Before Working Inside Your Computer | 9
Before Working Inside Your Computer
Before You Begin
CAUTION: To avoid losing data, save and close all open files and exit all open
programs before you turn off your computer.
1 Save and close all open files, exit all open programs, and turn off your computer.
• Windows 8: Point to the lower or upper-right corner of the screen to open the
Charms sidebar and click Settings→ Power→ Shut down.
• Windows 7: Click Start → Shut down.
NOTE: If you are using a different operating system, see the documentation
of your operating system for shut-down instructions.
2 After the computer shuts down, disconnect it from the electrical outlet.
3 Disconnect all cables — such as power and USB cables — from your computer.
4 Disconnect all peripherals from your computer.
Recommended Tools
The procedures in this document may require the following tools:
• Phillips screwdriver
• Plastic scribe
book.book Page 9 Wednesday, October 2, 2013 3:11 PM
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