Owner`s manual

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.
2 Follow the instructions to shut down your computer based on the operating system
installed on 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 and click Shut down.
NOTE: If you are using a different operating system, see the documentation of
your operating system for shut-down instructions.
3 After the computer shuts down, disconnect it from the electrical outlet.
4 Disconnect all cables — such as power and USB cables — from your computer.
5 Disconnect all peripherals connected to your computer.
Recommended Tools
The procedures in this document require the following tools:
• Phillips screwdriver
• Torx #5 (T5) screwdriver
• Plastic scribe