Dell 1457, 1458 manual Removing the Wwan Module

Page 46

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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 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.

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

.

1

screws (3)

2

WWAN connector

 

 

 

 

13. Turn the WWAN module over and disconnect the WWAN module cable from the connector on the WWAN module.

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Contents Page Removing the I/O Board BoardReplacing the I/O Board Back to Contents Removing the Battery BatteryReplacing the Battery Turning Off Your Computer Before You BeginRecommended Tools Before Working Inside Your ComputerBack to Contents Flashing the Bios From a CD Flashing the BiosFlashing the Bios From the Hard Drive Back to Contents Removing the Bluetooth Card Internal Module With Bluetooth Wireless TechnologyBluetooth Card Replacing the Bluetooth CardRemoving the Bluetooth Board Bluetooth BoardReplacing the Bluetooth Board Removing the Camera Module Camera ModuleReplacing the Camera Module Back to Contents Removing the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Removing the Base Cover Base CoverReplacing the Base Cover Back to Contents Removing the Processor ProcessorReplacing the Processor Back to Contents Removing the Processor Heat Sink Assembly Processor Heat Sink AssemblyReplacing the Processor Heat Sink Assembly Back to Contents Removing the Display Assembly Display AssemblyDisplay Display Bezel Replacing the Display AssemblyRemoving the Display Bezel Replacing the Display Bezel Display PanelRemoving the Display Panel Display Panel Bracket Replacing the Display PanelRemoving the Display Panel Bracket Replacing the Display Panel BracketHard Drive Removing the Hard DriveReplacing the Hard Drive Back to Contents Keyboard Removing the KeyboardReplacing the Keyboard Back to Contents Removing the Memory Modules MemoryReplacing the Memory Modules Back to Contents Wireless Mini-Cards Removing the Mini-CardReplacing the Mini-Card Wlan 2 or 3 antenna cablesBack to Contents Optical Drive Removing the Optical DriveReplacing the Optical Drive Palm Rest Removing the Palm RestPage Replacing the Palm Rest Removing the Speaker Module Speaker ModuleReplacing the Speaker Module Back to Contents System Board Removing the System BoardReplacing the System Board Entering the Service Tag in the Bios Wwan Module Removing the Wwan ModuleReplacing the Wwan Module
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