Question Gigabyte G27Q-AU Displayport disconnecting when PC sleeps.

tilophase

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Mar 22, 2020
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I purchased the Gigabyte G27Q-AU a few months ago. Everything about it is amazing except for this one issue. When my PC goes to sleep, sometimes (not consistently) the monitor seems to disconnect from the PC.

So I press Win+L to lock my PC, leave it for a bit for the screens to turn off, then I move the mouse so that the monitors come back on. At this point, I hear the windows device disconnection sound, then the device connection sound. Then, (After some visual glitching that implies that I had just plugged in a new monitor) all screens turn on. After I log back into my account, all my windows that were on my main display (the G27Q) have moved to other displays.

I'm currently handling this with PersistentWindows, which is a useful program that restores window locations after a monitor disconnection. But I do not want to keep using this. I have to give the program a minute or two to restore everything each time I resume from sleep (since I usually have a ton of windows open), and VSCode messes up this program, so it doesn't work reliably. The time delay is a major issue since I lock my computer quite often.

My PC is a laptop with an NVIDIA GPU, I have a USB C to Displayport adapter that I'm using to connect the monitor to my PC. I can confirm that neither my laptop or the USB C to Displayport adapter is at fault here, I've confirmed that this issue does not happen with a different DP monitor with almost identical specs.

I think the issue doesn't occur with HDMI, but I would prefer not to use HDMI, because I can't use Freesync.

I have seen this issue on a few forum threads, such as here, I think I've tried everything people have mentioned on these threads, such as updating monitor firmware (currently F07, haven't been able to find an update file for higher versions than this), changing monitor settings related to port autodetection, etc.

I'm hesitant to return the monitor since the issue also doesn't happen consistently, so I'm worried that either the seller (or Gigabyte themselves) would just send it back saying it has no issues (and charge me for the shipping). Not to mention that other than this issue, this is the best monitor I've personally used, and I'd rather not go through the hassle of the return.

Any suggestions would be greatly appreciated.
 
I've had random problems with monitors connecting via DP disconnecting, but usually it's if I turn the monitor off so it makes me wonder if that's what this Gigabyte screen is doing upon sleep.

Just for the sake of testing have you turned off the auto power off to see if the problem with the display reconnecting upon wake still happens?

I don't see any other sleep type options for the display so I'm not sure settings wise what else can be done.
 
That's unfortunately the only thing I could think of based off of reading the link you had and the monitor manual. It's got to be something with the screen itself, but it's impossible to say if it's a firmware bug or something actually wrong hardware wise.
 
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