Dell Alienware Steam Machine R2 Service Manual - Page 10
Before working inside your computer, Before You Begin, Safety instructions
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Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before You Begin 1 Save and close all open files and exit all open applications. 2 Shut down your computer. The shut-down instruction varies depending on the operating system installed on your computer. - Windows 10: Click Start → Power → Shut down. - Console Mode: On the Home screen, click Power → Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3 Disconnect your computer and all attached devices from their electrical outlets. 4 Disconnect all cables such as telephone cables, network cables and so on, from your computer. 5 Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer. 6 Remove any media card and optical disc from your computer, if applicable. NOTE: Remove the USB dongle from the bottom USB-port. 7 After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board. Safety instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. 10