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10-05-2018 07:07 PM - edited 10-05-2018 07:09 PM
Welcome to the forum.
I am not a HP employee.
You may have to contact HP (Link) if you are in warranty. Or have a local PC tech take a look if you are not in warranty.
A high pitched sound is not good. Does your PC load the Windows desktop? Can you use Windows?
Does the sound subside after Windows loads successfully?
It is obviously a moving part; fans can do this. You probably have two fans. a system fan and a CPU fan.
One of the fans probably needs replacing.
10-06-2018 04:40 AM - edited 10-06-2018 07:34 AM
I would think your PC is in trouble.
My first response to your problem asked you if you can get to the Windows desktop.
I see redundancy when someone else asks the same question. This may happen when other forum members don't take the time to carefully read previous member responses or have a different agenda unrelated to helping folks solve problems.
Your last response to this question was no.
You have no video.
You can't troubleshoot the PC if you have no video.
You will have to contact HP Support per my previous link if you have an extended warranty or have a local PC tech take a look.
You may have a systemic problem which could require remediation up to replacing the motherboard. Replacing the motherboard is a worst case scenario.
Please understand it is very difficult to diagnose component failure in a forum.
I may be missing something which is easily corrected. I can only offer suggestions to correct the problem based on the detail provided in the problem description.
10-06-2018 09:52 AM
> Posted on 10-05-2018 07:39 PM
> Does the computer correctly load Windows?
> Posted on 10-06-2018 04:07 AM
> Hi no the screen is blank
It is always good for readers to chronologically read through the whole thread, although some responders fail to do so, at their own peril, and to their own embarassment.