Dell™ Inspiron™ N4110 Service Manual Regulatory model: P20G Regulatory type: P20G001
Notes, Cautions, and Warnings 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. ____________________ Information in this document is subject to change without notice. © 2011 Dell Inc. All rights reserved.
Contents 1 Before You Begin . . . . . . . . . . . . . . . . . . . . 9 Recommended Tools . . . . . . . . . . . . . . . . . . . . 9 Turning Off Your Computer . . . . . . . . . . . . . . . . . Before Working Inside Your Computer 2 3 4 5 Top Cover . 9 . . . . . . . . . 10 . . . . . . . . . . . . . . . . . . . . . . . . 13 Removing the Top Cover . . . . . . . . . . . . . . . . . 13 Replacing the Top Cover . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Optical Drive 6 Memory Module(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the Memory Module(s) . . . . . . . . . . . . Replacing the Memory Module(s) . 7 8 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 27 27 Replacing the Keyboard . . . . . . . . . . . . . . . . . 29 Palm-Rest Assembly Hot-Key Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 Wireless Mini-Card(s) . . . . . . . . . . . . . . . 45 Removing the Mini-Card(s) . . . . . . . . . . . . . . . 45 Replacing the Mini-Card(s) . . . . . . . . . . . . . . . 47 . . . . . . . . . . . . . . . . . . . . . . 49 12 Thermal Fan . Removing the Thermal Fan . . . . . . . . . . . . . . . 49 Replacing the Thermal Fan . . . . . . . . . . . . . . . 50 . . . . . . . . . . . . . . . . . . . . . . . . . . 53 13 Display . Display Assembly . . . . . . . . . . . . . . . . . . . .
Removing the Display Brackets . . . . . . . . . . 62 Replacing the Display Brackets . . . . . . . . . . 63 14 Camera Module . . . . . . . . . . . . . . . . . . . Removing the Camera Module . . . . . . . . . . . . . . 65 Replacing the Camera Module . . . . . . . . . . . . . 66 15 Hinge Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Replacing the Hinge Cover . . . . . . . . . . . . . . . 71 . . . . . . . . . . . . . .
19 Coin-Cell Battery . 87 . . . . . . . . . . . . . . . . . . Removing the Coin-Cell Battery . . . . . . . . . . . . . 87 Replacing the Coin-Cell Battery . . . . . . . . . . . . . 88 20 Thermal Cooling Assembly 89 . . . . . . . . . . . Removing the Thermal Cooling Assembly . . . . . . . 89 Replacing the Thermal Cooling Assembly . . . . . . . 90 . . . . . . . . . . . . . . . . . 91 21 Processor Module . Removing the Processor Module . . . . . . . . . . . .
Replacing the AC-Adapter Connector . 25 Flashing the BIOS 8 Contents . . . . . . . . 102 . . . . . . . . . . . . . . . . .
1 Before You Begin This manual provides procedures for removing and installing components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: • You have performed the steps in "Turning Off Your Computer" on page 9 and "Before Working Inside Your Computer" on page 10. • You have read the safety information that shipped with your computer.
Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety. 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 dell.com/regulatory_compliance.
CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 15) before working inside the computer. 7 Remove the battery (see "Removing the Battery" on page 15). 8 Turn the computer top-side up, open the display, and press the power button to ground the system board.
Before You Begin
2 Top 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 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.
1 2 1 top cover 2 release button Replacing the Top Cover 1 Follow the instructions in "Before You Begin" on page 9. NOTE: Ensure that the Dell logo is facing towards the back of the computer while replacing the top cover. 2 Align the top cover to the display back cover. 3 Slide the top cover until it clicks into place. Ensure that there are no gaps between the top cover and display back cover.
3 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 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.
3 2 1 1 battery release latch 2 3 battery lock latch battery Replacing the Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the battery into the battery bay until it clicks into place. 3 Slide the battery lock latch to the lock position.
4 Module 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 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.
1 2 3 1 captive screw 3 tabs (2) 2 module cover Replacing the Module Cover 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the tabs on the module cover with the slots on the computer base and gently snap the cover in place. 3 Tighten the captive screw that secures the module cover to the computer base. 4 Replace the battery (see "Replacing the Battery" on page 16).
