Dell Inspiron N4020, Service Manual

Page 1: ... 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 Regulatory model P07G series Regulatory type P07G001 P07G003 March 2010 Rev A00 Before You Begin Battery Hard Drive Optical Drive Module Cover Memory Module s Keyboard Wireless Mini Card Palm Rest Power Bu...

Page 2: ...ry 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 regulatory_compliance CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not...

Page 3: ...driver place the latch spring over the hook on the battery latch assembly 4 Push the plastic clips on the battery release latch into the hole on the battery latch assembly to secure the battery release latch 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 ...

Page 4: ...the instructions from step 6 to step 18 in Replacing the System Board Back to Contents Page CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 5: ...Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety CAUTION To avoid losing data save and close all open files and exit all open programs before you turn off your computer WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best ...

Page 6: ... Disconnect all attached devices from your computer 7 Remove the battery see Removing the Battery 8 Turn the computer top side up open the display and press the power button to ground the system board Back to Contents Page CAUTION To avoid damaging the computer perform the following steps before you begin working inside the computer CAUTION To disconnect a network cable first unplug the cable from...

Page 7: ...c Select the product model number in the Select Your Product Model list d Click Confirm 5 A list of results appear on the screen Click BIOS 6 Click Download Now to download the latest BIOS file The File Download window appears 7 Click Save to save the file on your desktop The file downloads to your desktop 8 Click Close if the Download Complete window appears The file icon appears on your desktop ...

Page 8: ...nnect it from the connector on the system board Replacing the Bluetooth Card 1 Follow the instructions in Before You Begin 2 Align the connector on the Bluetooth card with the connector on the system board and press the Bluetooth card until it is fully seated WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices...

Page 9: ...e Module Cover 7 Follow the instructions from step 3 to step 4 in Replacing the Optical Drive 8 Follow the instructions from step 4 to step 5 in Replacing the Hard Drive 9 Replace the battery see Replacing the Battery Back to Contents Page CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to th...

Page 10: ...the connector on the camera module 12 Slide and lift the camera module to remove it from the tabs on the display cover 13 Lift the camera module out of the display cover 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 ...

Page 11: ...t 7 Replace the keyboard see Replacing the Keyboard 8 Replace the memory module s see Replacing the Memory Module s 9 Replace the module cover see Replacing the Module Cover 10 Follow the instructions from step 3 to step 4 in Replacing the Optical Drive 11 Follow the instructions from step 4 to step 5 in Replacing the Hard Drive 12 Replace the battery see Replacing the Battery Back to Contents Pag...

Page 12: ...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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION...

Page 13: ...red by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To prevent intermittent contact between the ZIF socket cam screw and the processor module when removing or replacing the processor press to apply slight pressure to the center of the proces...

Page 14: ...processor module to the system board 4 Replace the thermal cooling assembly see Replacing the Thermal Cooling Assembly Back to Contents Page NOTE If a new processor module is installed you will receive a new thermal cooling assembly which will include an affixed thermal pad or you will receive a new thermal pad along with documentation to illustrate proper installation NOTE The pin 1 corner of the...

Page 15: ...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 WARNING If you remove the thermal cooling assembly from the computer when the heat sink is hot do not touch the metal housing of the thermal cooling asse...

Page 16: ...Back to Contents Page ...

Page 17: ...des 10 Disconnect the display cable from the connector on the system board 11 Remove the two screws one on each side that secure the display assembly to the computer base 12 Lift and remove the display assembly out of the computer base WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Reg...

Page 18: ...p 4 in Replacing the Optical Drive 10 Follow the instructions from step 4 to step 5 in Replacing the Hard Drive 11 Replace the battery see Replacing the Battery Display Bezel Removing the Display Bezel 1 Follow the instructions in Before You Begin 2 Remove the display assembly see Removing the Display Assembly 3 Make a note of the Mini Card antenna cables and the display cable routing on the displ...

Page 19: ...Display Assembly 3 Remove the display bezel see Removing the Display Bezel 4 Disconnect the camera cable from the connector on the camera module 5 Remove the six screws that secure the display panel to the display cover 6 Lift the display panel off the display cover 7 Turn the display panel over and place it on a clean surface 8 Lift the tape that secures the display cable to the display board con...

Page 20: ...he tape 5 Align the screw holes on the display panel with the screw holes on the display cover and replace the six screws 6 Connect the camera cable to the connector on the camera module 7 Replace the display bezel see Replacing the Display Bezel 8 Replace the display assembly see Replacing the Display Assembly Back to Contents Page 1 display cable 2 back of the display panel 3 display board conne...

