Suspend-Switch Sensor Board
Dell™ Latitude™ D420 Service Manual
1.
Follow the instructions in
.
2.
Remove any installed PC Cards from the PC Card slot.
3.
Remove any installed memory modules or Mini PCI cards (see
).
4.
Remove the hard drive (see
).
5.
6.
Remove the keyboard (see
7.
Remove the internal card with Bluetooth
®
wireless technology (see
8.
Remove the display assembly (see
9.
Remove the palm rest (see
).
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.
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 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.