Dell Studio 1457, Service Manual

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WWAN Module
Removing the WWAN Module
Replacing the WWAN Module
Removing the WWAN Module
1. Follow the instructions in Before You Begin .
2. Remove the battery (see Removing the Battery ).
3. Remove the base cover (see Removing the Base Cover ).
4. Remove the hard drive (see Removing the Hard Drive ).
5. Remove the Mini-Cards if applicable (see Removing the Mini-Card ).
6. Remove the memory module(s) (see Removing the Memory Module(s) ).
7. Remove the keyboard (see Removing the Keyboard ).
8. Remove the palm rest (see Removing the Palm Rest ).
9. Remove the speaker module (see Removing the Speaker Module ).
10. Remove the optical drive (see Removing the Optical Drive ).
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
.
13. Turn the WWAN module over and disconnect the WWAN module cable from the connector on 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 Removing the Battery ) before working inside the
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.
1 screws (3) 2 WWAN connector