Black screen fan running loudly

[MaxdOUT1968]

Screen completely black and fans are running loudly. I have taken apart and cleaned. Still have problem

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[asmita6658]

@MaxdOUT1968

Greetings!

 
Welcome to the HP Support Community. This is a great place to get support, find answers and tips to your technical queries. I have reviewed your post and I understand, the computer is not booting up. 

Appreciate you trying the steps. Don't worry, I'm here to help! To better assist you - Were there any hardware or software changes made?

Possible Reasons - This issue can occur due to various reasons like the operating system, hardware to name a few.

Let’s try these steps -

Step 1 Hard Reset -

1) Shutdown the computer. 
2) Unplug all the Adapter and peripherals connected. 
3) Press and hold down the power button for 15 to 20 seconds. 
4) Plug-in the Adapter. 
5) Try to turn on the computer. 

Step 2 BIOS Restore -

1) Shutdown the computer. 
2) Hold down the Windows and B button together while the computer is still turned off. 
3) Turn on the computer and continue to hold the Windows and B button until a BIOS Recovery screen appears. 
4) Follow on-screen instructions and click on OK

Step 3 System Restore -

1) Shutdown the computer. 
2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears. 
3) Press F11 once for System Recovery. 
4) Choose the Keyboard Layout. 
5) Click on Troubleshoot. 
6) Go to Recovery Manager and click on System Restore. 
7) Choose a Restore point or a Restore date when the computer was working fine. 
8) Click on OK to initialize the System Restore.

Step 4 Test the Hard Drive -

1) Shutdown the computer. 
2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears. 
3) Press F2 once. 
4) Go to Component test. 
5) From the list, run the Hard Drive (extensive) test. 

Let me know how that goes.

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Have a great day ahead 🙂