Lenovo E4325 - Manual (Page 46)

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7. Insert a new optical drive, and then reinstall the screw to secure the drive.
8. Reinstall the bottom slot cover, and then reinstall the screws to secure the cover.
9. Reinstall the battery pack. See “Replacing the battery pack” on page 25.
10. 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.
Your computer has a PCI Express Mini Card for connection to a wireless LAN/WiMAX. To replace the PCI
Express Mini Card, read the following prerequisites.
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:
Note: Your computer might have slight variations from the following illustrations.
1. Turn off the computer and 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 pack. See “Replacing the battery pack” on page 25.
32 User Guide