Blue mark on screen

[Kimoss]

I had an HP Omen 17t 4k edition more than a year ago and it worked fine but when I ran it a few days ago i noticed a blue mark on the screen.

I can only notice when on dark backgrounds, It doesn't look as bright as in the attached photo.

I googled the problem and tried a few thing, I used an online tool for flashing the moniter LEDs as a way to repair stuck pixels but it didn't help and then I found someone asking in the HP support and was told to update the bios so I did but this also didn't help.

Another side question that I have, I bought my laptop refubrished on ebay , and when I used the detection tool to download the bios update, it didn't find my laptop so i manually inserted the serial and product numbers but it wasn't found, I had to insert the product name itself to download it.
Are refubrished out of warrrenty products removed from their database?

[Barachiel]

@Kimoss

Thank you for posting on HP Forums, 

Barachiel is at your service. 

I Understand you are in need of support,

And to help you out, I'm sending out a Private message with the required information's,

Good Luck. 🙂