Dell Vostro A90 Service Manual - Page 28

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Dell Vostro A90 Service Manual
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  Power Button Board
Dell™ Vostro™ A90 Service Manual 
  Removing the Power Button Board
  Replacing the Power Button Board
 
CAUTION:
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.
 
NOTICE:
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 the back of the computer).
 Removing the Power Button Board
 
1. Follow the instructions in
Before You
 
2. Remove the module cover (see
 
3. Remove the keyboard (see
 
4. Remove the palm rest (see
 
5. Turn the palm rest over.
 
6. Remove the two screws that secure the power button board to the palm rest.
 
7. Lift the power button board off the palm rest.
1
screw (2)
3
power button cable
 Replacing the Power Button Board
 
1. Insert the power button board into the slot and tighten the two screws.
 
2. Turn the palm rest over.
 
3. Replace the palm rest (see
 
4. Replace the keyboard (see
 
5. Replace the module cover (see
 
Begin.
Removing the Module
Cover).
Removing the
Keyboard).
Removing the Palm
Rest).
2
power button board
 
 
Replacing the Palm
Rest).
Replacing the
Keyboard).
Replacing the Module
Cover).