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2nd Monitor going black

C

Cook1

Diamond Member
I've been running this same two monitor setup for about 2 years now with no issues. Tonight when I got home from work I'm finding that my 2nd monitor is going black while my main monitor is just fine. The power on the second monitor is on as indicated by the LCD lights below it and if I turn it off and then back on it works for a few seconds and then goes black again.

I just updated my drivers and restarted my PC and that didn't help. Checked all the cables and everything is secure and how it should be. When I go into the Nvidia Control Panel and under Set up multiple displays option it shows both monitors there.

It was working fine just last night and as I mentioned no issues over the years.

Any thoughts on what's going on and how to resolve it?

**Edit**

On my second monitor below the monitor itself are the menu options lit up, if I hit the 'auto' button the 2nd monitor will display correctly for a few seconds and then go back to black.
 
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What OS are you running and what connections are you using? Do both run off one card?

If you are on 7, have you looked at the screen resolution page? See if it shows both as well, and both as enabled.

So you said the LCD has a light. Is it staying the "I have a signal" light or the "I am sleeping" light.

From your post, it sounds like it could just be a bad cable if the answers to the questions above check out.

If they both use the same cable type, I would just do a cable swap and see what happens.
 
ketchup79 said:
What OS are you running and what connections are you using? Do both run off one card?

If you are on 7, have you looked at the screen resolution page? See if it shows both as well, and both as enabled.

So you said the LCD has a light. Is it staying the "I have a signal" light or the "I am sleeping" light.

From your post, it sounds like it could just be a bad cable if the answers to the questions above check out.

If they both use the same cable type, I would just do a cable swap and see what happens.
Click to expand...
Ketchup. you are fast man.that's what i was going to tell.:biggrin:
 
Could be an inverter transformer that bit the dust. That failure occur in a cheap Element TV I tried and am still trying to service(after replacing the transformer, something else decided to die). I didn't get any picture though, if I recall...
 
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ketchup79 said:
What OS are you running and what connections are you using? Do both run off one card?
Click to expand...
W764, DVI, Yes (although I put a gtx280 along side the gtx570 and tried to run them off different cards, both off the 280 and still the same result).

ketchup79 said:
If you are on 7, have you looked at the screen resolution page? See if it shows both as well, and both as enabled.
Click to expand...

Both running at 1920x1080 which is their native resolution.

ketchup79 said:
So you said the LCD has a light. Is it staying the "I have a signal" light or the "I am sleeping" light.
Click to expand...

At the bottom of the monitor are the controls that are lit up. The monitor isn't in sleep mode or anything.

ketchup79 said:
From your post, it sounds like it could just be a bad cable if the answers to the questions above check out.
Click to expand...

Before I responded I wanted to try that - grabbed both a DVI and a DVI/VGA cable from work today. It looked as if that was the issue but about 4 minutes after hooking up the new cable I'm back to the black screen.

ketchup79 said:
If they both use the same cable type, I would just do a cable swap and see what happens.
Click to expand...

Sadly it's not the cable.
 
Also I wanted to add. When I'm in the nvidia control panel and I change the screen resolution of the 2nd screen (doesn't matter what I change it to) it will work for about 5 seconds then go black again.
 
I was afraid you were going to say that. Torn Mind may have the correct problem here, but inside monitors is not my forte. It does sound like something inside that monitor though.
 
Gah that sucks. Both my monitors are Samsung and the 2nd one that's out is actually newer then the main one.

Guess I'll have to get use to single monitor life for a little wise...feel so weird.

Thanks for all your help.
 
Do you have another desktop or laptop you can hook it to? That is the only other thing I can think of. At least it would rule out a bad monitor. Thank stinks if it is going bad on you though.
 
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