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  3. New graphics card = major polygon corruption

New graphics card = major polygon corruption

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helpcsharpgraphics
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  • D Daniel Turini

    Roger Wright wrote: The 3D stuff requires far more bandwidth, and your 4x slot probably can't provide it. This would only drop the framerate, but would not corrupt the image like he's seeing. I see dead pixels Yes, even I am blogging now!

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    Roger Wright
    wrote on last edited by
    #8

    Hmmm. I didn't know that. It sounded a bit like a buffer under-run situation to me, but I don't do games that require high speed graphics. Mah-jong on Yahoo is about as racy as I get. Must be getting old... Hi ho. "If it's Snowbird season, why can't we shoot them?" - Overheard in a bar in Bullhead City

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    • D Daniel Turini

      I never saw this happening without overclocking, but my guesses are: . You should see if the voltage of the AGP slot is the same as of your card . Are you insane? Your mobo has a blown capacitor and you plug your brand new screaming card? . Your card is dead. A rare thing these days, but maybe you bought a defective card. I see dead pixels Yes, even I am blogging now!

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      Mathew Hall
      wrote on last edited by
      #9

      You should see if the voltage of the AGP slot is the same as of your card Even an 8x AGP bus wouldn't supply the card enough power so they included a 4-pin power conector on the card (which is the only thing connected on that cable) Your card is dead. A rare thing these days, but maybe you bought a defective card That was my first thought, but that doesn't explain why it works with DoD Are you insane? :-D "I think I speak on behalf of everyone here when I say huh?" - Buffy

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      • C ColinDavies

        Can you cut back on the hardware acceleration and see if the problem persists? A 5-6 yr old mB is old especially if you have used it a lot. And the capacitor casing is a strong signal. :-) Have a look at the other capacitors and see if any of them look ummm . a bit .. fat and swollen. If so that MB must go. I'm beginning think a lot of hardware problems are from bad connections now. Regardz Colin J Davies The most LinkedIn CPian (that I know of anyhow) :-)

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        Mathew Hall
        wrote on last edited by
        #10

        Can you cut back on the hardware acceleration and see if the problem persists? Already have - it has seperate timings for 2D (300MHz/1000MHz) and 3D (500MHz/1000MHz), so I tried underclocking the 3D timings to a more conservative 300MHz/900MHz and it made no difference :sigh: Have a look at the other capacitors and see if any of them look ummm . a bit .. fat and swollen. If so that MB must go The rest of them are fine - fortunately its out of the way so it won't zap me or anything else. I think its time to go find my Visa and order a new mobo "I think I speak on behalf of everyone here when I say huh?" - Buffy

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        • F Fredrik Skog

          The problem is probably that your KT7 has a VIA KT133 chipset. If updating to the latest VIA chipset drivers did not help, it's probably time to buy a new motherboard. It's seems to be falling apart anyway. ;) What card do you have? How many Watts does your PSU deliver? If the graphics card does not get enough power it will start behaving strange. I think most of the 6600 GT board have the extra power connector. The PSU output that is connected to the graphics card should not be Y-connected to a lot of other stuff. Cheers, Fredrik
          "Felix qui potuit rerum cognoscere causas."

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          Mathew Hall
          wrote on last edited by
          #11

          How many Watts does your PSU deliver? The PSU output that is connected to the graphics card should not be Y-connected to a lot of other stuff. The PSU is a 470W Enermax[^]. The graphics card is the only peripheral connected to that particular power cable it's probably time to buy a new motherboard Yes - I'm off to find my visa... "I think I speak on behalf of everyone here when I say huh?" - Buffy

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          • M Mathew Hall

            I bought a new graphics card (NVidia 6600 GT) a couple of days ago and whenever I try to play any 3D games I get major polygon corruption (see sample images - CS:Source 1[^], 2[^], 3[^], FarCry 1[^], 2[^], and The Punusher 1[^], 2[^]) X| although it seems to work fine with Day of Defeat (see 1[^], 2[^]). Everything is fine with 2D, and Google has been no help whatsoever :sigh: I'm hoping that a new motherboard will fix the problems as a) the current one is quite old (~5-6 yrs) but should be able to handle the new graphics card and more importantly b) I found the casing of one of the capacitors rolling around in the bottom of the case :wtf: I have two other graphics card - a GeForce 2 MX which has no problems, and a GeForce 4 MX440 which occasionally has very minor polygon corruption but sometimes likes adding coloured spots to textures (which is why I decided to upgrade).

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            Judah Gabriel Himango
            wrote on last edited by
            #12

            New cards == new (and buggy) drivers. I'd bet grabbing the latest NVidia drivers will solve your problem. *edit* woops, looks like you have the latest drivers. Are you absolutely sure you have the latest drivers from NVidia (these often won't show up as a download on WindowsUpdate)?

