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Dell Latitude 2120 Service Manual 

 

Notes, Cautions, and Warnings 

If you purchased a Dell n Series computer, any references in this document to Microsoft Windows operating systems are not applicable. 

Information in this document is subject to change without notice. 

© 2010 Dell Inc. All rights reserved.

 

Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. 

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any 
proprietary interest in trademarks and trade names other than its own. 

June 2010     Rev. A00

 

Working on Your Computer

 

Removing and Replacing Parts

 

System Setup

 

Diagnostics

 

NOTE:

 A NOTE indicates important information that helps you make better use of your computer.

CAUTION: 

A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.

WARNING: 

A WARNING indicates a potential for property damage, personal injury, or death.

Trademarks used in this text: Dell™, the DELL™ logo, and Latitude™ are trademarks of Dell Inc. Intel®

Core™, and SpeedStep® 

are either 

trademarks or registered trademarks of Intel Corporation. Microsoft

®

, Windows

®

, Windows Vista

®

, and the Windows Vista start button are either 

trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Bluetooth

® 

is a registered trademark 

of Bluetooth SIG, Inc.

Summary of Contents for Latitude 2120

Page 1: ...ames other than its own June 2010 Rev A00 Working on Your Computer Removing and Replacing Parts System Setup Diagnostics NOTE A NOTE indicates important information that helps you make better use of your computer CAUTION A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed WARNING A WARNING indicates a potential for property damage personal injury or de...

Page 2: ...ock position 3 Slide and remove the battery from the computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in order to view the illustrations below ...

Page 3: ...Replacing the Battery To replace the battery perform the above steps in reverse order Back to Contents Page ...

Page 4: ...and then push a flathead screwdriver through the screw socket from where you removed the keyboard screw WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in ...

Page 5: ...5 Starting in the top left corner of the keyboard lift the keyboard up and then flip the keyboard 6 Disconnect the keyboard data cable and remove the keyboard from the computer ...

Page 6: ...Replacing the Keyboard To replace the keyboard perform the above steps in reverse order Back to Contents Page ...

Page 7: ...el screws under the keyboard 5 Remove the access panel screws on the bottom of the computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in order to vie...

Page 8: ...6 Starting near the hinges lift the access panel and remove it from the computer Replacing the Access Panel To replace the access panel perform the above steps in reverse order Back to Contents Page ...

Page 9: ...5 Pry the retention clips away from the memory module 6 Remove the memory module from the computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in order...

Page 10: ...placing the Memory Modules To replace the memory modules insert the memory module in the memory slot at an angle then press down the memory module to snap the memory module in place Back to Contents Page ...

Page 11: ...panel 5 Disconnect the coin cell battery cable from the system board 6 Remove the coin cell battery WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in orde...

Page 12: ...Replacing the Coin Cell Battery To replace the coin cell battery perform the above steps in reverse order Back to Contents Page ...

Page 13: ...he WLAN antenna cables from the card 6 Remove the screw that secures the WLAN card to the system board WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in o...

Page 14: ...7 Remove the WLAN card from the computer Replacing the WLAN Card To replace the WLAN card perform the above steps in reverse order Back to Contents Page ...

Page 15: ...he WWAN antenna cables from the card 6 Remove the screw that secures the WWAN card to the system board WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in o...

Page 16: ...7 Remove the WWAN card from the computer Replacing the WWAN Card To replace the WWAN card perform the above steps in reverse order Back to Contents Page ...

Page 17: ...hat secure the hard drive to the system board 6 Slide the hard drive towards the side of the computer to disengage the hard drive from the system board WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need ...

Page 18: ...7 Lift the hard drive up to remove it from the computer 8 Remove the hard drive bracket screws from both sides of the hard drive ...

Page 19: ...Remove the hard drive bracket from the hard drive Replacing the Hard Drive Hard Drive Brackets To replace the hard drive hard drive brackets perform the above steps in reverse order Back to Contents Page ...

Page 20: ...le from the system board and remove it from its routing path 6 Disconnect the fan power cable from the system board WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from A...

Page 21: ...7 Loosen the captive screws on the heat sink 8 Lift the heat sink up to remove it from the computer ...

