Lenovo H430 Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 43

Replacing hardware - warranty

Page 43 highlights

Replacing hardware 9Chapter 9. Replacing hardware Attention Do not remove the computer cover or attempt any repairs before reading the "Important safety information" in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com Note Use only parts provided by Lenovo. Removing the computer cover Important Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer cover. To remove the computer cover: 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 "Locating connectors on the rear of the computer". 4. Remove the two screws that secure the computer cover at the rear of the chassis. 41

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Chapter 9. Replacing hardware
41
Replacing hardware
9
Attention
Do not remove the computer cover or attempt any repairs before
reading the “Important safety information” in the
Safety and Warranty
Guide
that was included with your computer or in the
Hardware
Maintenance Manual (HMM)
for the computer. To obtain copies of the
Safety and Warranty Guide
or
HMM
, go to the Support Web site at:
Note
Use only parts provided by Lenovo.
Removing the computer cover
Important
Turn off the computer and wait 3 to 5 minutes to let the computer
cool down before removing the computer cover.
To remove the computer cover:
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 “Locating connectors on the rear
of the computer”.
4. Remove the two screws that secure the computer cover at the rear of
the chassis.