Dell XPS 27 7760 XPS 27 Service Manual - Page 12
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. - Windows 8.1: On the Start screen, click the power icon - Windows 7: Click Start → Shut down. → 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 attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer. 5 Remove any media card and optical disc from your computer, if applicable. 6 After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board. CAUTION: Place the computer on a flat, soft, and clean surface to avoid scratches on the display. 7 Place the computer face down. Safety instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. 12