Dell OptiPlex 3050 Tower Owners Manual - Page 8

Turning off your computer — Windows 10, After working inside your computer, Turning

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Turning off your computer - Windows 10 CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1 Click or tap . 2 Click or tap and then click or tap Shut down. NOTE: 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. Turning off your computer - Windows 7 CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1 Click Start. 2 Click Shut Down. NOTE: 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. After working inside your computer After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your computer. 1 Connect any telephone or network cables to your computer. CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer. 2 Connect your computer and all attached devices to their electrical outlets. 3 Turn on your computer. 4 If required, verify that the computer works correctly by running ePSA diagnostics. 8 Working on your computer

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Turning
off
your computer — Windows 10
CAUTION:
To avoid losing data, save and close all open
files
and exit all open programs before you turn
off
your computer.
1
Click or tap
.
2
Click or tap
and then click or tap
Shut down
.
NOTE:
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.
Turning
off
your computer — Windows 7
CAUTION:
To avoid losing data, save and close all open
files
and exit all open programs before you turn
off
your computer.
1
Click
Start
.
2
Click
Shut Down
.
NOTE:
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.
After working inside your computer
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your
computer.
1
Connect any telephone or network cables to your computer.
CAUTION:
To connect a network cable,
first
plug the cable into the network device and then plug it into the
computer.
2
Connect your computer and all attached devices to their electrical outlets.
3
Turn on your computer.
4
If required, verify that the computer works correctly by running
ePSA diagnostics
.
8
Working on your computer