Lenovo B520 Lenovo IdeaCentre B520 Hardware Maintenance Manual - Page 34

Replacing a memory module

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Hardware Maintenance Manual 5. Remove the 6 screws that secure the stand to the chassis, and then slide the stand up and out. Replacing a memory module Attention Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 touch screen from scratches or other damage. 32

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Hardware Maintenance Manual
32
5.
Remove the 6 screws that secure the stand to the chassis, and then
slide the stand up and out.
Replacing a memory module
Attention
Turn off the computer and wait 3 to 5 minutes to let the computer
cool down before removing the computer 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 touch screen from
scratches or other damage.