Troubleshooting; Computer Does Not Start - HP computer Troubleshooting And Maintenance Manual

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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 Restart the computer.
disk drive error.
1.
2.
3.
4.
Computer will not Ensure that the cables connecting the computer to the external power source are plugged in properly. When the
turn on or start. 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
Press the Ctrl+Alt+Delete keys on the keyboard simultaneously.
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.
If Windows opens, immediately back up all important data to a backup hard disk drive.
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.
ENWW