5 Optical Drive 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 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.
2 1 1 optical-drive assembly 2 screw 6 Remove the two screws that secure the optical-drive bracket to the optical drive. 7 Pull the optical-drive bezel to detach it from the optical drive.
4 1 3 2 1 screws (2) 2 optical-drive bracket 3 optical drive 4 optical-drive bezel Replacing the Optical Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the tabs on the optical-drive bezel with the slots on the optical drive and snap the optical-drive bezel into place. 3 Align the screw holes on the optical-drive bracket with the screw holes on the optical drive and replace the two screws.
Optical Drive
6 Memory Module(s) 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 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.
1 3 2 1 memory-module connector 3 memory module 2 securing clips (2) Replacing the Memory Module(s) CAUTION: If you need to install memory modules in two connectors, install a memory module in the connector labeled “DIMM A” before you install a memory module in the connector labeled “DIMM B.” 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the notch in the memory module with the tab in the memory-module connector.
2 1 1 tab 2 notch 4 Replace the module cover (see "Replacing the Module Cover" on page 18). 5 Replace the battery (see "Replacing the Battery" on page 16), or connect the AC adapter to your computer and an electrical outlet. 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. 6 Turn on the computer.
Memory
7 Keyboard 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 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.
1 2 1 plastic scribe 2 keyboard CAUTION: Be extremely careful when removing and handling the keyboard. Failure to do so could result in scratching the display panel. 6 Ease the keyboard up until it clears off the palm rest. 7 Carefully turn the keyboard over and place it on the palm-rest assembly. 8 Lift the connector latch that secures the keyboard cable to the connector on the system board and disconnect the keyboard cable. 9 Lift the keyboard off the computer.
1 2 1 keyboard cable 2 keyboard-cable connector Replacing the Keyboard 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the keyboard cable into 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 on the keyboard into the slots on the palm-rest assembly. 4 Gently press around the edges of the keyboard and slide it upwards to secure the keyboard under the tabs on the palm-rest assembly.
6 Replace the battery (see "Replacing the Battery" on page 16).
8 Palm-Rest 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 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.
7 Remove the five screws on the palm-rest assembly. CAUTION: Pull on the plastic tab on top of the connectors to avoid damaging the connectors. 8 Lift the connector latches and pull the pull-tabs to disconnect the power-button cable, touch-pad cable, and hot-key board cable from the connectors on the system board.
3 2 1 1 touch-pad cable 3 hot-key board cable 2 power-button cable Palm-Rest Assembly 33
CAUTION: Carefully separate the palm rest from the computer base to avoid damage to the palm rest. 9 Using a plastic scribe, carefully pry out the palm-rest assembly along the rear edge and then ease the palm-rest assembly from the computer base. 10 Lift the palm-rest assembly off the computer base. 11 Turn the palm-rest assembly over. 12 Remove the hot-key board (see "Removing the Hot-Key Board" on page 37). 13 Remove the power button board (see "Removing the Power Button Board" on page 41).
Replacing the Palm-Rest Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Replace the power button board (see "Replacing the Power Button Board" on page 42). 3 Replace the hot-key board (see "Replacing the Hot-Key Board" on page 38). 4 Align the tabs on the palm-rest assembly with the slots on the computer base and gently snap the palm-rest assembly in place.
Palm-Rest Assembly
9 Hot-Key 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 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.
1 2 3 1 screw 3 hot-key board cable 2 hot-key board Replacing the Hot-Key Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the slots on the hot-key board with the alignment posts on the palmrest assembly and replace the screw. 3 Route the hot-key board cable through the slot on the palm-rest assembly. 4 Turn the palm-rest assembly over. 5 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 35).
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.
Hot-Key Board
10 Power Button 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 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.
1 2 3 1 screw 2 power button board 3 power-button board cable Replacing the Power Button Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the slots on the power button board with the alignment posts on the palm-rest assembly and replace the screw. 3 Route the power-button board cable through the slot on the palm-rest assembly. 4 Turn the palm-rest assembly over. 5 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 35).