            Tech, life, family, faith: Give me a visit. I'm currently blogging about: He has a funny face. And he's my son. Judah Himango

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            • M Mathew Hall

              I bought a new graphics card (NVidia 6600 GT) a couple of days ago and whenever I try to play any 3D games I get major polygon corruption (see sample images - CS:Source 1[^], 2[^], 3[^], FarCry 1[^], 2[^], and The Punusher 1[^], 2[^]) X| although it seems to work fine with Day of Defeat (see 1[^], 2[^]). Everything is fine with 2D, and Google has been no help whatsoever :sigh: I'm hoping that a new motherboard will fix the problems as a) the current one is quite old (~5-6 yrs) but should be able to handle the new graphics card and more importantly b) I found the casing of one of the capacitors rolling around in the bottom of the case :wtf: I have two other graphics card - a GeForce 2 MX which has no problems, and a GeForce 4 MX440 which occasionally has very minor polygon corruption but sometimes likes adding coloured spots to textures (which is why I decided to upgrade).

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              Matt Newman
              wrote on last edited by
              #13

              Mathew Hall wrote: I found the casing of one of the capacitors rolling around in the bottom of the case Probably your problem but in my experience NVidias drivers have been sucking as of late. Matt Newman
              Even the very best tools in the hands of an idiot will produce something of little or no value. - Chris Meech on Idiots

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              • M Mathew Hall

                I bought a new graphics card (NVidia 6600 GT) a couple of days ago and whenever I try to play any 3D games I get major polygon corruption (see sample images - CS:Source 1[^], 2[^], 3[^], FarCry 1[^], 2[^], and The Punusher 1[^], 2[^]) X| although it seems to work fine with Day of Defeat (see 1[^], 2[^]). Everything is fine with 2D, and Google has been no help whatsoever :sigh: I'm hoping that a new motherboard will fix the problems as a) the current one is quite old (~5-6 yrs) but should be able to handle the new graphics card and more importantly b) I found the casing of one of the capacitors rolling around in the bottom of the case :wtf: I have two other graphics card - a GeForce 2 MX which has no problems, and a GeForce 4 MX440 which occasionally has very minor polygon corruption but sometimes likes adding coloured spots to textures (which is why I decided to upgrade).

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                Lost User
                wrote on last edited by
                #14

                If one electrolytic capacitor has died the others are likely to be close behind it. They contain a salt solution which literally dries out with a combination of time and temperature. Elaine :rose: The tigress is here :-D

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                • M Mathew Hall

                  I bought a new graphics card (NVidia 6600 GT) a couple of days ago and whenever I try to play any 3D games I get major polygon corruption (see sample images - CS:Source 1[^], 2[^], 3[^], FarCry 1[^], 2[^], and The Punusher 1[^], 2[^]) X| although it seems to work fine with Day of Defeat (see 1[^], 2[^]). Everything is fine with 2D, and Google has been no help whatsoever :sigh: I'm hoping that a new motherboard will fix the problems as a) the current one is quite old (~5-6 yrs) but should be able to handle the new graphics card and more importantly b) I found the casing of one of the capacitors rolling around in the bottom of the case :wtf: I have two other graphics card - a GeForce 2 MX which has no problems, and a GeForce 4 MX440 which occasionally has very minor polygon corruption but sometimes likes adding coloured spots to textures (which is why I decided to upgrade).

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                  Brit
                  wrote on last edited by
                  #15

                  Had similar problems with my Radeon card when I first got it. I went to their website, got the latest video card drivers, now it works fine. ----------------------------------------------------- Empires Of Steel[^]

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                  • F Fredrik Skog

                    AGP cards and slots have a keying mechanism that prevents inserting cards into an incompatible slot. The K7T supports AGP 4x and the 6600 is 8x (and supports 4x), which is compatible. Cheers, Fredrik
                    "Felix qui potuit rerum cognoscere causas."

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                    J Dunlap
                    wrote on last edited by
                    #16

                    The keying mechanism doesn't always work though - I was able to install a 4x/8x-only AGP card in a 2x AGP slot. Although the card was able to be inserted, it didn't work (but it worked on a mobo with an 8x slot).

                    "A people that values its privileges above its principles soon loses both."
                    -- Dwight D. Eisenhower

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                    • J Judah Gabriel Himango

                      New cards == new (and buggy) drivers. I'd bet grabbing the latest NVidia drivers will solve your problem. *edit* woops, looks like you have the latest drivers. Are you absolutely sure you have the latest drivers from NVidia (these often won't show up as a download on WindowsUpdate)?

                      Tech, life, family, faith: Give me a visit. I'm currently blogging about: He has a funny face. And he's my son. Judah Himango

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                      Mathew Hall
                      wrote on last edited by
                      #17

                      Are you absolutely sure you have the latest drivers from NVidia I downloaded v71.89 from NVidia before a lan lastweek (they finally allowed me to play Halo with the GeForce 4 MX - before that I had to swap it with the GeForce 2 MX if I wanted to play Halo) "I think I speak on behalf of everyone here when I say huh?" - Buffy

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