Lenovo C445, 57315617, 57312695, 57315603, C440, C345, C540 manual Replacing the hard disk drive

6.Push out the latches on both sides of the memory socket to release the

memory module and gently pull the memory module upward to remove it from its socket. All of the memory modules can be removed using the same procedure.

7.To install a memory module:

Align the new memory module with the memory socket, then insert it and push down on the top edge. Make sure the latches lock the memory module in place.

8.Reattach the foot cover and stand base.

Replacing the hard disk drive

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.

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.

2.Unplug all power cords from electrical outlets.

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 views” and “Rear view” for help with locating the various connectors.

34User Guide