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Suspend-Switch Sensor Board

Dell™ Latitude™ D420 Service Manual

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface.

NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts.

1. Follow the instructions in Before You Begin.
   
   
2. Remove any installed PC Cards from the PC Card slot.
   
   
3. Remove any installed memory modules or Mini PCI cards (see Memory and Mini-Cards).
   
   
4. Remove the hard drive (see Hard Drive).
   
   
5. Remove the hinge cover (see Hinge Cover).
   
   
6. Remove the keyboard (see Keyboard).
   
   
7. Remove the internal card with Bluetooth® wireless technology (see Internal Card With Bluetooth® Wireless Technology).
   
   
8. Remove the display assembly (see Display Assembly).
   
   
9. Remove the palm rest (see Palm Rest).
   
   
10. Disconnect the suspend-switch sensor board connector from the system board.
    
    
11. Remove the M2 x 3-mm screw and lift the suspend-switch sensor board away.
    
    

1

M2 x 3-mm screw

2

suspense-switch sensor board

3

aligning pin

NOTE: When you replace the suspend-switch sensor board, ensure that you align the board with the aligning pin and the screw hole.

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