Lenovo C225 All-In-One - Manual (Page 36)

Step 5. The mouse can be replaced using the same method.
Replacing the power cord
Attention: 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 touch screen from scratches
or other damage.
To replace the power cord
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.
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. Disconnect the defective power cord from the computer and connect the new power cord to
the same connector.
Removing the speaker cover
Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool before removing the speaker
cover.
To replace the speaker cover:
32 Lenovo C2/C3 Hardware Maintenance Manual