Lenovo ThinkPad Edge E330 (English) User Guide - Page 80

Replacing a PCI Express Half Mini Card for wireless WAN connection, Close the computer display

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10. Reinstall the battery. See "Replacing the battery" on page 57. 11. Turn the computer over again. Connect the ac power adapter and all cables. Replacing a PCI Express Half Mini Card for wireless WAN connection Before you start, print these instructions. Prerequisites for replacing or installing the wireless WAN card 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 Half 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 wireless WAN 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 57. 4. Loosen the screws 1 , and then remove the cover 2 . 66 User Guide

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10. Reinstall the battery. See “Replacing the battery” on page 57.
11. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing a PCI Express Half Mini Card for wireless WAN connection
Before you start, print these instructions.
Prerequisites for replacing or installing the wireless WAN card
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 Half 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 wireless WAN 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 57.
4. Loosen the screws
1
, and then remove the cover
2
.
66
User Guide