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Wireless Mini-Card (Inspiron 400 Only)

Dell™ Inspiron™ 300/400 Service Manual

  Removing the Mini-Card

  Replacing the Mini-Card

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: 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.

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).

NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.

If you ordered a wireless Mini-Card with your computer, the card is already installed.

Your computer supports one half Mini-Card slot for Wireless Local Area Network (WLAN).

Removing the Mini-Card

1. Follow the procedures in Before You Begin.
   
   
2. Remove the top cover (see Removing the Top Cover).
   
   
3. Remove the top bracket (see Removing the Top Bracket).
   
   
4. Remove the optical drive (see Removing the Optical Drive).
   
   
5. Remove the drive bay (see Removing the Drive Bay).
   
   
6. Disconnect the antenna cables from the Mini-Card.
   
   
7. Remove the screw that secures the Mini-Card to the system-board connector.
   
   
8. Lift the Mini-Card away from the system-board connector.
   
   

CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging (see "Protecting Against Electrostatic Discharge" in the safety instructions that shipped with your computer).

1	antenna cables (2)	2	Mini-Card
3	system-board connector

1

Mini-Card

2

screw

Replacing the Mini-Card

CAUTION: The connectors are keyed to ensure correct insertion. Use of excessive force may damage the connectors.

CAUTION: To avoid damage to the Mini-Card, ensure that there are no cables or antenna cables under the Mini-Card.

1. Follow the procedures in Before You Begin.
   
   
2. Align the notch on the Mini-Card with the tab in the system-board connector.
   
   
3. Insert the Mini-Card at a 45-degree angle into the system-board connector.
   
   
4. Press the other end of the Mini-Card down. Replace the screw that secures the Mini-Card to the system-board connector.
   
   
5. Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for the Mini-Card supported by your computer.
   
   

Connectors on the Mini-Card	Antenna Cable Color Scheme
WLAN (2 antenna cables) Main WLAN (white triangle) Auxiliary WLAN (black triangle)	white black

6. Replace the drive bay (see Replacing the Drive Bay).
   
   
7. Replace the optical drive (see Replacing the Optical Drive).
   
   
8. Replace the top bracket (see Replacing the Top Bracket).
   
   
9. Replace the top cover (see Replacing the Top Cover).
   
   

CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

10. Connect your computer and all attached devices to electrical outlets, and turn them on.
    
    

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