 Default Setting COM1 SATA Operation Allows you to configure the internal SATA hard drive controller The options are Disabled ATA AHCI RAID On Default Setting RAID On NOTE SATA is confi...

Page 132: ...rophone eSATA Ports Hard Drive Free Fall Protection Module Bay ExpressCard Camera You can also enable or disable Media Card and 1394 Enable Media Card only Disable Media Card and 1394 Default Setting Media Card and 1394 Keyboard illumination Allows you to configure the keyboard illumination feature The options are Disabled Level is 25 Level is 50 Level is 75 Level is 100 Default Setting Level is 2...

Page 133: ...change or delete the administrator admin password NOTE You must set the admin password before you set the system or hard drive password NOTE Deleting the admin password automatically deletes the system password and the hard drive password NOTE Successful password changes take effect immediately Default Setting Not set System Password Allows you to set change or delete the system password NOTE Succ...

Page 134: ...min password is set Default Setting Allow Non Admin Password Changes is selected Strong Password Allows you to enforce the option to always set strong passwords Default Setting Disabled OROM Keyboard Access Allows you to set an option to enter the Option ROM Configuration screens using hotkeys during boot The options are Enable One Time Enable Disable Default Setting Enable TPM Security Allows you...

Page 135: ...d by the admin password Default Setting Disabled Password Configuration Allows you to determine the minimum and maximum length of Administrator and System passwords Admin Setup Lockout Allows you to prevent users from entering Setup when an Administrator password is set Default Setting Disabled Performance Option Description Multi Core Support Allows you to enable or disable multi core support for...

Page 136: ...rThread Control Allows you to enable or disable the HyperThreading in the processor Default Setting Enabled Power Management Option Description AC Behavior Allows you to enable or disable the computer from turning on automatically when an AC adapter is connected Default Setting Wake on AC is not selected Auto On Time Allows you to set the time at which the computer must turn on automatically The o...

Page 137: ...triggered by a special LAN signal or from Hibernate state when triggered by a special wireless LAN signal Wake up from the Standby state is unaffected by this setting and must be enabled in the operating system This feature only works when the computer is connected to AC Disabled Does not allow the system to power on when it receives a wake up signal from the LAN or wireless LAN LAN Only Allows th...

Page 138: ...ut The options are Serial Mouse PS2 Mouse Touchpad PS 2 Mouse Default Setting Touchpad PS 2 Mouse Numlock Enable Allows you to enable the Numlock option when the computer boots Default Setting Enable Numlock is selected Fn Key Emulation Allows you to set the option where the Scroll Lock key is used to simulate the Fn key feature Default Setting Enable Fn Key Emulation is selected POST HotKeys Allo...

Page 139: ...his option specifies whether a Measured Virtual Machine Monitor MVMM can utilize the additional hardware capabilities provided by Intel Trusted Execution Technology The TPM Virtualization Technology and Virtualization Technology for Direct I O must be enabled to use this feature Default Setting Disabled is selected Wireless Option Description Wireless Switch Allows you to set the wireless devices ...

Page 140: ...tically bring up this screen when users enter the BIOS You will be prompted to enter the Service Tag Asset Tag Displays the Asset Tag System Logs Option Description BIOS Events Allows you to view and clear the System Setup BIOS POST events DellDiag Events Allows you to view and clear the DellDiag events Thermal Events Allows you to view and clear the Thermal events Power Events Allows you to view ...

Page 141: ... if no processor is detected Replace the processor Solid Blinki ng Solid Memory is detected but has errors 1 Re seat the memory 2 If two modules are installed remove one and test Try the other module in the same slot and test Test the other slot with both modules 3 Replace the memory 4 Replace the system board Blinki ng Blinki ng Blinki ng System board error Replace the system board Blinki ng Blin...

Page 142: ...he video card system board Off Blinki ng Blinki ng Modem error 1 Re seat the modem 2 Replace the modem 3 Replace the system board Battery Status Lights If the computer is connected to an electrical outlet the battery light operates as follows Alternately blinking amber light and blue light An unauthenticated or unsupported non Dell AC adapter is attached to your laptop Alternately blinking amber l...

Page 143: ... turn on the computer and blinks when the computer is in a power management mode Turns on when the computer reads or writes data Turns on steadily or blinks to indicate battery charge status Turns on when wireless networking is enabled 143 ...

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Page 145: ... support and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Visit support dell com 2 Select your support category 3 If you are not a U S customer select your country code at the bottom of the page or select All to see more choices 4 Select the appropriate service...

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