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Acer Extensa 4220 - Using System Utilities; Acer Bio-Protection

Acer Extensa 4220
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48 Chapter 3
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 the AC adapter and all power and signal cables from the system.
3. Place the system on a flat, stable surface.
4. Remove the battery pack. See “Removing the Battery Pack” on page 51.
SG_TM4720_4320_Book.book Page 48 Friday, April 20, 2007 11:14 AM

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