Lenovo IdeaPad U300e - Manual (Page 99)

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 slot for connection to a wireless LAN/WiMAX. To replace the PCI
Express Mini Card with a new one, read the following prerequisites.
Prerequisites for the procedure
When installing or replacing the card, be sure to follow the precautions.
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.
Replacing the PCI Express Mini Card for wireless LAN/WiMAX connection
1. Enter ThinkPad Setup to stop battery discharge. Refer to “Before replacing CRU” on page 75 for
detailed instruction.
2. Close the computer display, and turn the computer over.
3. Remove the keyboard. For more details, refer to “Replacing the keyboard” on page 78.
4. If a tool for removing connectors is included in the package with the new card, use it to disconnect the
cables from the card. If no such tool is included, disconnect the cables by picking up the connectors
with your fingers and gently unplugging them.
Note: Depending on the system configuration of your computer, the card may have only two connectors.
5. Remove the screw and the card will pop up.
Chapter 6 . Replacing devices 83