Before Working Inside Your Computer; Before You Begin - Dell Inspiron 22 3000 Series Service Manual

Before working inside your
NOTE: The images in this document may differ from your computer depending
on the configuration you ordered.
Topics:
•

Before you begin

• Safety instructions
• Recommended tools
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 or tap Start >
• Windows 8.1: On the Start screen, click or tap the power icon
down.
• Windows 7: Click or tap Start > 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.
Power > Shut down.

Before working inside your computer

computer
> Shut
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