cerio Posted August 8, 2004 Report Share Posted August 8, 2004 Hi,my monitor has developed an unbearable moiré effect that I can't get rid of. I tried all the monitor's moiré adjustment controls, tried degaussing then tried a different monitor (smaller, different make etc) and found the same effect on it. It makes no difference what resolution or refresh rate the monitor is set to, it's still there but at anything above 60 hertz refresh, it seems worse and all windows seem to vibrate rapidly, though my monitor, a 19 inch Belinea 10 60 75, can run happily at 75 hertz and did, prior to this happening.I changed nothing, moved nothing and have no other electrical equipment near the PC so I have no idea why it changed.I am now using it at 1280 x 1024 resolution (as I usually do) and at 60 hertz, which is always rather flickery and uncomfortable, 75 having been much better, but the moiré is a little less pronounced at this setting, though still clearly there.I have a Geforce3 Ti200 vga card with the latest driver available and the correct .inf file for my particular monitor so I don't know what else to check. Especially as it doesn't 'seem' to be the monitor itself, as it was apparent on the little 15 inch one I tried in its place.I use Win XP pro on my PC.Any suggestions gratefully accepted.Ah, I think I should have put this in the Hardware section of the forum. Sorry. Don't know how to move it now.C. Quote Link to comment Share on other sites More sharing options...
bvw Posted August 8, 2004 Report Share Posted August 8, 2004 Have you, or can you, try another graphics card ? Quote Link to comment Share on other sites More sharing options...
Hurdy Posted August 8, 2004 Report Share Posted August 8, 2004 TroubleshootingTry here - only works with IE. Quote Link to comment Share on other sites More sharing options...
trackrat Posted August 8, 2004 Report Share Posted August 8, 2004 You say you have the latest driver for your graphics card, did you have this problem before you downloaded this driver upgrade?. Quote Link to comment Share on other sites More sharing options...
cerio Posted August 8, 2004 Author Report Share Posted August 8, 2004 Hi.Thanks for the reply.I have an old PCI graphics card I can try... Can't tell you anything about it at the moment but it is in an old 'emergency' PC stored elsewhere, so I can switch it into this machine tomorrow and see what that does.C Quote Link to comment Share on other sites More sharing options...
bvw Posted August 8, 2004 Report Share Posted August 8, 2004 If you're in Bristol I've got an MX 460 you could try :) Quote Link to comment Share on other sites More sharing options...
cerio Posted August 8, 2004 Author Report Share Posted August 8, 2004 Hi.no, didn't have the problem with the older diriver but didn't have it for a long time after installing the latest driver either, it's been installed for weeks.I re-installed the latest one tonight, just in case, then changed it for the nvidia Omega driver from http://www.omegadrivers.net/. None of these things made any differenceThanks.C Quote Link to comment Share on other sites More sharing options...
cerio Posted August 8, 2004 Author Report Share Posted August 8, 2004 Hi,aw, thank you bvw, sadly, I'm in Scotland. Kind offer, though.C Quote Link to comment Share on other sites More sharing options...
cerio Posted August 8, 2004 Author Report Share Posted August 8, 2004 Hi,thanks.I checked that troubleshooting page when I saw the link to it, posted here in a reply.Nothing helpful there, sadly.Nothing about moiréThey say to ensure driver is correct and up to date... it is.For flickering they say...If the image jumps or appears to flicker then the refresh rate is probably too low. Again refer to the graphics card or operating system manual for how to do this. It is possible that you do not have the correct driver installed for your monitor - please download and install the latest version from the Downloads/Driver area.I fairly recently changed the refresh rate to 75 Hertz as 60 flickers and it was fine for a time. Now, if over 60, everything vibrates, the higher the refresh rate, the more it vibrates, although my monitor is capable of 75 hertz at the resolution I use. The higher the refresh rate, the more pronounced the moiré too. When I adjust the Moiré Reduce setting in my monitor's adjustment options, the horizontal moiré reduce makes no difference at all and the Vertical one makes it vibrate like mad, the higher the V moiré reduce, the more it vibrates, so it is set to 0.It's perplexing. It was fine, no obvious reason why things changed at all.C Quote Link to comment Share on other sites More sharing options...
