Dell Vostro 1450 Manuel d'entretien - Page 46

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Dell Vostro 1450 Manuel d'entretien
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  WWAN Module
  Removing the WWAN Module
  Replacing the WWAN Module
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.
 Removing the WWAN Module
 
1. Follow the instructions in
Before You
 
2. Remove the battery (see
Removing the
 
3. Remove the base cover (see
 
4. Remove the hard drive (see
 
5. Remove the Mini-Cards if applicable (see
 
6. Remove the memory module(s) (see
 
7. Remove the keyboard (see
 
8. Remove the palm rest (see
 
9. Remove the speaker module (see
 
10. Remove the optical drive (see
 
11. Lift the black tab to disconnect the WWAN module cable from the connector on the system board.
 
12. Remove the three screws that secure the WWAN module to the computer base
.
1
screws (3)
 
13. Turn the WWAN module over and disconnect the WWAN module cable from the connector on the WWAN module.
Begin.
Battery).
Removing the Base
Cover).
Removing the Hard
Drive).
Removing the
Mini-Card).
Removing the Memory
Module(s)).
Removing the
Keyboard).
Removing the Palm
Rest).
Removing the Speaker
Module).
Removing the Optical
Drive).
2
WWAN connector
Removing the
Battery) before working inside the