Lenovo B520e IdeaCentre B520e Hardware Maintenance Manual (English) - Page 52

Replacing the power supply

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Step 11. Separate the WLAN card from the metal bracket by removing the 2 screws. Step 12. Secure the new WLAN card to the metal bracket with the 2 screws. Step 13. Line the new WLAN card up with the card port and secure it with the screw. Step 14. Connect the antenna cables to the new WLAN card. Step 15. Reattach the TV tuner card bracket, the TV tuner card, rear I/O module. Step 16. Reattach the EMI cover, back deco, the computer cover and computer stand. Replacing the power supply Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage. 46 IdeaCentre B520e Hardware Maintenance Manual

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Step 11. Separate the WLAN card from the metal bracket by removing the 2 screws.
Step 12. Secure the new WLAN card to the metal bracket with the 2 screws.
Step 13. Line the new WLAN card up with the card port and secure it with the screw.
Step 14. Connect the antenna cables to the new WLAN card.
Step 15. Reattach the TV tuner card bracket, the TV tuner card, rear I/O module.
Step 16. Reattach the EMI cover, back deco, the computer cover and computer stand.
Replacing the power supply
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note:
It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches
or other damage.
46
IdeaCentre B520e Hardware Maintenance Manual