Replacing The Hard Disk Drive - Lenovo IdeaCentre A520 Hardware Maintenance Manual

Step 6. To reattach the base cover:
a. Line up the base cover with the base, slide it back and snap it into position.
b. Place the computer face-down on a soft flat surface, then secure the base cover to the base
with the 7 screws.
c. Return the computer to an upright position.

Replacing the hard disk drive

Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To replace the hard disk drive:
Step 1. Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 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.
Step 4. Remove the base cover. Refer to "Removing the base cover".
Step 5. Remove the 2 screws that secure the hard disk drive to the motherboard.
Step 6. Disconnect the data and power cables from the hard disk drive.
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Chapter 8 Replacing hardware
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