Dell Vostro 1450 Manuel d'entretien - Page 43

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Dell Vostro 1450 Manuel d'entretien
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  System Board
  Removing the System Board
  Replacing the System Board
  Entering the Service Tag in the BIOS
WARNING:
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.
 
CAUTION:
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 your computer).
 
CAUTION:
To help prevent damage to the system board, remove the main battery (see
computer.
 
CAUTION:
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ 
is not covered by your warranty.
The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the
system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board.
 
CAUTION:
Handle components and cards by their edges, and avoid touching pins and contacts.
 Removing the System Board
 
1. Follow the instructions in
Before You
 
2. Remove any installed cards from the ExpressCard slot or the 8-in-1 Media Card Reader.
 
3. Remove the battery (see
Removing the
 
4. Remove the base cover (see
 
5. Remove the memory modules (see
 
6. Remove the hard drive (see
 
7. Remove any installed Mini-Cards (see
 
8. Disconnect the camera cable from the connector on the system board.
1
camera cable connector
 
9. Remove the keyboard (see
 
10. Remove the palm rest (see
 
11. Remove the speaker module (see
 
12. Remove the optical drive (see
 
Begin.
Battery).
Removing the Base
Cover).
Removing the Memory
Module(s)).
Removing the Hard
Drive).
Removing the
Mini-Card).
Removing the
Keyboard).
Removing the Palm
Rest).
Removing the Speaker
Module).
Removing the Optical
Drive).
Removing the
Battery) before working inside the