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07-31-2001, 10:27 AM
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#1 |
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Member (3 bit)
Join Date: Jul 2001
Posts: 4
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19" monitor geometry funky
Hi, if someone has any ideas I am stumped.
I have an Asus A7v mobo Agp Asus 6800 Geforce 256 DDR video card 5.XX drivers No PCI conflicts I have an NEC XV15 monitor that looks fine at any resolution. I wanted to upgrade to a 17" flat tube and purchased 4 different monitors: KDS 17" flat (2 different ones) Viewsonic 17" flat Samsung 17" flat All had a curvature at the top and bottom at any res or refresh rate. You could pull in the sides with pin control but not top or bottom. I took the last one back and found a 19" NEC PF950flat tube that looked great geometry wise in the store but has the same problem on my computer. Not as bad as the others but still bowed in at the top and bottom of the image. I have tried all resoulutions and refresh rates and they all have the same geometry. The image just doesnt look strait across the screen. I have tried to reflash my video bios and have the lastest Asus driver for the 6800. My 15" NEC still looks good when I hook it up. Sounds like I have a bad Video card but I would think the problem would show up on the 15" NEC as well?????? Andy |
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07-31-2001, 01:31 PM
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#2 |
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Member (14 bit)
Join Date: Feb 2000
Location: Offenbach/Main (Germany)
Posts: 8,485
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Usually monitors should have geometry adjustments for all sides. Check them once more. Did you try to hook up these monitors on other systems with the same settings ?
Also the monitor model might be set wrong in device manager. I'd try to boot into safe mode, then remove all monitors listened in device manager, reboot, and let Windows detect the currently hooked up monitor. If the correct monitor model is shown up in device manager there shouldn't be a problem anymore. RJ
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07-31-2001, 02:07 PM
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#3 |
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Red-eyed Moderator
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Premium Member
Join Date: Dec 1999
Location: Regina, Saskatchewan, Canada
Posts: 17,576
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OK... a real longshot here as I have only witnessed this once and the conditions sound very similar. You have a 15" monitor that works fine, but you try a 17" or 19" and run into problems. So what's the common factor between the failed monitors, they are all larger. Does this increase in size put the monitor closer to large speakers, electrical wiring (either in the wall or for a desktop light source), flourescent lights or the ballast for the lights?
In the one situation that I witnessed this in was a 15" monitor being replaced with a 19" monitor. The desk had an ovehead flourescent light built into the hutch, and cramming a large monitor in the opening brought the lighting considerably closer creating similar results to yours. I don't know what your situation is, but like I said, it's a long shot. Out of curiosity, try relocating the monitor temporarily to see if it makes a difference.
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-At Ford, quality is job #1, job #2 is making them explode. ~Norm MacDonald, SNL News -Switching to Glide..Balancing in my head..inside of me... taking the glide path instead. |
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07-31-2001, 02:20 PM
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#4 |
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Member (3 bit)
Join Date: Jul 2001
Posts: 4
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The only thing that is close to the monitor is a printer (above) that is usually turned off. I already tried to move it and it didn't help.
I also found out that my Asus motherboard has the I/O voltage set to 3.65v and the standard for video cards is 3.31v. I might try to change this setting to see if it throttles the video card down. Maybe that will help. Maybe the 15" monitor isn't as sensitive to the video card output as the 17" or 19" models. Andy |
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07-31-2001, 02:42 PM
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#5 |
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Member (13 bit)
Join Date: Mar 1999
Posts: 6,791
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Is your 15" monitor a flat monitor? How bad is the bending of the screen? A little bending on flat monitors is normal. I just got a 19" Samsung Aperture Grille monitor that bends a little at the top too. HTH
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07-31-2001, 02:55 PM
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#6 |
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Member (3 bit)
Join Date: Jul 2001
Posts: 4
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My 15" monitor is not a flat tube.
The new ones I've tried are. It isn't curved that bad but very noticeable as it pulls dialogue boxes and other horizontal lines out of strait. Again it seemed to be much better in the store. I had the sales person hook it up by itself and was able to look at the desktop and it was fine. She couldn't (didn't know) what videocard the store comp was running. Still makes me think it's a video card/voltage thing. Can't believe 5 monitors I've gotten are bad. Thanks Andy |
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08-07-2001, 05:13 PM
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#7 |
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Member (7 bit)
Join Date: Dec 2000
Posts: 87
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you havnt mentioned if you have used the monitor adjustment to change the screen geometry
when i bought my 17" the picture was very much as you describe but a bit of tweaking with the monitor controls got me a lovely square display with no curves |
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08-07-2001, 05:36 PM
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#8 |
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Member (3 bit)
Join Date: Jul 2001
Posts: 4
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Yes. I have tried all the geometry controls. There is even corner pull on my monitor.
All of the ajustments are for horizontal control (sides in and out and balance) not vertical. I have a verticle curvature problem. There are no monitors made with verticle (up and down) pincushion or corner adjustment because it is a property of horizontal scan rate and rear tube factory adjustments. I'm trying to find out if it could be my video card and if anyone else has experienced this problem. Thanks Andy |
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08-07-2001, 11:06 PM
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#9 |
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Banned
Join Date: Jul 2000
Location: Bakersfield,CA
Posts: 7,761
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You got a GForce Card. Reset the monitor to it's defaults from the buttons on front of the monitor. Then go to the desktop>Right Click >Properties>Settings>Advanced> and use the NVidia Panels to set up everything> then go back to the monitor controls to set Horizonal and vertical size.
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