Lenovo d20 4158 Manual Do Equipamento
Removing the cover
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and
wait three to five minutes to let the computer cool before opening the computer
cover.
wait three to five minutes to let the computer cool before opening the computer
cover.
To remove the computer cover:
1.
1.
Remove any media from the drives and shut down your operating system.
Turn off all attached devices. Turn off the computer.
Turn off all attached devices. Turn off the computer.
2.
Unplug all power cords from electrical outlets.
3.
Disconnect the cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. See “Locating controls and connectors on the front of your
computer” on page 94 and “Rear connectors” on page 95.
input/output (I/O) cables, and any other cables that are connected to the
computer. See “Locating controls and connectors on the front of your
computer” on page 94 and “Rear connectors” on page 95.
4.
Remove any locking devices, such as a cable lock or padlock that secures the
computer cover. Open the keylock if it is in the locked position.
computer cover. Open the keylock if it is in the locked position.
5.
Disengage the cover latch 1 and remove the cover. Place the cover on a flat
surface.
surface.
96
Hardware Maintenance Manual