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Solved Monitor 'out of range'

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Lightning

Lightning

PCHF Member
Dec 3, 2016
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#1
I'm running a nvidia geforce GTX 970 attempting to run 3 monitors.

I had all 3 running no problems for about 15 minutes, then without warning one of the three monitors drops to black with the 'out of range' error.

All 3 monitors were running the exact same desktop sizes and refresh rates, and have all run together previously without issues. The monitors in question are BenQ RL2455 and are currently (or attempting to) run at 1920x1080 at 60hz which is within their capability.

The only difference in set up is that the monitor having issues is plugged in via HDMI, though surely this shouldn't matter?
 
#2
Hello

What OS are you running? What are the 3 monitor models with model numbers please? Are you gaming with this setup? Do you have another HDMI cable/cables?
 
#3
Windows 10, all 3 monitors are BenQ RL2455 monitors and I have various cables around. this particular hdmi was working for weeks recently, just changed from the tv back to multiple monitors
 
#5
Greeting Lightning, It is possible that the monitor is mis-configured. Try this, Access your monitor's OSD and check the settings. Then have a re look at the settings of your video card. Your GTX 970 should support 4 monitors but it makes the setup trickier. Also make sure that your power supply is beefy enough to handle the load. The more monitors you try to run the heavier load on the video card. One more thing, if you have an extra HDMI cable laying around then try that. Stray RF noise in an HDMI cable can cause issues. This happens only in old or cheap HDMI cables because the shielding is broken or insufficient.
 
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#6
vger said:
Thanks..sorry about the repetitive question about the monitors. Are you gaming when this issue happens?
Click to expand...
No problems.
No I'm not gaming, this is just on the desktop.

Lord Chance said:
Greeting Lightning, It is possible that the monitor is mis-configured. Try this, Access your monitor's OSD and check the settings. Then have a re look at the settings of your video card. Your GTX 970 should support 4 monitors but it makes the setup trickier. Also make sure that your power supply is beefy enough to handle the load. The more monitors you try to run the heavier load on the video card. One more thing, if you have an extra HDMI cable laying around then try that. Stray RF noise in an HDMI cable can cause issues. This happens only in old or cheap HDMI cables because the shielding is broken or insufficient.
Click to expand...
You'll have to clarify what you mean by 'Monitors OSD' sorry. Video card is set to 1920*1080 at 60hz for all 3 monitiors.
I just seem to find it odd that it was working for a bit and then randomly stopped for no reason (I hadn't changed Res or refresh rates or anything).
 
#7
Well....
Reluctantly I changed HDMI cables (stubborn), and currently it's working! So I guess I'll monitor it (no pun intended) and hopefully it's a simple as that. Just seems odd as the previous hdmi has been in use for months.

Appreciate the assistance, apologies for wasting time with something i should of done without prompting.
 
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#8
Lightning said:
Well....
Reluctantly I changed HDMI cables (stubborn), and currently it's working! So I guess I'll monitor it (no pun intended) and hopefully it's a simple as that. Just seems odd as the previous hdmi has been in use for months.

Appreciate the assistance, apologies for wasting time with something i should of done without prompting.
Click to expand...
As I mentioned earlier cheap and faulty cables can cause issues. Something as minor as a little corrosion on the cable ends or having unshielded cables close to an HDMI cable that is improperly shielded will cause issues. To clarify my comment on the monitor's OSD. OSD stand for "On Screen Display" and it is the monitors settings menu. Your monitor's user manual will have the details. I am glad you have it working and don't worry about not thinking of swapping cables when troubleshooting. We tend to expect the worst when things go wrong so the simple things slip our minds. It makes us human. ;) Let us know it the issue comes back. We can always take it further. (y)
 
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