Replacing The Speaker System - Lenovo IdeaCentre A520 Hardware Maintenance Manual

Replacing the speaker system

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To replace the speaker system:
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 hard disk drive. Refer to "Replacing the hard disk drive".
Step 6. Remove the optical drive. Refer to "Replacing the optical drive".
Step 7. Remove the system fan. Refer to "Replacing the system fan".
Step 8. Remove the heat-sink. Refer to "Replacing the heat-sink".
Step 9. Remove all the cables connected to the motherboard.
Step 10. Remove the 4 screws that secure the speakers, then detach the speakers from the chassis and
put them aside.
Step 11. Remove the 7 screws that secure the motherboard to the chassis and slide it out as shown.
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Chapter 8 Replacing hardware
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