rong Posted August 9, 2004 Report Share Posted August 9, 2004 Have you any thing with magnets near the moniter, TV etc. Quote Link to comment Share on other sites More sharing options...
expertec Posted August 9, 2004 Report Share Posted August 9, 2004 Speakers have magnets too. Quote Link to comment Share on other sites More sharing options...
moon Posted August 9, 2004 Report Share Posted August 9, 2004 I guess you've already tested with a different monitor and checked the voltage on your mains supply ? Quote Link to comment Share on other sites More sharing options...
cerio Posted August 9, 2004 Author Report Share Posted August 9, 2004 Hi,nope, nothing with magnets, TV nowhere near the PC. Nothing new has been put near it at all, no change to anything around the PC. The only thing that changed in the last week or so was that I changed the refresh rate from a flickering 60 Hertz to a comfortable 75 Hertz, which I know my monitor is capable of. It was fine for a week or so, so I doubt that has anything to do with it. It doesn't seem to be the monitor itself anyway as the other monitor I tested on it had the moiré effect too.At the moment I've circumvented the moiré effect by setting my resolution to 1600 x 1200 and a 70 hertz refresh. A hellish resolution. I have had to increase the DPI setting to 125% (120 dpi, rather than the usual 96) as text labels on my PC were way too small. Text in boxes, like the Display Properties one, is very slightly fuzzy but at this setting there seems to be no moiré. This is the only setting that shows none.Webpages, like this one, are awful to view, as the text I'm typing right now is minute and changing the browser font to largest doesn't change that, it only changes how some text in pages is viewed. I must try to find a solution as I really can't bear 1600 x 1200. This 'solution' is far from ideal. I want to go back to my usual setting but the moiré over much of the screen is driving me to distraction.I will try to put in the pci vga card from my old 'emergency' PC this evening to see if it's my current card causing it, but I may not get a chance to until tomorrow as I have to go to my daughter's place to reformat her PC and reinstall everything for her.All other thoughts or suggestions welcome.Thanks all.C. Quote Link to comment Share on other sites More sharing options...
cerio Posted August 9, 2004 Author Report Share Posted August 9, 2004 HiThe only speakers near it are my little PC ones which have always sat to either side of the monitor and causeed no problem. I'll move them and see but I can't imagine it being them when they have caused no problem for the 3 years they have sat there.Yep, tested with another monitor, same moiré on it. Voltage is fine too, no change there.When I set up and tested the other monitor, it was nowhere near the speakers but on the floor and the moiré showed on it too. I keep my PC tower on the floor too and there is nothing near it that could interfere with it either.Thanks for all the suggestions. Keep 'em coming, no matter how obvious they may seem coz, although I've tried all I can think of, I'm overlooking something here and, if I'm very lucky, it is something obvious and easy to deal with. I have to admit, though, that note of optimism is fading fast.C Quote Link to comment Share on other sites More sharing options...
trackrat Posted August 9, 2004 Report Share Posted August 9, 2004 Take a look at this it might help.http://www.necmitsubishi.com/support/css/T...brary/Moire.pdf Quote Link to comment Share on other sites More sharing options...
cerio Posted August 9, 2004 Author Report Share Posted August 9, 2004 aha... that's interesting. Thank you for finding that for me.As I'm pretty sure it's not the monitor, that leaves what that document suggests...'...caused by the vga card's video chip. When cross talk in the video chip occurs, an undesirable signal (noise) is passed from one wire to another, affecting the desirable signal. This prompts the display to project a moiré effect'I'll put in the old pci vga card to check that it is the current Nvidia card at fault but, if it is the current card with the above problem, is this fixable or is a new vga card required?Anyone know?Also, if that is the cause, any idea why this would happen out of the blue?Thanks.Ceri Quote Link to comment Share on other sites More sharing options...
expertec Posted August 9, 2004 Report Share Posted August 9, 2004 If that's the problem, I think you'd need a new video card. Quote Link to comment Share on other sites More sharing options...
Scarecrow Man Posted August 9, 2004 Report Share Posted August 9, 2004 Install the old drivers, the ones that worked, before you do anything drastic. Quote Link to comment Share on other sites More sharing options...
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