Re: Intermittent blank screen – Stretch

[Darac Marjal <mailinglist@darac.org.uk>]

On Fri, Jun 01, 2018 at 11:27:46AM +1200, Mike wrote:
> I have just installed Stretch and and randomly getting a 2 second (or 
> so) blank screen. I can go for quite some time without it happening, 
> or it can happen several times over a few minutes. I can dual boot 
> with Jessie and do not have the problem with that – so I think I can 
> rule out a hardware issue.
>
> I have an Nvidia GTX1050 video card, HDMI output to a Samsung 49" TV, 
> 4K video. There is no other type of input into the TV for me to be 
> able to test.
>
> Here is what I have done
> 1. Installed Stretch (amd64) with XFCE
> 2. apt-get install firmware-linux nvidia-driver nvidia-settings 
> nvidia-xconfig
> 3. run nvidia-xconfig
> 4. turned off screen blanking in power settings
>
> I am quite happy to spend time troubleshooting, but don’t really know 
> where to start. The blanking happens too quickly for me to be able to 
> do anything at the time.
>
> Does anyone have any thoughts?

Are you able to replace the HDMI cable? Intermittent blanking for a 
couple of seconds sounds to me like an interruption in the stream of 
data going to the display, causing the display to reset.

> Thanks
>
> Mike

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