Lenovo D400 Desktop IdeaCentre - Manual (Page 38)

33
General information
Pre-disassembly instructions
Before proceeding with the disassembly procedure, make sure that you do the
following:
1. Power-off the home center and all external devices.
2. Unplug all cables and power cords.
3. Place the home center on a flat, stable surface.
Attention
Do not remove the cover or attempt any repair 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.
Replacing hardware