Dell Precision M4300, Руководство по обслуживанию

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Communications Cards
Dell™ Precision™ M4300 Service Manual
Wireless Cards
Subscriber Identity Module (SIM) Card (optional)
Wireless Cards
If you ordered a wireless LAN or WAN card with your computer, the card is already installed.
Wireless Local Area Network (WLAN) Cards
1. Follow the procedures in Before You Begin .
2. Remove the hinge cover (see Hinge Cover ).
3. Remove the keyboard (see Keyboard ).
4. Ground yourself by touching one of the metal connectors on the back of the computer.
5. If a card is not already installed, go to step 6 . If you are replacing a card, remove the existing card:
a. Disconnect the antenna cables from the card.
b. Release the card by pushing the metal securing brackets away from the card until the card pops up slightly.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTE: If you leave the area, ground yourself again when you return to the computer.
1 antenna cables