Lenovo IdeaCentre B520 User Manual download pdf (Page 30)

Hardware Maintenance Manual

Replacing hardware

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.lenovo.com.

Note

Use only parts provided by Lenovo.

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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Lenovo IdeaCentre B520 User Manual Page 30