Page 22: ...Replacing the Heatsink To replace the heatsink perform the above steps in reverse order Back to Contents Page ...

Page 23: ...C power cable from the system board 6 Remove the screw that secures the DC power cable connector to the system board WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from ...

Page 24: ...7 Lift up to remove the DC power cable from the computer Replacing the DC Power Cable To replace the DC power cable perform the above steps in reverse order Back to Contents Page ...

Page 25: ...em board and remove it from its routing path 6 Disconnect the antenna cables from the WLAN card and then remove the cables from their routing path WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to in...

Page 26: ...7 Disconnect the display data cable from the system board 8 Remove the screws that secure the display assembly ...

Page 27: ...9 Remove the display assembly by sliding it toward the base of the computer Replacing the Display Assembly To replace the display assembly perform the above steps in reverse order Back to Contents Page ...

Page 28: ... scribe pry and remove the rubber screw covers from the display bezel 7 Remove the screws that secure the display bezel to the display assembly WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to insta...

Page 29: ...f the display bezel disengage the display bezel from the display assembly and then remove the display bezel Replacing the Display Bezel To replace the display bezel perform the above steps in reverse order Back to Contents Page ...

Page 30: ...cover away from the hinge and remove the hinge cover Replacing the Display Hinge Covers To replace the display hinge covers perform the above steps in reverse order Back to Contents Page WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regul...

Page 31: ... display bezel 7 Disconnect the cable from the camera module 8 Peel the tapes that secure the camera to the display assembly WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Play...

Page 32: ...9 Remove the screws that secure the camera to the display assembly 10 Lift the camera module up to remove it from the display assembly ...

Page 33: ...Replacing the Camera To replace the camera perform the above steps in reverse order Back to Contents Page ...

Page 34: ...connect the display touch screen cable from the display assembly 8 Remove the screws that secure the display panel to the display assembly and then flip over the display panel WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compl...

Page 35: ...9 Remove the display data cable from the display panel 10 Remove the display panel from the display assembly ...

Page 36: ...t secure the display bracket and then remove the display bracket from the display assembly Replacing the Display Panel Bracket To replace the display panel bracket perform the above steps in reverse order Back to Contents Page ...

Page 37: ...bezel 7 Remove the display panel 8 Disconnect the camera cable from the display assembly 9 Remove the grounding captive screw from the display hinge WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to ...

Page 38: ...10 Remove the display cable from the display assembly Replacing the Display Cable To replace the display cable perform the above steps in reverse order Back to Contents Page ...

Page 39: ...8 Loosen the display cable captive screw and remove the screws that secures the display hinge to the display assembly 9 Lift the display hinges and remove it from the display assembly WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulato...

Page 40: ...Replacing the Display Hinges To replace the display hinges perform the above steps in reverse order Back to Contents Page ...

Page 41: ...nk 10 Open the touchpad cable clip and disconnect the touchpad cable from the system board Open the button board cable clip and disconnect the button board data cable from the system board 11 Remove the screws that secure the system board in place WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information...

Page 42: ...12 Starting from the side where the USB ports are located lift up the system board and remove the system board 13 Disconnect the Bluetooth module cable from the system board ...

Page 43: ...14 Remove the screw that secures the Bluetooth module to the system board 15 Remove the Bluetooth module from the system board ...

Page 44: ...Replacing the System Board Bluetooth Module To replace the system board Bluetooth module perform the above steps in reverse order Back to Contents Page ...

Page 45: ... release it 3 Pull and remove the SD Card from the computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in order to view the illustrations below ...

Page 46: ...Replacing the SD Card To replace the SD Card perform the above steps in reverse order Back to Contents Page ...

Page 47: ...d to release it 4 Pull and remove the SIM Card from the computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe Flash Player from Adobe com in order to view the illustrations below ...

Page 48: ...Replacing the SIM Card To replace the SIM Card perform the above steps in reverse order Back to Contents Page ...

Page 49: ...the screw that secures the hard drive accelerator card to the system board 6 Remove the hard drive accelerator card from the computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTE You may need to install Adobe F...

