Spontaneous shading on the screen (LCD Mura?)

[Rombik]

After >2 months started getting spontaneous shading suddenly appearing on the screen (LCD Mura?), which goes away after a reboot, only to return shortly thereafter. Looks like a shadow patch. Starts with a column-like shape in the middle (vertically across the entire screen), and then expands to the entire left side of the screen. On the right edge it's semi translucent, but away from the edge screen gets completely opaque, grayed out. 2nd stage: shading expands to the left side obscuring half screenStarts of with a center-screen vertical shade

[The_Fossette]

@Rombik,

Welcome to the HP Forums!

This is a wonderful place to converse with the community, get assistance and find tips.

I reviewed your post and understand that you are facing issues with the display on your computer.

I'll be glad to help you 🙂

In order that I may provide you with an accurate solution, I will need a few more details.

• When was the last time the computer was working fine?
• Have you made any software or hardware changes on the computer?
• Have you performed any troubleshooting steps before posting?

Meanwhile, I recommend you update the bios and the display driver from the below link and check whether that resolves the issue.

http://hp.care/2nikIQ9

If the issue persists follow the steps in the below article and check if it helps

https://hp.care/2oKhS3u

Let me know how it goes. Awaiting your reply!

If the solution provided helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles.

Good day! Take care 🙂

Cheers!

[Rombik]

Not sure how to check my PC's BIOS version?

Ran a check on Display Driver, only to learn I have the latest version.

My PC is less than 2 months old. I purchased it from HP directly. Why would I have an outdated BIOS ?

[The_Fossette]

@Rombik,

Thank you for keeping me posted.

Please follow the below steps to find the bios version.

• Click on Start, choose Run and type in msinfo32. This will bring up the Windows System information dialog box.
• In the System Summary section, you should see an item called BIOS Version/Date. Now you know the current version of your BIOS.

If you have the latest bios then I recommend you follow the steps in the article I have provided in the previous post.

Also, please check whether the issue persists in bios. ( To boot to bios, turn on the computer and keep tapping the F10 key)

Let me know how it goes. Awaiting your reply!

[Rombik]

Thanks for the BIOS tip. Will check once back at that machine. 

As for the articles, none of them really describe my problem. 

[The_Fossette]

@Rombik,

Thank you for keeping me posted.

Take your time and perform the suggested steps.

Please post your results, as I will be looking forward to hearing from you.

Good day!

[Rombik]

Hi, just got in front of my PC.  My BIOS Version is AMI F.03, Dated: 7/11/2017

Seems pretty recent to me.

[Rombik]

Have no idea how to identify «ROM Family SSID» and without it don't know which BIOS Update to download. Suggestions?

[The_Fossette · Accepted solution]

@Rombik,

The latest bios available for your computer is F.12 Rev.A.

You can download and install the bios from the below link.

http://ftp.hp.com/pub/softpaq/sp85501-86000/sp85648.exe

Let me know how it goes. Awaiting your reply!

If the solution provided helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles.

Good day! Take care 🙂

Cheers!

[Rombik]

Hey buddy. I've succesffully downloaded and installed the F.12 Rev.A. BIOS.  Subsequent msinfo32 run now shows  my BIOS Version/Date AMI F.12, 2/22/2018. So far no dark patch occurring. Will keep posted if it comes back. Hopefully, it wont.

Thank you for being so helpful