HP Omni 120-1200 Troubleshooting & Maintenance Guide - Page 6

Troubleshooting, Computer does not start

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2 Troubleshooting Refer to the documentation provided by the product manufacturer for information about peripheralspecific problems, such as issues with a monitor or a printer. The following tables 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 the Quick Setup Guide that accompanies your computer, or visit http://www.hp.com/support and search for your computer model. Computer does not start Symptom Possible solution Error message: Hard disk drive error. Restart the computer. 1. Press the Ctrl+Alt+Delete keys on the keyboard simultaneously. 2. Click the Arrow button next to the red Shut Down button, and then click Restart. Or, 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. 3. If Windows opens, immediately back up all important data to a backup hard disk drive. 4. Contact Support, whether it was possible or not to start up Windows. Either the hard disk drive or the system board may need to be replaced. 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 (monitor) is blank, the monitor might not be properly connected. Connect the monitor to the computer, plug it in, and turn it on. See Display (monitor) on page 4. Test the wall outlet by connecting a different electrical device to it. 2 Chapter 2 Troubleshooting ENWW

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2
Troubleshooting
Refer to the documentation provided by the product manufacturer for information about peripheral-
specific problems, such as issues with a monitor or a printer. The following tables 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 the Quick Setup Guide that
accompanies your computer, or visit http://www.hp.com/support and search for your computer
model.
Computer does not start
Symptom
Possible solution
Error message: Hard
disk drive error.
Restart the computer.
1.
Press the Ctrl+Alt+Delete keys on the keyboard simultaneously.
2.
Click the
Arrow
button next to the red
Shut Down
button, and then click
Restart
.
Or
, 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.
3.
If Windows opens, immediately back up all important data to a backup hard disk drive.
4.
Contact Support, whether it was possible or not to start up Windows.
Either the hard disk drive or the system board may need to be replaced.
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 (monitor) is blank, the monitor might not be properly connected. Connect the monitor to the computer,
plug it in, and turn it on. See
Display (monitor)
on page
4.
Test the wall outlet by connecting a different electrical device to it.
2
Chapter 2
Troubleshooting
ENWW