Dell D420 - Latitude Notebook Computer Manuel d'entretien - Page 26

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  Modem
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
 
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. Remove the hinge cover (see
 
6. Remove the keyboard (see Keyboard).
 
7. Remove the internal card with Bluetooth® wireless technology (see
 
8. Remove the display assembly (see
 
9. Remove the palm rest (see
 
10. Remove the system board (see
 
11. Remove the modem connector from the bottom of the system board and carefully dislodge the modem cable from the metal clips on the system board.
 
12. Remove the M2 x 3-mm modem screw and pull up on the modem pull-tab to remove the modem from its socket on the system board.
1
M2 x 3-mm screw
4
modem connector
To replace the modem, ensure that the modem is properly aligned with the socket and that you route the modem cable correctly under the metal clips on the
system board.
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Begin.
Hard
Drive).
Hinge
Cover).
Display
Assembly).
Palm
Rest) and lay it aside.
System
Board) and turn it upside down.
2
pull-tab
 
 
Memory
and Mini-Cards).
Internal Card With Bluetooth® Wireless
3
modem
 
 
Technology).