Before Working Inside Your Computer | 7Before Working Inside Your ComputerBefore You BeginCAUTION: To avoid data loss, save and close all open files and exit all openprograms 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 systeminstalled on your computer.Windows 8:Point to the lower or upper-right corner of the screen to open the charms sidebarand 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 ofyour 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 ToolsThe procedures in this document require the following tools:• Phillips screwdriver• Torx #5 (T5) screwdriver• Plastic scribe
