Dell OptiPlex 330 Guide De Référence Rapide page 12

Recommended Tools
The procedures in this document may require the following tools:
• Small flat-blade screwdriver
• Small Phillips screwdriver
• Small plastic scribe
Turning Off Your Computer
NOTICE:
To avoid losing data, save and close all open files and exit all open
programs before you turn off your computer.
1 Shut down the operating system:
Save and close all open files and exit all open programs.
a
In the Microsoft
b
Down→ Shut down.
In Microsoft
, in the lower-left corner of the desktop, click the arrow in the
lower-right corner of the Start menu as shown below, and then click
Shut Down.
The computer turns off after the operating system shutdown process is
complete.
2 Ensure that the computer and all attached devices are turned off. If your
computer and attached devices did not automatically turn off when you
shut down your operating system, press and hold the power button for
about 4 seconds to turn them off.
12
Quick Reference Guide
® ®
Windows
®
Windows Vista™, click the Windows Vista Start button
XP operating system, click Start→ Shut