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Before Working Inside Your Computer | 7
Before Working Inside Your Computer
Before You Begin
CAUTION: To avoid data loss, save and close all open files and exit all open
programs before turning off your computer.
1 Save and close all open files, exit all open programs, and turn off your computer.
Microsoft Windows 8: Point to the lower/upper-right corner of the screen to open
the Charms sidebar and click Settings→ Power→ Shut down.
NOTE: If you use 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, including media cards, connected to your computer.
Recommended Tools
The procedures in this document require the following tools:
• Phillips screwdriver
• Torx #5 (T5) screwdriver
• Plastic scribe