Replacing The System Fan - Lenovo ideacentre All-In-One Y910 Hardware Maintenance Manual

b. Secure the new I/O board to the bracket with four screws.
c. Connect the cables to the I/O board.
d. Secure the rear I/O module to the chassis with three screws.
Step 15. Reattach the stand holder, middle cover, optical drive, hard disk drive, graphic card, rear covers
and stand base.

Replacing the system fan

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 computer screen from scratches
or other damage.
To replace the system fan
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 left and right rear covers. 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 middle cover. Refer to Removing the middle cover.
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Chapter 8 Replacing hardware
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