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Wireless Local Area Network (WLAN) Card

Dell™ Latitude™ E5400 and E5500 Service Manual

  Removing a WLAN Card

  Replacing a WLAN Card

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance.

Your computer supports a WLAN card. If you ordered a WLAN card with your computer, the card is already installed.

Removing a WLAN Card

1. Follow the procedures in Before Working on Your Computer.
   
   
2. Turn the computer upside down.
   
   
3. Remove the bottom of the base assembly (see Removing the E5400 Bottom of the Base Assembly or Removing the E5500 Bottom of the Base Assembly).
   
   
4. Remove the M2 x 3-mm screw that secures the WLAN card.
   
   
5. Remove the WLAN card out of its system board connector at a 45-degree angle
   
   

.

1	antenna cable	2	system board connector
3	WLAN card	4	M2 x 3-mm screw
5	E5400

1	antenna cable	2	system board connector
3	WLAN card	4	M2 x 3-mm screw
5	E5500

Replacing a WLAN Card

NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card.

NOTICE: To avoid damage to the WLAN card, never place cables under the card.

NOTE: This procedure assumes that you have completed the removal procedure first.

1. Insert the WLAN card connector into the system board connector at a 45-degree angle.
   
   
2. Press the card flat and replace the M2 x 3-mm screw that secures the WLAN card.
   
   
3. Replace the bottom of the base assembly (see Replacing the E5400 Bottom of the Base Assembly or Replacing the E5500 Bottom of the Base Assembly).
   
   
4. Follow the procedures in After Working on Your Computer.
   
   

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