Windows 11 Upgrade Guide
Welcome to HP Forums and thank for the post.
I understand that you are not getting any display and can hear the computer run. Happy to help.
Would it be possible for you to connect the monitor to any other computer and check if the monitor is working fine?
Were there any updates installed recently?
Recommend you to do a hard reset on the computer.
Disconnect the power cord, monitor and any other cables connected to the computer.
Hold down the power button for 30 seconds.
Connect only the power, monitor and the keyboard to the computer (Please use a USB keyboard and connect it to the rear USB slot on the computer)
While holding down Win + B key on the keyboard turn the computer ON.
This should rollback the BIOS on your computer and resolve the issue if the issue was caused due to a BIOS corruption.
For other troubleshooting steps please refer to the below articles.
HP Desktop PCs - Display or Monitor is Blank (Black) after Starting the Computer
HP PCs - Computer Does Not Start (Windows 7)
Keep me posted.
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Chimney_83 I am an HP Employee
thanks to "Chimney_83" for your response
currently do not have another computer to test monitor (laptop does not have capabilty)
did however try the hard reset of bios as you recommeded....this did not solve problem
(30 second power button and window key + B during boot)
still do not have any illumination of Power Button or HDD access indicator at front of unit
If video driver chip or monitor bad...would this inhibit Power Button LED or HDD access LED?
again thanks for help
Thanks for the reply and trying the suggested steps. Looks to be a hardware issue, recommend you contact our phone support for the service options.
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