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  Is my monitor dying? 
 
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Brandon DeCoppel Jun 23, 2007, 05:27pm EDT Reply - Quote - Report Abuse
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Ok so I have this 17Inch LCD Flatron LG monitor, and when I turn it on it will be sort of fuzzy/blurry for a few seconds after I do so... sometimes it also just happens randomly, is it dying or maybe is it my GFX card?


Lovin' Windows 7
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CrAsHnBuRnXp Jun 23, 2007, 07:04pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
Does the monitor do it on another system?

Brandon DeCoppel Jun 23, 2007, 07:07pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
I don't have another system to test it on... it seemed to happen a bit more when I was playing ET quake Wars, so it might be my GFX card... but I really don't want to buy a new GFX card and have it be my monitor ><

Lovin' Windows 7
john albrich Jun 23, 2007, 09:22pm EDT Reply - Quote - Report Abuse
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Edited: Jun 23, 2007, 09:25pm EDT

 
>> Re: Is my monitor dying?
Are you attached via an analog or digital interface?

The direction I'm going is that the signal amplifiers on either the graphics card or the monitor might be destabilizing due to age or temperature. The analog subsystem tends to be more susceptible to such symptoms.

If you can either try changing the interface (from analog to digital or vice-versa) or if you have a native-mobo graphics output, then give those a try and see if it continues.

You might also try changing refresh rates and resolutions just to see if that makes any difference in the symptoms as well.


edit to remove cold start comment. That's what I get for taking a phone call mid-post...another comment gets slipped in (the failures during gaming info)

john albrich Jun 23, 2007, 09:31pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
If your display has an on screen menu system, which it likely does, you might also try disconnecting the display from your computer and just cycling through the menu options for awhile. If the fuzziness occurs while you're doing that, then it's the display. If it does not occur, the problem could still be either the display or the computer.

Brandon DeCoppel Jun 24, 2007, 10:16am EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
It didn't happen when I disconnected it and turned it on / fiddled with it, however it does seem to be more visual during startup @ windows screen, and it really only happens now at random times.

Lovin' Windows 7
john albrich Jun 24, 2007, 12:13pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
At this point, you really need to isolate to display, cable, or computer by either using a different display, cable, or video source. Perhaps someone has a laptop you can borrow with a compatible display output or a display they'll let you use. I'm unsure how experienced you are, so remember that you don't have to use super parts just to debug the problem. I don't advise moving your computer to someone else's place (to use their display) unless you absolutely have to. Bring the display to the computer. Other problems tend to pop-up when you start physically relocating non-notebook computers.


Two other possible contributors I hadn't mentioned earlier are the cable and the computer power supply.

Your cable may be damaged or poorly shielded, and signals from something else may cause interference. You could try re-routing the cable.

Again, whether you are using analog or digital input makes a big difference here.

And, if for some reason you can't pin it down to the display or the computer, and it gets down tothe point where you're considering replacing the graphics card, try the card in another computer or with a different
PSU in your computer. It's possible your PSU is putting out 'dirty' power at times and that can cause video problems as well. A PSU suitable for debugging will likely be cheaper than a new graphics card. But, PSUs are one place to never go with the cheap brands. See the HWA stick on power supplies.

You can also buy a cheap monitor (can get CRTs for $40...not very good, but enough for debugging) this problem , or a cheap graphics card (again as low as $20 incld shipping...not very good, but good enough for debugging)

You can also get a decent cable for debugging (analog or digital) for under $10. If you're using an adapter on the cable, then you should also try changing or eliminating the adapter in some way.

Display cables, especially digital cables and connectors, can be tricky things to buy. Not all vendors tell you all the details you need to know about the connections. For more on that, see these links before placing your order.
http://www.datapro.net/techinfo.html
http://www.datapro.net/techinfo/dvi_cables.html
http://www.datapro.net/techinfo/dvi_info.html

Where possible, borrow, but some places that have decent quality for decent prices are:
tigerdirect.ca
geeks.com
newegg.com

It never hurts to have a backup/debug cable handy. They can be damaged at the most inconvenient times. Even an adequate 'all-around' digital cable won't set you back more than US$10. For example,
$9.99 DVI-I male to DVI-I male Samsung
http://www.geeks.com/details.asp?invtid=D5067&cat=CBL

Similarly, if you're using a DVI to VGA adapter, they cost under US$10 as well. I've seen stores sell the equivalent quality item for as much as US$60. Ripoff

habs fan Jun 24, 2007, 12:49pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
What resolution are you running at? I believe the native resolution for a 17" is 1024x768. If the fuzziness occurs during boot (XP splash screen), it's probably just because XP runs at 800x600 during boot.

Adam Kolak Jun 24, 2007, 12:59pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
habs fan said:
What resolution are you running at? I believe the native resolution for a 17" is 1024x768. If the fuzziness occurs during boot (XP splash screen), it's probably just because XP runs at 800x600 during boot.


Actually 1280x1024 for his 17" LCDs.

Adam Kolak
Moderator, Hardware Analysis
adam@hardwareanalysis.com
DFI LP P35-T2RS | Xeon Quad @ 3.2Ghz | 4GB DDR2-1000 | 8800GT 512MB | See Profile
habs fan Jun 24, 2007, 01:41pm EDT Reply - Quote - Report Abuse
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>> Re: Is my monitor dying?
My bad. Thanks for setting me straight Adam. :)


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