Black screen.

[Forever_Young]

Hi, everyone! After last windows update I can’t even start my notebook, it’s always black screen. I can’t start it in safe mode/ I can’t start bios. But the start button is highlighted and fans are working. But when I try to push numlock or caps lock button they are not highlighted.  What should I do? 

[Riddle_Decipher]

@Forever_Young Here's what you need to do, to identify the issue and resolve it accordingly:

• check if it works fine on an alternate/external monitor.
  • If it works fine on an alternate screen, please Perform a hard reset, Attempt a BIOS recovery  and then, Run the System Diagnostics tests.
  • For more steps: click here

P.S: Welcome to HP Community 😉

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[Forever_Young]

Unfortunately It doesn’t work on an alternative monitor. Today I’ll go to HP service. Any way thank you so much for support. After resolving I’ll write what happened with my laptop. Maybe it will help someone. 

[Riddle_Decipher]

@Forever_Young I'm afraid you are right about this being a hardware malfunction with the laptop and I suggest you talk to HP support and discuss your options, follow the below steps to get started:

1) Click on this link - http://www.hp.com/contacthp/

2) Click on Sign-in or select the product using the below step:

3) Enter the serial of your device.

4) Select the country from the drop-down.

5) Click on "Show Options".

Fill the web-form, to populate a case number and phone number for yourself!

Also, if you are having trouble navigating through the above options, it's most likely because the device is out of warranty, if yes? please send me a private message with the region you are contacting us from, 

here's how private messages work: Click here for details.

If you wish to thank me for my efforts, you could click on "Accept as solution" on my post as the solution should help others too.