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System Board
Dell™ Inspiron™ 1120 Service Manual
Removing the System Board
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 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 Battery) before working inside the computer.
Removing the System Board
1.Follow the instructions in Before You Begin.
2.Remove the battery (see Removing the Battery).
3.Remove the memory module(s) (see Removing the Memory Module(s)).
4.Remove the keyboard (see Removing the Keyboard).
5.Follow the instructions from step 4 to step 6 in Removing the Hard Drive.
6.Remove the palm rest (see Removing the Palm Rest).
7.Remove the
8.Remove the display assembly (see Removing the Display Assembly).
9.Remove the middle cover (see Removing the Middle Cover).
10.Disconnect the audio cable from the connectors on the system board and the audio board.
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system board connector | 2 | audio cable |
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audio board connector |
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11.Remove the
12.Remove the screw that secures the system board to the computer base.
13.Lift the system board up slightly and disconnect the AC adapter connector cable from the system board.
14.Lift the system board completely off the computer base.