Lenovo 23539KU Laptop User Manual


 
5. Reinstall the memory slot cover and tighten the screws.
6. Reinstall the battery. See “Replacing the battery” on page 67.
7. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing a PCI Express Mini Card for wireless LAN/WiMAX connection
This topic provides instructions on replacing a PCI Express Mini Card for wireless LAN/WiMAX connection.
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 a PCI Express Mini Card with two connectors
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait for
three to ve minutes, till the inside of the computer cools.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See “Replacing the battery” on page 67.
78 User Guide