8 Replace the module cover (see "Replacing the Module Cover" on page 18). 9 Replace the battery (see "Removing the Battery" on page 15). 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.
Power Button Board
Wireless Mini-Card(s) 11 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 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.
4 Follow the instructions from step 4 to step 5 in "Removing the Optical Drive" on page 19. 5 Remove the keyboard (see "Removing the Keyboard" on page 27). 6 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly" on page 31). 7 Disconnect the two antenna cables from the Mini-Card(s). 8 Remove the screw that secures the Mini-Card(s) to the system board. 9 Lift the Mini-Card(s) off the computer base.
10 If you are removing the WLAN Mini-Card, detach it from the WLAN Mini-Card bracket. 1 1 Mini-Card bracket 2 2 Mini-Card CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with your computer. Replacing the Mini-Card(s) 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new Mini-Card from its packaging.
5 Press the other end of the Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the system board. 6 Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for the Mini-Cards supported by your computer.
12 Thermal Fan 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 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.
4 3 1 1 screw 2 thermal fan 3 thermal fan connector 4 display cable 2 Replacing the Thermal Fan 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the thermal fan on the computer base and replace the screw. 3 Connect the thermal fan cable to the connector on the system board. 4 Connect the display cable to the connector on the system board. 5 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 35).
6 Replace the keyboard (see "Replacing the Keyboard" on page 29). 7 Replace the battery (see "Replacing the Battery" on page 16). 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.
Thermal Fan
Display 13 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 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.
6 Remove the keyboard (see "Removing the Keyboard" on page 27). 7 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly" on page 31). 8 Loosen the display cable grounding screw. 9 Disconnect the display cable from the connector on the system board. 10 Disconnect the Mini-Card antenna cables from the connectors on the Mini-Card(s) (see "Removing the Mini-Card(s)" on page 45).
1 2 1 display cable grounding screw 3 Mini-Card antenna cables (4) 3 2 display-cable connector 11 Remove the four screws that secure the display assembly to the computer base. 12 Lift the display assembly off the computer base.
1 2 1 display assembly 2 screws (4) Replacing the Display Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display assembly in position and replace the four screws that secure the display assembly to the computer base. 3 Route the display cable and Mini-Card antenna cables through the routing guides. 4 Connect the display cable to the connector on the system board. 5 Connect the Mini-Card antenna cables to the Mini-Cards(s) (see "Replacing the Mini-Card(s)" on page 47).
7 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 35). 8 Replace the keyboard (see "Replacing the Keyboard" on page 29). 9 Replace the two screws at the bottom of the computer. 10 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" on page 21. 11 Replace the module cover (see "Replacing the Module Cover" on page 18). 12 Replace the battery (see "Replacing the Battery" on page 16).
1 1 display bezel Replacing the Display Bezel 1 Follow the instructions in "Before You Begin" on page 9. 2 Realign the display bezel over the display panel and gently snap it into place. 3 Replace the display assembly (see "Replacing the Display Assembly" on page 56). 4 Replace the top cover (see "Replacing the Top Cover" on page 14). Display Panel Removing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9.
2 Remove the display assembly (see "Removing the Display Assembly" on page 53). 3 Remove the display bezel (see "Removing the Display Bezel" on page 57). 4 Remove the six screws that secure the display panel to the display cover. 5 Note the routing of the display cable and Mini-Card(s) cables and remove the cables from the routing guides on the display cover. 6 Lift the display panel off the display cover.
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. Display Cable Removing the Display Cable 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly (see "Removing the Display Assembly" on page 53). 3 Remove the display bezel (see "Removing the Display Bezel" on page 57). 4 Remove the display panel (see "Removing the Display Panel" on page 58).
Replacing the Display Cable 1 Follow the instructions in "Before You Begin" on page 9. 2 Connect the display cable to the connector on the display panel and secure it with the tape. 3 Turn the display panel over and place it on the display cover. 4 Replace the display panel (see "Replacing the Display Panel" on page 59). 5 Replace the display bezel (see "Replacing the Display Bezel" on page 58). 6 Replace the display assembly (see "Replacing the Display Assembly" on page 56).
