Dell Studio 1557 - Page 34

Replacing the Mini-Card
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1. Follow the instructions in Before You Begin.
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2. Remove the new Mini-Card from its packaging.
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3. Insert the Mini-Card connector at a 45-degree angle into the appropriate system board connector. For example, the WLAN card connector is labeled
WLAN and so on.
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4. Press the other end of the Mini-Card down into the slot.
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5. Replace the screw that secures the Mini-Card to the system board.
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6. Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for each Mini-
Card supported by your computer.
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7. Secure the unused antenna cables in the protective mylar sleeve.
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8. Replace the base cover (see Replacing the Base Cover).
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9. Slide the battery into the battery bay until it clicks into place.
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10. Install the drivers and utilities for your computer, as required. For more information, see the Dell Technology Guide.
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CAUTION: Install the UWB Mini-Card in the WWAN or WPAN slot. Do not install a UWB Mini-Card in the WLAN card slot. Doing so may cause
damage to your computer.
CAUTION: Use firm and even pressure to slide the card into place. If you use excessive force, you may damage the connector.
Connectors on the Mini-Card
Antenna Cable Color Scheme
WWAN (2 antenna cables)
Main WWAN (white triangle)
Auxiliary WWAN (black triangle)
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white with gray stripe
black with gray stripe
WLAN (2 or 3 antenna cables)
Main WLAN (white triangle)
Auxiliary WLAN (black triangle)
MIMO WLAN (*gray triangle)
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white
black
gray
* The MIMO WLAN is optional and may not be available in all computers.
NOTE: The gray antenna cable may not be available in all computers. The availability of the gray antenna cable in the Mini-Card compartment depends
on the type of display.