HD4000 Dual screen issue

[GMeth]

I have two DVI/VGA displays, one is running from the DVI port on my mobo and the other is using a HDMI to DVI adapter.

After a small amount of time the right display (HDMI to DVI) starts to discolor. After swapping display it happened to the other display as well so I tried the VGA port on my mobo but the right monitor still discolors. Any idea what could cause this? I understand it may not be my IGPU but it is strange that it is always the right display.

[Kevin_M_Intel · Accepted solution]

Hi garymevs,

Based on your description It seems that the cable or the adapter you are using may be causing the problem.

I recommend you doing the following:

1. Install the latest graphics driver that can be downloaded at the following link:

https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=23405&lang=eng&OSVersion=Windows%207%20(64-bit)*&DownloadType=Drivers https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=23405&lang=eng&OSVersion=Windows%207%20(64-bit)*&DownloadType=Drivers

2. Test a different analog adapter or if possible an active adapter. There may be adapters that due to the quality the performance can be affected.

3. Test a direct connection between your computer and the monitor.

[GMeth]

Hi Kevin,

Sorry about the really late delay.

I think it is something to do with the monitors and not the integrated graphics. Maybe some kind of external interference? But that wouldn't have anything to do with my Intel graphics so I don't expect you to help me any further.

I'm going to mark your answer as the right one as it is the most common steps for troubleshooting.

Thanks for your time.