HP Pro SFF 280 G9 Desktop PC User Guide - Page 16

Shutting down (turning off) the computer, Start, Power, Shut down

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Shutting down (turning off) the computer Although you can turn off the computer with the power button, HP recommends that you use the Windows Shut down command. IMPORTANT: Unsaved information is lost when the computer shuts down. Be sure to save your work before shutting down the computer. The Shut down command closes all open programs, including the operating system, and then turns off the display and computer. Shut down the computer under any of the following conditions: ● When you need to access components inside the computer ● When you are connecting an external hardware device that does not connect to a USB or video port or to a headphone or microphone jack ● When the computer will be unused and disconnected from external power for an extended period NOTE: If the computer is in the Sleep state or in Hibernation, first exit Sleep or Hibernation by briefly pressing the power button. 1. Save your work and close all open programs. 2. Select the Start button, select the Power icon, and then select Shut down. If the computer is unresponsive and you cannot use the preceding shutdown procedures, try the following emergency procedures in the sequence provided: ● Press ctrl+alt+delete, select the Power icon, and then select Shut down. ● Press and hold the power button for at least 10 seconds. ● Disconnect the computer from external power. 8 Chapter 2 Getting to know your computer

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Shutting down (turning off) the computer
Although you can turn off the computer with the power button, HP recommends that you use the Windows
Shut down command.
IMPORTANT:
Unsaved information is lost when the computer shuts down. Be sure to save your work before
shutting down the computer.
The Shut down command closes all open programs, including the operating system, and then turns off the
display and computer.
Shut down the computer under any of the following conditions:
●
When you need to access components inside the computer
●
When you are connecting an external hardware device that does not connect to a USB or video port or to a
headphone or microphone jack
●
When the computer will be unused and disconnected from external power for an extended period
NOTE:
If the computer is in the Sleep state or in Hibernation, first exit Sleep or Hibernation by briefly
pressing the power button.
1.
Save your work and close all open programs.
2.
Select the
Start
button, select the
Power
icon, and then select
Shut down
.
If the computer is unresponsive and you cannot use the preceding shutdown procedures, try the following
emergency procedures in the sequence provided:
●
Press
ctrl
+
alt
+
delete
, select the
Power
icon, and then select
Shut down
.
●
Press and hold the power button for at least 10 seconds.
●
Disconnect the computer from external power.
8
Chapter 2
Getting to know your computer