Page 50: ...e the hard drive accelerator card metal bracket from the card Replacing the Hard Drive Accelerator Card To replace the hard drive accelerator card perform the above steps in reverse order Back to Contents Page ...

Page 51: ... the boot sequence permanently in the system setup To access the Boot menu 1 Turn on or restart your computer 2 When the blue DELL logo is displayed press F12 immediately Navigation Keystrokes Use the following keystrokes to navigate the System Setup screens System Setup Menu Options The following tables describe the menu options for the System Setup program CAUTION Unless you are an expert comput...

Page 52: ...configure the operating mode of the internal SATA hard drive controller The options are Disabled ATA and AHCI Miscellaneous Devices Allows you to enable or disable the following devices l External USB Port l Microphone l Media Card l Camera Network Activity LED Allows you to configure the network LED behavior The options are l Enable ACPI OS Control Allows the activity LED to be controlled by an A...

Page 53: ... on 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 l Disabled Do not allow the system to power on when it receives a wake up signal from the LAN or wireless LAN l LAN Only Allow the system to be powered on by special LAN signals The factory defau...

Page 54: ...is field to set the Service Tag If a Service Tag has not been set for this computer the computer will automatically bring up this screen when you enter the System Setup You will be prompted to enter the Service Tag Asset Tag Allows you to create a system Asset Tag The field can only be updated if the Asset Tag is not already set System Logs Option Description BIOS Events Allows you to view and cle...

Page 55: ...he charge gauge press and hold the status button on the battery charge gauge for at least three seconds If no lights appear the battery is in good condition and more than 80 percent of its original charge capacity remains Each light represents incremental degradation If five lights appear less than 60 percent of the charge capacity remains and you should consider replacing the battery Keyboard Sta...

Page 56: ...ules 3 Replace the memory 4 Replace the system board ON FLASH ON Memory is detected but has errors 1 Reseat 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 FLASH FLASH FLASH System board error 1 Replace the system board OFF ON OFF Storage device error 1...

Page 57: ...ital Card SIM Card Access Panel Coin Cell Battery WWAN Card Heatsink DC Power Cable Display Hinge Covers Display Display Brackets Display Hinge System Board Bluetooth Module Battery Keyboard Memory WLAN Card Hard Drive Accelerator Card Hard Drive Hard Drive Bracket Display Assembly Display Bezel Camera Display Cable ...

Page 58: ...DRAM Speed 667 MHz Connectors one SODIMM slot Module capacities 1 GB 2 GB Minimum memory 1 GB Maximum memory 2 GB Video Type Intel UMA graphics integrated on the processor Controller Intel Graphics Media Accelerator Output 15 pin VGA connector Audio Type two channel integrated audio Controller Realtek ALC269 Speakers two Internal speaker amplifier 2 W per channel Volume controls media control butt...

Page 59: ...United States 83 keys United Kingdom 84 keys Brazil 85 keys Japan 87 keys Layout QWERTY AZERTY Kanji Touchpad Active area X axis 60 40 mm 2 37 inches Y axis 34 00 mm 1 34 inches Battery Type 3 cell smart lithium ion 28 WHr 6 cell smart lithium ion 56 WHr Charge time with computer off approximately 80 charge on the battery is restored in 1 hour on a fully discharged battery Operating time battery o...

Page 60: ... 00 mm 10 43 inches Depth 187 00 mm 7 36 inches Weight 3 cell battery without touchscreen 1 30 kg 2 86 lb 6 cell battery without touchscreen 1 50 kg 3 30 lb Environmental Temperature range Operating 0 C to 35 C 32 F to 95 F Non operating 40 C to 65 C 40 F to 149 F Relative humidity maximum Operating 10 to 90 noncondensing Non operating 20 to 95 noncondensing Altitude maximum Operating 15 20 m to 3...

Page 61: ...om regulatory_compliance CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized 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 c...

Page 62: ...side Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your computer 1 Connect any external devices such as a port replicator battery slice or media base and replace any cards such as an ExpressCard 2 Connect any telephone or network cables to your computer 3 Replace the hard drive 4 Replace the battery 5 Connect y...

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