1 1 display hinges (2) 2 2 hinge caps (2) Replacing the Hinge Caps 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the tabs on the hinge caps with the slots on the display panel brackets and snap them into place. 3 Turn the display panel over and place it on the display cover. 4 Replace the six screws that secure the display panel to the display cover. 5 Replace the display bezel (see "Replacing the Display Bezel" on page 58).
3 Remove the display bezel (see "Removing the Display Bezel" on page 57). 4 Remove the hinge caps (see "Removing the Hinge Caps" on page 61). 5 Remove the four screws (two on each side) that secure the display panel brackets to the display panel. 1 2 1 display panel brackets (2) 2 screws (4) Replacing the Display Panel Brackets 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the screw holes on the display panel vbbrackets with the screw holes on the display panel.
6 Replace the display assembly (see "Replacing the Display Assembly" on page 56). 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.
14 Camera Module 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 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.
12 Remove the camera module. 4 1 1 tape 2 camera cable 3 camera module 4 plastic scribe 2 3 Replacing the Camera Module 1 Follow the instructions in "Before You Begin" on page 9. 2 Connect the camera cable to the connector on the camera module. 3 Adhere the tape that secures the camera cable to the camera module. 4 Align the slots on the camera module with the alignment posts on the display cover. 5 Replace the display bezel (see "Replacing the Display Bezel" on page 58).
7 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 35). 8 Replace the keyboard (see "Replacing the Keyboard" on page 29). 9 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" on page 21. 10 Replace the module cover (see "Replacing the Module Cover" on page 18). 11 Replace the battery (see "Replacing the Battery" on page 16). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
Camera Module
15 Hinge 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 dell.com/regulatory_compliance. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface. CAUTION: Only a certified service technician should perform repairs on your computer.
9 Release the two tabs that secure the hinge cover to the computer base. 1 1 tabs (2) 10 Lift the hinge cover off the computer base.
1 1 hinge cover Replacing the Hinge Cover 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the two tabs on the hinge cover with the slots on the computer base and snap the hinge cover into place. 3 Replace the two screws at the bottom of the computer. 4 Replace the display assembly (see "Replacing the Display Assembly" on page 56). 5 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 35). 6 Replace the keyboard (see "Replacing the Keyboard" on page 29).
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.
16 VGA Connector 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 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.
2 1 1 screw 2 display cable Replacing the VGA Connector Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the connector on the VGA connector board with the slot on the computer base. 3 Connect the display cable to the connector on the system board. 4 Replace the screw that secures the VGA connector board to the computer base. 5 Replace the hinge cover (see "Replacing the Hinge Cover" on page 71). 6 Replace the display assembly (see "Replacing the Display Assembly" on page 56).
9 Replace the battery (see "Replacing the Battery" on page 16). 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.
VGA Connector Board
17 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 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.
1 1 AC-adapter connector cable 8 Remove the keyboard (see "Removing the Keyboard" on page 27). 9 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly" on page 31). 10 Remove the thermal fan (see "Removing the Thermal Fan" on page 49). 11 Loosen the display cable grounding screw. 12 Disconnect the display cable and speakers cable from the connectors on the system board. 13 Remove the five screws that secure the system board to the computer base.
1 2 3 1 display cable connector 3 speakers cable connector 2 display cable grounding screw 14 Lift the system board assembly to disconnect the connector on the system board from the connector on the I/O board.
1 1 system board 15 Turn the system board over. 16 Remove the coin-cell battery (see "Removing the Coin-Cell Battery" on page 87). 17 Follow the instructions from step 3 to step 5 in "Removing the Hard-Drive Assembly" on page 95. 18 Remove the thermal cooling assembly (see "Removing the Thermal Cooling Assembly" on page 89. 19 Remove the processor module (see "Removing the Processor Module" on page 91).
Replacing the System Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Replace the processor module (see "Replacing the Processor Module" on page 92). 3 Replace the thermal cooling assembly (see "Replacing the Thermal Cooling Assembly" on page 90. 4 Follow the instructions from step 5 to step 7 in "Replacing the Hard-Drive Assembly" on page 97. 5 Replace the coin-cell battery (see "Replacing the Coin-Cell Battery" on page 88). 6 Turn the system board over.
