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Thread Tools | Display Modes |
#1
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Monitor issue
I just purchased a Samsung T220 monitor and can't get it to work correctly
with my (old) Radeon 9800 Pro card. I installed the latest Catalyst v. 9.3 drivers and Samsung monitor drivers. However, when I set the resolution (in anlog mode) to the Samsung native value of 1680x1050, the desktop image is larger than the monitor and I have to scroll and pan to see it completely. It seems that the image is 1680x1050, but the monitor views only a window of 1024x768 (or 1280x1024?). On top of that, the image is stretched horizontally and unclear. I also tried the Omega drivers, but nothing changed... If I try to use the digital connexion, I get a small switching test window analog/digital, then the monitor switches out. I googled for a solution, and all I found was "it should work", or "mine works without problem", but never a solution, although someone mentioned exactly the same problem. Some people say this resolution is not supported on the 9800, but it appears in the display settings, so I guess, as many others, that it is supported. Is the monitor defective? or the video card? did I made some wrong settings? Please can someone help ? |
#2
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Monitor issue
ElJerid wrote:
I just purchased a Samsung T220 monitor and can't get it to work correctly with my (old) Radeon 9800 Pro card. I installed the latest Catalyst v. 9.3 drivers and Samsung monitor drivers. However, when I set the resolution (in anlog mode) to the Samsung native value of 1680x1050, the desktop image is larger than the monitor and I have to scroll and pan to see it completely. It seems that the image is 1680x1050, but the monitor views only a window of 1024x768 (or 1280x1024?). On top of that, the image is stretched horizontally and unclear. I also tried the Omega drivers, but nothing changed... If I try to use the digital connexion, I get a small switching test window analog/digital, then the monitor switches out. I googled for a solution, and all I found was "it should work", or "mine works without problem", but never a solution, although someone mentioned exactly the same problem. Some people say this resolution is not supported on the 9800, but it appears in the display settings, so I guess, as many others, that it is supported. Is the monitor defective? or the video card? did I made some wrong settings? Please can someone help ? hit the monitor reset button |
#3
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Monitor issue
ElJerid wrote:
I just purchased a Samsung T220 monitor and can't get it to work correctly with my (old) Radeon 9800 Pro card. I installed the latest Catalyst v. 9.3 drivers and Samsung monitor drivers. However, when I set the resolution (in anlog mode) to the Samsung native value of 1680x1050, the desktop image is larger than the monitor and I have to scroll and pan to see it completely. It seems that the image is 1680x1050, but the monitor views only a window of 1024x768 (or 1280x1024?). On top of that, the image is stretched horizontally and unclear. I also tried the Omega drivers, but nothing changed... If I try to use the digital connexion, I get a small switching test window analog/digital, then the monitor switches out. I googled for a solution, and all I found was "it should work", or "mine works without problem", but never a solution, although someone mentioned exactly the same problem. Some people say this resolution is not supported on the 9800, but it appears in the display settings, so I guess, as many others, that it is supported. Is the monitor defective? or the video card? did I made some wrong settings? Please can someone help ? The last time I heard of that happening, it was with a motherboard built-in graphics. The driver provides some kind of "pan within the desktop" mode, where the virtual display is larger than the portion being sent to the monitor. It took a different version of the driver to fix it. One experiment you can try, is running dual monitor mode temporarily. The driver will be less willing to try the "pan" thing, if the extended desktop is constraining things. In terms of utilities, you can try the MonInfo utility. It can display some info about the EDID table coming from the monitor, over the DDC serial interface. http://www.entechtaiwan.com/util/moninfo.shtm If no EDID is visible, or if you are still having problems, you could install the "Display Driver". Normally, people install these, because of the ICM file (color management info). Color management is used by programs like Photoshop, to correct the image on the screen for best results from a color perspective. http://www.samsung.com/ph/consumer/d...HSUV/XT&mode=C http://downloadcenter.samsung.com/co...38453_T220.exe ;================================================= = ; T220.inf 02/06/2008 ver. 3.0HC ; ; Copyright 2008 Samsung Electronics Corporation ; ; This is a Setup information file for Samsung Monitor. ;================================================= = [1680] HKR,,MaxResolution,,"1680,1050" The INF adds a registry entry, that should reinforce the max supported resolution to 1680 by 1050. Maybe that will change the driver/CCC panel behavior. HTH, Paul |
#4
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Monitor issue
On Wed, 3 Jun 2009 00:25:29 +0200, "ElJerid"
wrote: I just purchased a Samsung T220 monitor and can't get it to work correctly with my (old) Radeon 9800 Pro card. I installed the latest Catalyst v. 9.3 drivers and Samsung monitor drivers. However, when I set the resolution (in anlog mode) to the Samsung native value of 1680x1050, the desktop image is larger than the monitor and I have to scroll and pan to see it completely. It seems that the image is 1680x1050, but the monitor views only a window of 1024x768 (or 1280x1024?). On top of that, the image is stretched horizontally and unclear. I also tried the Omega drivers, but nothing changed... If I try to use the digital connexion, I get a small switching test window analog/digital, then the monitor switches out. I googled for a solution, and all I found was "it should work", or "mine works without problem", but never a solution, although someone mentioned exactly the same problem. Some people say this resolution is not supported on the 9800, but it appears in the display settings, so I guess, as many others, that it is supported. Is the monitor defective? or the video card? did I made some wrong settings? Please can someone help ? Since digital is theoretically, and actually visually if you don't have a very good and short analog cable for the comparison, better than analog, you ought to try to get digital to work. When the monitor switches out, check it's menu via the OSD and monitor front or side buttons to see if there is a manual way to switch to digital input. As for analog, do the same, look through the monitor's menus for an Auto (Or Manual) adjustment to see if that helps. Otherwise, try an older, then older still, ATI driver. Sometimes things break that used to work. If all else fails, try the monitor on another system capable of 1680x |
#5
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Monitor issue
I tried Paul's and Kony's recommandations, including testing on another PC.