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Page 22: ...ng that is not authorized by Dell is not covered by your warranty CAUTION To prevent data loss turn off your computer see Turning Off Your Computer before removing the hard drive Do not remove the hard drive while the computer is On or in Sleep state CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such...

Page 23: ...lace the two screws that secure the hard drive assembly to the computer base 6 Replace the battery see Replacing the Battery 7 Install the operating system for your computer as needed See Restoring Your Operating System in the Setup Guide 8 Install the drivers and utilities for your computer as needed For more information see the Dell Technology Guide Back to Contents Page 1 hard drive bezel 2 scr...

Page 24: ... 18 in Replacing 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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by De...

Page 25: ...Back to Contents Page ...

Page 26: ...t and pry and lift the keyboard to disengage it from the tabs on the palm rest 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 CAUTION Only a certified service technician should perform repairs on your computer Damage ...

Page 27: ...o the connector on the system board Press down on the connector latch to secure the keyboard cable to the connector on the system board 3 Slide the tabs at the bottom of the keyboard into the slots on the palm rest 4 Gently press around the edges of the keyboard and slide it upwards to secure the keyboard under the tabs on the palm rest 5 Close the display and turn the computer over 6 Replace the ...

Page 28: ... to step 4 in Replacing the Optical Drive 10 Follow the instructions from step 4 to step 5 in Replacing the Hard Drive 11 Replace the battery see Replacing the Battery Back to Contents Page CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 29: ...ide 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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electros...

Page 30: ...d an electrical outlet 6 Turn on the computer As the computer boots it detects the memory module s and automatically updates the system configuration information To confirm the amount of memory installed in the computer Windows Vista Click Start Help and Support Dell System Information Windows 7 Click Start Control Panel System and Security System Back to Contents Page NOTE If the memory module is...

Page 31: ...uld perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Ba...

Page 32: ... I O board 5 Connect the appropriate antenna cables to the Mini Card you are installing The following table provides the antenna cable color scheme for each Mini Card supported by your computer 1 Mini Card 2 securing screw 3 antenna cables 2 CAUTION Use firm and even pressure to slide the card into place If you use excessive force you may damage the connector CAUTION The connectors are keyed to en...

Page 33: ... battery see Replacing the Battery 13 Install the drivers and utilities for your computer as required For more information see the Dell Technology Guide Back to Contents Page Main WLAN white triangle Auxiliary WLAN black triangle white black CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to ...

Page 34: ... 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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid elec...

Page 35: ...he optical drive assembly into the optical drive compartment until it is fully seated 4 Replace the screw that secures the optical drive assembly to the computer base 5 Replace the battery see Replacing the Battery Back to Contents Page CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the c...

Page 36: ... power button cable from the connectors on 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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing th...

Page 37: ...le and the power button cable to the connectors on the system board 5 Replace the keyboard see Replacing the Keyboard 6 Replace the six screws that secure the palm rest to the computer base 7 Replace the memory module s see Replacing the Memory Module s 8 Replace the module cover see Replacing the Module Cover 9 Follow the instructions from step 3 to step 4 in Replacing the Optical Drive 10 Follow...

Page 38: ...ry see Replacing the Battery Back to Contents Page CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 39: ...efully release the power button board cable from the palm rest 12 Lift the power button board off the palm rest 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 CAUTION Only a certified service technician should perform...

Page 40: ...ee Replacing the Keyboard 7 Replace the memory module s see Replacing the Memory Module s 8 Replace the module cover see Replacing the Module Cover 9 Follow the instructions from step 3 to step 4 in Replacing the Optical Drive 10 Follow the instructions from step 4 to step 5 in Replacing the Hard Drive 11 Replace the battery see Replacing the Battery Back to Contents Page CAUTION Before turning on...

Page 41: ...efore 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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION ...

Page 42: ...king 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 CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid ...

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Page 44: ...luetooth Card 11 Disconnect the display cable and the speakers cable from the connectors on the system board 12 Remove the three screws that secure the system board assembly to the computer base 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 c...

Page 45: ...ase 9 Connect the display cable and the speakers cable to the connectors on the system board 10 Replace the Bluetooth card see Replacing the Bluetooth Card 11 Replace the palm rest see Replacing the Palm Rest 12 Replace the keyboard see Replacing the Keyboard 13 Replace the memory module s see Replacing the Memory Module s 14 Replace the module cover see Replacing the Module Cover 15 Follow the in...

Page 46: ...2 Turn on the computer 3 Press F2 during POST to enter the system setup program 4 Navigate to the security tab and enter the service tag in the Set Service Tag field Back to Contents Page ...

Page 47: ...ows Vista start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries 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 March 2010 Rev A00 Bac...