Lenovo 4285 Personal Computer User Manual


 
This section provides instructions on how to remove the computer cover.
CAUTION:
Turn off the computer and wait three to ve minutes to let the computer cool before removing the
computer cover.
To remove the computer cover, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove any locking device that secures the computer cover, such as an integrated cable lock. See
“Integrated cable lock” on page 53.
4. Press the two cover-release buttons on the computer cover as shown, slide the computer cover toward
the top of the computer, and then lift the computer cover up to remove it from the chassis.
Figure5. Removing the computer cover
Removing or reinstalling the frame stand
Your computer might come with a frame stand or a lift stand. This section provides instructions on how to
remove or reinstall the frame stand. For information about the lift stand, see “Removing or reinstalling the
lift stand” on page 17
.
To remove or reinstall the frame stand, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
16 ThinkCentre User Guide