20 Replace any cards or blanks removed from the 8-in-1 media card reader. 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. 21 Turn on the computer. NOTE: After you have replaced the system board, enter the computer Service Tag in the BIOS of the replacement system board. 22 Enter the service tag (see "Entering the Service Tag in the BIOS" on page 82).
18 Speakers 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 dell.com/regulatory_compliance. 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).
2 1 1 speakers (2) 2 speakers cable Replacing the Speakers 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the speakers on the computer base and route the speakers cable through the routing guides. 3 Follow the instructions from step 7 to step 20 in "Replacing the System Board" on page 81.
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.
Speakers
19 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 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.
1 2 1 plastic scribe 2 coin-cell battery Replacing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Hold the coin-cell battery with the positive side up. 3 Slide the coin-cell battery into the slot and gently press until it snaps in place. 4 Follow the instructions from step 6 to step 20 in "Replacing the System Board" on page 81. CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
Thermal Cooling Assembly 20 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 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 assembly. CAUTION: Only a certified service technician should perform repairs on your computer.
1 2 1 thermal cooling assembly 2 captive screws (7) Replacing the Thermal Cooling Assembly NOTE: The original thermal grease can be reused if the original processor and heat sink are reinstalled together. If either the processor or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved. 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the thermal cooling assembly on the system board.
21 Processor Module 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 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.
2 1 1 ZIF socket 2 ZIF-socket cam screw Replacing the Processor Module 1 Follow the instructions in "Before You Begin" on page 9. NOTE: If a new processor 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. 2 Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module.
CAUTION: To avoid damage to the processor, hold the screwdriver perpendicular to the processor when turning the cam screw. 3 Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board. 4 Replace the thermal cooling assembly (see "Replacing the Thermal Cooling Assembly" on page 90). 5 Follow the instructions from step 6 to step 20 in "Replacing the System Board" on page 81.
Processor Module
22 Hard-Drive 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 dell.com/regulatory_compliance. WARNING: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. CAUTION: Only a certified service technician should perform repairs on your computer.
4 Slide the hard-drive assembly in the direction shown in the illustration to disconnect it from the connector on the system board. 5 Lift the hard-drive assembly off the system board. 2 1 1 hard-drive assembly 2 screw 6 Remove the four screws that secure the hard-drive bracket to the hard drive. 7 Lift the hard drive away from the hard-drive bracket.
3 2 1 1 screws (4) 3 hard drive 2 hard-drive bracket Replacing the Hard-Drive Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new hard drive from its packaging. Save the original packaging for storing or shipping the hard drive. 3 Place the hard drive in the hard-drive bracket. 4 Replace the four screws that secure the hard-drive bracket to the hard drive. 5 Place the hard-drive assembly on the system board.
8 Follow the instructions from step 6 to step 20 in "Replacing the System Board" on page 81. 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.
23 I/O 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 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.
1 2 1 screws (2) 2 I/O board Replacing the I/O Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the connectors on the I/O board into the slots on the computer base. 3 Replace the two screws that secure the I/O board to the computer base. 4 Replace the hinge cover (see "Replacing the Hinge Cover" on page 71). 5 Replace the display assembly (see "Replacing the Display Assembly" on page 56). 6 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 47).
AC-Adapter Connector 24 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 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.
1 2 1 screw 2 AC-adapter connector cable Replacing the AC-Adapter Connector 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the AC-adapter connector on the computer base. 3 Replace the screw that secures the AC-adapter connector to the computer base. 4 Route the AC-adapter connector cable through the routing guides. 5 Replace the VGA connector board (see "Replacing the VGA Connector Board" on page 74). 6 Replace the hinge cover (see "Replacing the Hinge Cover" on page 71).
AC-Adapter Connector 103
AC-Adapter Connector
25 Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to support.dell.com/support/downloads. 3 Locate the BIOS update file for your computer: NOTE: The Service Tag for your computer is located on a label at the bottom of your computer. If you have your computer’s Service Tag: a Click Enter a Tag.
8 Double-click the file icon on the desktop and follow the instructions on the screen.
