Lenovo ideacentre c345, 57-311160 [42/61] Replacing the system fan

Step 8. Remove the 11screws (C220 /C225 ) /10 screws (C320/C325) that secure the EMI cover to the

chassis and lift the cover up to remove.

For models C220 and C225 refer to the below illustration.

For model C320/C325 refer to the below illustration.

Replacing the system fan

Note: 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 at 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(C225/C325/C320)

Step 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.

38 Lenovo C2/C3 Hardware Maintenance Manual