Dell Alienware 15 R3 Service Manual - Page 11

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. Click Start → 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 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 Close the display and turn the computer over. 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. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the electrical outlet. 11

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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. Click
Start
→
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 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
Close the display and turn the computer over.
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
.
WARNING: Disconnect all power sources before opening the computer
cover or panels. After you finish working inside the computer, replace all
covers, panels, and screws before connecting to the electrical outlet.
11