Dell 1120 manual Replacing the System Board

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system board	2	screw

AC adapter connector cable

15. If you are replacing the system board, remove the processor fan and heat sink assembly (see Removing the Processor Heat Sink).

Replacing the System Board

1.Follow the instructions in Before You Begin.

2.If removed, replace the processor fan and heat sink assembly (see Replacing the Processor Heat Sink).

3.Connect the AC adapter connector cable to the system board.

4.Align the connectors on the system board with the slots on the computer base, and use the alignment posts on the computer base to correctly place the system board.

5.Replace the screw that secures the system board to the computer base.

6.Replace the coin-cell battery (see Replacing the Coin-Cell Battery).

7.Connect the audio cable to the connectors on the system board and the audio board.

8.Replace the middle cover (see Replacing the Middle Cover).

9.Replace the display assembly (see Replacing the Display Assembly).

10.Replace the Mini-Card(s) (see Replacing the Mini-Card(s)).

11.Replace the palm rest (see Replacing the Palm Rest).

12.Follow the instructions from step 5 to step 7 in Replacing the Hard Drive.

13.Replace the keyboard (see Replacing the Keyboard).

14.Replace the memory module(s) (see Replacing the Memory Module(s)).

15.Replace the battery (see Replacing the Battery).

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. Turn on the computer.

NOTE: After you have replaced the system board, enter the computer's Service Tag into the BIOS of the replacement system board.

17.Enter the service tag:

a. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

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Contents Page AC Adapter Connector Removing the AC Adapter ConnectorReplacing the AC Adapter Connector Removing the Audio Board Audio BoardReplacing the Audio Board Back to Contents Removing the Battery BatteryReplacing the Battery Before You Begin Recommended ToolsTurning Off Your Computer Before Working Inside Your ComputerBack to Contents Flashing the Bios Click Enter a Service TagRemoving the Bluetooth Module Internal Module With Bluetooth Wireless TechnologyReplacing the Bluetooth Module Back to Contents Removing the Camera CameraReplacing the Camera Back to Contents Removing the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents Processor Module Removing the Processor ModuleReplacing the Processor Module Removing the Processor Heat Sink Processor Heat SinkReplacing the Processor Heat Sink Back to Contents Display Assembly DisplayReplacing the Display Assembly Display BezelDisplay Panel Replacing the Display BezelReplacing the Display Panel Display-Panel Brackets Removing the Display-Panel BracketsBack to Contents Hard Drive Removing the Hard DriveReplacing the Hard Drive Middle Cover Removing the Middle CoverReplacing the Middle Cover Removing the Power Button Module Power Button ModuleReplacing the Power Button Module Back to Contents Keyboard Removing the KeyboardReplacing the Keyboard Back to Contents Memory Modules Removing the Memory ModulesReplacing the Memory Modules Back to Contents Wireless Mini-Cards Removing the Mini-CardsConnectors on the Mini-Card Antenna Cable Color Scheme Replacing the Mini-CardsBack to Contents Removing the Optical Drive Optical DriveReplacing the Optical Drive Back to Contents Palm Rest Removing the Palm RestReplacing the Palm Rest Removing the Power Button Board Power Button BoardReplacing the Power Button Board Back to Contents Battery Page Removing the Speakers SpeakersReplacing the Speakers Back to Contents System Board Removing the System BoardReplacing the System Board Back to Contents Back to Contents