Recommended Tools; Turning Off Your Computer - Dell OptiPlex 7450 All-In-One Owner's Manual

tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending
any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and
aligned.
NOTE: 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 power source.
CAUTION: Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used
and should be replaced and disposed properly.
NOTE: The color of your computer and certain components may appear differently than shown in this document.

Recommended tools

The procedures in this document require the following tools:
● Small flat blade screwdriver
● Phillips # 1 screwdriver
● Small plastic scribe

Turning off your computer

Turning off your computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your
computer.
1. Turning off your computer (Windows 8.1):
● Using a touch enabled device:
a. Swipe in from the right edge of the screen, opening the Charms menu and select Settings.
b. Select and then select Shut down.
or
a. On the Home screen, touch
● Using a mouse:
a. Point to upper-right corner of the screen and click Settings.
b. Click and then select Shut down.
or
a. On the Home screen, click
2. Turning off your computer (Windows 7):
a. Click Start .
b. Click Shut Down.
or
a. Click Start .
b. Click the arrow in the lower-right corner of the Start menu, and then click Log off.
3. 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 6 seconds to
turn them off.
8 Working on your computer
and then select Shut down.
and then select Shut down.