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Turning off HDMI monitor/TV causing issues

post #1 of 4
Thread Starter 
I'm not sure if this issue is actually something that can be avoided, as it sounds like it's just how HDMI works, but thought I'd ask.

So, my setup is 3 monitors in eyefinity and my TV as an extended desktop to the side. The issue is that turning off the TV causes eyefinity to break. Turning the tv back on fixes it, but it's annoying because I don't necessarily want the TV on all the time.
From what I understand, turning off the TV looks like unplugging a monitor to Windows, which is why it changes all the settings because it assumes you have removed one. I'm not sure if there's anything that can be done about this, or if it's just the nature of HDMI?
post #2 of 4
Quote:
Originally Posted by TrustKill View Post

I'm not sure if this issue is actually something that can be avoided, as it sounds like it's just how HDMI works, but thought I'd ask.

So, my setup is 3 monitors in eyefinity and my TV as an extended desktop to the side. The issue is that turning off the TV causes eyefinity to break. Turning the tv back on fixes it, but it's annoying because I don't necessarily want the TV on all the time.
From what I understand, turning off the TV looks like unplugging a monitor to Windows, which is why it changes all the settings because it assumes you have removed one. I'm not sure if there's anything that can be done about this, or if it's just the nature of HDMI?
Are you running off the native HDMI port, or via a DP->HDMI cable?
post #3 of 4
When I manually turn off a monitor that is connected via HDMI or Displayport, the settings got messed up too. With a monitor connected via DVI, the monitor is still connected to Windows even if you turn it off (as you can see in Device Manager). However, turning off a monitor connected via HDMI or Displayport means that the monitor is "unplugged" from Windows.

Whenever I turn off my Displayport monitor (extended desktop), Windows changes what is considered my primary monitor. That causes all of my monitors to blackout for a second as it switches the monitors around.

You could try making different Eyefinity presets in Catalyst Control Center (CCC) for 3-monitor Eyefinity and another preset for 3-monitor Eyefinity plus 1 TV. That way your desktop arrangement will be consistent across your displays whenever you turn off your TV.
Edited by Riou - 3/21/13 at 9:32am
post #4 of 4
Thread Starter 
Yes, it's through DP. One of my eyefinity monitors is also through DP though and it doesn't cause this problem lol.

That's actually exactly what I did, so I now have a preset for both eyefinity and eyefinity+1 and they switch automatically when i turn on/off the TV. I was just hoping I could avoid that because some games I play will crash when resolution is changed, etc. So I'd have to keep restarting them each time I turn on or off the tv, and it's a pain. Guess there's nothing I can do though since it's hdmi
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