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Windows 7: Strange constant flicker on LCD Monitor - help?!

01 Jan 2012   #11
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Is it possible for you to disconnect the PC from the monitor and attach something else (like a DVD player) that would send a video signal to the monitor to determine if the flicker continues? That way you could be sure if the problem is actually in the monitor, or the PC. Even if not, it would be interesting to know if the flicker appears on the black screen without a picture. You could also open the monitor settings so that an image would be on the screen.


My System SpecsSystem Spec
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02 Jan 2012   #12
DeniqueCoelum

Windows 7 Professional x64 SP 1
 
 

Quote   Quote: Originally Posted by A Guy View Post
Do you see the issue on the monitors own internal On Screen Displays (OSD)? The menu for instance. If the monitors own menu displays correctly, then it is a video problem (source). It is unlikely to be bad caps, especially on a one year old monitor. The major cap problem was limited to an older production run (see Capacitor Plague).

In a television, a steady rate horizontal or vertical scrolling would point to a bad ground or video interference due to shielding issues. If you can connect the monitor to another PC, you can quickly determine if it is the monitor or the PC. I believe a horizontal scrolling would be less likely with a monitor failure.

A Guy
I'm not sure! I'll certainly check that. Weirdly (and also mildly annoyingly), I haven't noticed the problem occurring since I started this thread!

Quote   Quote: Originally Posted by bassfisher6522 View Post
Thanks! I'll check that out when I next get the problem, see if it helps!

Quote   Quote: Originally Posted by Heyyou View Post
Just a guess, but when you mentioned playing games, I immediately thought of the video card not being large enough.
My video card details are on my spec, what d'you think of the size? It doesn't just happen when playing games, when the PC is sitting idle with the desktop showing, it can happen then.

I've got a black desktop background set at the moment, so I can spot the problem when it comes back. No sign of it at the moment.
My System SpecsSystem Spec
02 Jan 2012   #13
DeniqueCoelum

Windows 7 Professional x64 SP 1
 
 

Quote   Quote: Originally Posted by seekermeister View Post
Is it possible for you to disconnect the PC from the monitor and attach something else (like a DVD player) that would send a video signal to the monitor to determine if the flicker continues? That way you could be sure if the problem is actually in the monitor, or the PC. Even if not, it would be interesting to know if the flicker appears on the black screen without a picture. You could also open the monitor settings so that an image would be on the screen.
Okay, I'll give that a go and report back!
My System SpecsSystem Spec
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22 Jan 2012   #14
DeniqueCoelum

Windows 7 Professional x64 SP 1
 
 

Okay, here's the latest. The problem went away for a wee whiley, but then it came back. I think I might've got to the bottom of it, however! I was having trouble with my audio (that's another story, involving a 5-speaker surround sound system plugged into one audio socket via a splitter), and I was fiddling about at the back of the PC, then my monitor cable popped out. I had trouble getting it back in again. Then I discovered that the adaptor (SVGA /VGA Adaptor 15 Pin Female to 9 Pin Female - my video card only has the VGA socket) had a bent pin. So I straightened it out and plugged the monitor back in. That got me thinking: might the flicker be caused by a dodgy adaptor?

What d'you guys think? Thanks for all your help so far, by the way!
My System SpecsSystem Spec
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 Strange constant flicker on LCD Monitor - help?!




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