Lenovo B590 Notebook - Manual (Page 53)

11. Reinstall the battery. See “Replacing the battery” on page 33.
12. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing the PCI Express Mini Card for wireless LAN/WiMAX
connection
Before you start, print these instructions.
Note: Your computer might look different from the illustrations in this topic.
Your computer has a PCI Express Mini Card slot for connection to a wireless LAN/WiMAX. To replace the PCI
Express Mini Card, read the following prerequisites.
Prerequisites for the procedure
DANGER
During electrical storms, do not connect the cable to or disconnect it from the telephone outlet
on the wall.
DANGER
Electric current from power, telephone, and communication cables is hazardous. To avoid shock
hazard, disconnect the cables before opening the cover of this slot.
Attention: Before you start installing a PCI Express Mini Card, touch a metal table or a grounded metal
object. This action reduces any static electricity from your body. The static electricity could damage the card.
To replace the PCI Express Mini Card, do the following:
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait
three to five minutes to let the computer cool.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See “Replacing the battery” on page 33.
4. Remove the screws 1 , and then remove the cover 2 .
2
2
1
1
5. If a tool for removing connectors is included in the package with the new card, use it to disconnect the
cables 3 from the card. If no such tool is included, disconnect the cables by picking up the connectors
with your fingers and gently unplugging them. Then remove the screw 4 and the card pops up.
Chapter 7 . Replacing devices 39