Before Working Inside Your Computer, Before You Begin

Before Working Inside Your Computer

CAUTION: To avoid data loss, save and close all open files and exit all open programs before turning off your computer.

1Save and close all open files and exit all open programs.

2Move your mouse pointer to the upper-right or lower-right corner of the screen to open the Charms sidebar and then click Settings→ Power→ Shut down.

NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.

3After the computer shuts down, disconnect it from the electrical outlet.

4Disconnect all cables — such as power and USB cables — from your computer.

5Disconnect all peripherals connected to your computer.

The procedures in this document require the following tools:

•Phillips screwdriver

•Plastic scribe

Before Working Inside Your Computer