With the Radeon 9800 Pro, nothing helped: older drivers, latest driver, omega drivers, all gave very low quality images with no native resolution available in analog mode. And in digital mode there was no image at all. On another PC with Geforce 6600GT however, after installing the latest drivers, 1680x1050 resolution became available and the image quality in analog was excellent. But still no image at all in digital: only a small search window switching between analog and digital, later an error message "check video cable" and finally switch of. So I decided to return the monitor to my local reseller where it was tested and the technician noticed that the monitor was defective. I got a new one which works perfectly (analog and digital) with the 6600GT, but with the older 9800 Pro, I can' t set the card to the monitor's native resolution of 1680x1050, so the image is upscaled and of inacceptable quality. Thanks again for your help. |
#6
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Monitor issue
ElJerid wrote:
I tried Paul's and Kony's recommandations, including testing on another PC. With the Radeon 9800 Pro, nothing helped: older drivers, latest driver, omega drivers, all gave very low quality images with no native resolution available in analog mode. And in digital mode there was no image at all. On another PC with Geforce 6600GT however, after installing the latest drivers, 1680x1050 resolution became available and the image quality in analog was excellent. But still no image at all in digital: only a small search window switching between analog and digital, later an error message "check video cable" and finally switch of. So I decided to return the monitor to my local reseller where it was tested and the technician noticed that the monitor was defective. I got a new one which works perfectly (analog and digital) with the 6600GT, but with the older 9800 Pro, I can' t set the card to the monitor's native resolution of 1680x1050, so the image is upscaled and of inacceptable quality. Thanks again for your help. If all else fails with the ATI video card, use PowerStrip. Powerstrip won't solve the problem, if there is an actual problem with the DVI digital compliance to max clock rate (e.g. 165MHz or 1650 Mbit/sec per channel). If the driver is restricting the resolution, because the TMDS transmitter on the GPU cannot do a good job, then PowerStrip shouldn't change that. But if the issue is one of the driver simply missing that resolution value, PowerStrip can fix that. For a long time (since the days I built my own frame buffer, using a CRT5000 series controller), resolution has been fully programmable. PowerStrip may achieve a 1680 x 1050 resolution, when the driver fails to deliver. Horizontal resolution should be programmable to numbers divisible by 8, while vertical should be divisible by 2. 1680 is divisible by 8, so it should be an easy resolution to get, in either analog or digital. http://www.entechtaiwan.com/util/ps.shtm (FAQ page) http://forums.entechtaiwan.com/index.php?board=7.0 PowerStrip works with ATI and Nvidia video cards. If working with things like laptops, the author of that tool finds too many differences between chips, to handle laptops. But for desktop video cards, that tool may be a viable alternative. The trial version gives the same features, as when it is registered. http://forums.entechtaiwan.com/index.php?topic=12.0 Paul |
#7
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Monitor issue
On Fri, 5 Jun 2009 01:24:08 +0200, "ElJerid"
wrote: I tried Paul's and Kony's recommandations, including testing on another PC. With the Radeon 9800 Pro, nothing helped: older drivers, latest driver, omega drivers, all gave very low quality images with no native resolution available in analog mode. And in digital mode there was no image at all. On another PC with Geforce 6600GT however, after installing the latest drivers, 1680x1050 resolution became available and the image quality in analog was excellent. But still no image at all in digital: only a small search window switching between analog and digital, later an error message "check video cable" and finally switch of. So I decided to return the monitor to my local reseller where it was tested and the technician noticed that the monitor was defective. I got a new one which works perfectly (analog and digital) with the 6600GT, but with the older 9800 Pro, I can' t set the card to the monitor's native resolution of 1680x1050, so the image is upscaled and of inacceptable quality. Thanks again for your help. Personally, I hate ATI drivers, feel that nobody should have to jump through hoops for it to work, despite all the ATI shills on the internet, ATI has never (IMO) come close to providing a bare minimum fully functional driver for anything they have ever made. This has been a trend with them, if you want a fix they say buy our next product, we *promise* it'll be fixed. Nevermind support or delivering product specs for owners! Sure, it'lll work a lot of the time, but not all the time. Sometimes I come across ATI loyal owners who say I should do this or that, a special procedure, and I do it, and it still doesn't help, if it were that simple the problem would not have continued. ATI hardware is good, but driver/software wise, you couldn't pay me to deal with that. |
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