Lenovo ideacentre All-In-One Y910 Hardware Maintenance Manual page 54

Step 1. Remove any media 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 Locating connectors,
controls and components to locate the various connectors.
Step 4. Remove the stand base. Refer to Removing the stand base.
Step 5. Remove the rear cover. Refer to Removing the rear covers.
Step 6. Remove the graphic card. Refer to Replacing the graphic card.
Step 7. Remove the hard disk drive. Refer to Replacing the hard disk drive.
Step 8. Remove the optical drive. Refer to Replacing the optical drive.
Step 9. Remove the middle cover. Refer to Removing the middle cover.
Step 10. Remove the stand holder. Refer to Removing the stand holder.
Step 11. Remove the rear I/O module. Refer to Replacing the rear I/O module.
Step 12. Remove the EMI cover. Refer to Removing the EMI cover.
Step 13. Remove the screw on the top right corner of the heat-sink.
Step 14. Loosen the five screws that secure the heat-sink to the motherboard, and then lift up the heat-sink
to remove it.
Attention: Place the heat-sink upside down on a flat surface to prevent thermal grease from contaminating
other components.
Attention: Use an alcohol pad to wipe the thermal grease off the CPU.
Step 15. To install the new heat-sink:
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ideacentre All-In-One Y910 Computer Hardware Maintenance Manual
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