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Hardware Maintenance Manual
Replacing hardware
General information
Pre-disassembly instructions
Before proceeding with the disassembly procedure, make sure that you
do the following:
1. Turn off the power to the system and all peripherals.
2. Unplug all power and signal cables from the computer.
3. Place the system on a flat, stable surface.
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Attention
Do not remove the computer 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.lenvov.com.
Note
Use only parts provided by Lenovo.
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