Dell Latitude D520 - Manual (Page 63)

6. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.
7. Turn on the computer.
As the computer boots, it detects the additional memory and automatically updates the system configuration information.
To confirm the amount of memory installed in the computer, click the Start button, click Help and Support, and then click Computer Information.
Wireless Cards
If you ordered a WLAN card with your computer, the card is already installed.
Wireless Local Area Network (WLAN) Cards
1. Follow the procedures in Before You Begin .
2. Ground yourself by touching one of the metal connectors on the back of the computer.
3. If a card is not already installed, go to step 4 . 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 tab 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.
NOTICE: To prevent damage to the system board, remove the main battery before you service the computer.
NOTE: If you leave the area, ground yourself again when you return to the computer.
NOTE: Depending on the type of Mini-Card you have, either two or three of the three antenna cables may be in use.
1 antenna cables (2)