Blank screen, no beep, no boot

[sas5392]

when I push power bottom, i can hear fans sound , and wifi led is on in red, but caps lock led blinks one short in white 

I didn't find this blink error code in hp blink error code table!

I tried Bios recovery several times, no change

what's the problem? may somebody  help me please

[Nirvana_95]

Hi @sas5392

Welcome to the HP Support Community. Thanks for bringing this to our notice.

I see that you are facing black screen-related issues on your system. Do not worry, we are here to fix it.

May I know from when are you facing this issue?

Did you make any hardware or software-related changes to it?

I would suggest you please use the link below and follow the steps. Once done, let me know the outcome of it: https://support.hp.com/in-en/document/c01997899 

Hope this helps! Keep me posted. 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution. 

Click the “Yes" on the bottom right to say “Thanks” for helping. 

[sas5392]

unfortunately it was useless

[Anand_Andy]

@sas5392,

Thank you for your response, I really appreciate your efforts. As the issue still persists, I'm sending out a private message to assist you with the next course of action. 

Please check your Private message icon on the upper right corner of your HP Community profile Next, to your profile Name, you should see a little blue envelope, please click on it or simply click on this link.

Hope this helps! Keep me posted for further assistance.

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!