Replacing A Memory Module - Lenovo IdeaCentre B520e Hardware Replacement Manual

4. Slide both cover pieces back into position.

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 scratching or other damage.
1. Remove any media (disks, CDs, or memory cards) from the drives, shut down
the operating system, and turn off the computer and all attached devices.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. Refer to "Left and right view" and "Rear view" for help with locating
the various connectors.
4. Remove the computer cover. Refer to "Removing the computer cover".
Hardware Replacement Guide
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