Dell 1720 Laptop User Manual


 
Replacing a Mini Card
WLAN Card
1. Insert the WLAN card connector at a 45-degree angle into the system board connector labeled "WLAN".
2. Press the other end of the WLAN card down into the securing tabs until the card clicks into place.
3. Connect the appropriate antenna cables to the WLAN card you are installing:
If the WLAN card has two triangles on the label (white and black), connect the white antenna cable to the connector labeled "main" (white triangle), and
connect the black antenna cable to the connector labeled "aux" (black triangle).
If the WLAN card has three triangles on the label (white, black, and gray), connect the white antenna cable to the white triangle, connect the black
antenna cable to the black triangle, and connect the gray antenna cable to the gray triangle.
4. Secure unused antenna cables in the protective mylar sleeve.
5. Replace the cover and tighten the captive screws.
Mobile Broadband or WWAN Card
1. Insert the WWAN card connector at a 45-degree angle into the system board connector labeled "WWAN".
2. Press the other end of the WWAN card down into the securing tabs until the card clicks into place.
3. Connect the black antenna cable with a gray stripe to the connector labeled "aux" (black triangle) and connect the white antenna cable with a gray
stripe to the connector labeled "main" (white triangle).
4. Secure unused antenna cables in the protective mylar sleeve.
5. Replace the cover and tighten the captive screws.
1
WPAN card
2
metal securing tabs (2)
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.
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 WWAN card, never place cables under the card.