Dell D420 - Latitude Notebook Computer, Service Manual

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Wireless Switch
Dell™ Latitude™ D420 Service Manual
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 ) and lay it aside.
10. Remove the system board (see System Board ).
11. Use a screw driver or plastic scribe to carefully pry the wireless switch from the wall of the computer base.
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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 computer base 2 wireless switch 3 screw driver