HP Omni 220-1048hk Desktop PC User Manual download pdf (Page 20)

4 Troubleshooting and maintenance

Refer to the documentation provided by the product manufacturer for information about peripheral-specific

problems, such as issues with a printer. The following sections present some issues you might encounter while

installing, starting up, or using your computer and possible solutions.

For more information or for additional troubleshooting options, see

Getting information on page 1.

Computer does not start

Symptom Possible solution

Error message:

Hard disk drive

error.

Contact Support:

www.hp.com/support

Computer will not

turn on or start.

Ensure that the cables connecting the computer to the external power source are plugged

in properly. When the cables connecting the computer to the external power source are

plugged in properly, and the wall outlet is functioning, the green power supply light on the

back of the computer should be on; if it is not, contact Support.

If the display (screen) is blank, the computer might not be properly connected. Plug in the

computer and turn it on.

Test the wall outlet by connecting a different electrical device to it.

Computer seems

to be locked up

and is not

responding.

Use the Windows Task Manager to close any programs not responding, or restart the

computer:

1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously.

2. Tap Start Task Manager.

3. Tap the program that is not responding, and then tap End Task.

If closing programs does not work, restart the computer:

1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously.

2. Tap the Arrow button next to the red Shut Down button, and then tap Restart.

, press and hold the Power button on the computer for 5 or more seconds to turn off

the computer, and then press the Power button to restart the computer.

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HP Omni 220-1048hk Desktop PC User Manual Page 20