When Power On from Keyboard or Power On from Cover Buttons is enabled, After Power Loss is changed to
Power On. This means that if the computer loses power, when the power comes back on, the computer
automatically turns on. The computer can then be shut down normally to restore the original power-on
setting.
If you encounter issues
There are several means to diagnose and resolve potential issues. HP provides several proprietary
diagnostics tools but recommends a sequential troubleshooting approach that addresses the most basic root
cause to the more complex. Steps include:
● Visual inspection
● Blink or beep codes
● HP PC Hardware Diagnostics
● HP Support
● System restore
● System recovery
Performing basic troubleshooting
You can nd troubleshooting information in the comprehensive Maintenance and Service Guide (English only)
available under the reference library at http://www.hp.com/support. Select your country and language, select
Product Support & Troubleshooting, enter the model number of the computer, and select Search.
Visual inspection: No boot, no power, no video
If you encounter problems with the computer, monitor, or software, see the following list of general
suggestions before taking further action:
● Check that the computer and monitor are plugged into a working electrical outlet.
● Check to see that the computer is turned on and the power light is on.
● Check to see that the monitor is turned on and the monitor light is on.
● Turn up the brightness and contrast controls of the monitor if the monitor is dim.
● If the system does not boot, press and hold any key. If the system beeps, then the keyboard is operating
correctly.
● Check all cable connections for loose connections or incorrect connections.
● Wake the computer by pressing any key on the keyboard or pressing the power button. If the system
remains in sleep mode, shut down the computer by pressing and holding the power button for at least
four seconds. Then press the power button again to restart the computer. If the system will not shut
down, unplug the power cord, wait a few seconds, and then plug it in again. The computer will restart if
automatic start on power loss is set in Computer Setup. If the computer does not restart, press the
power button.
● Recongure your computer after installing a non-Plug and Play expansion board or other option.
● Be sure that all the needed device drivers have been installed. For example, if you are using a printer,
you need a driver for that printer model.
If you encounter issues 3
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