- Sep 24, 2011
- 16
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- 18,510
Recently I got a HD 5850 as a replacement of HD 5670.However I found that my system started giving me issues, intermittent issues I must say. Please see the link of the issues that I started receiving. http://www.youtube.com/watch?v=3vA7DIJ9R3k . I also put the issue as a query on the forum and received numerous replies. I resolved the issue through this method, see below. Let me explain my findings.
Probable Cause:- The graphics card lately have become a lot heavier,now that may not be an issue on a newer motherboard, but on a older motherboard, which had some lighter gfx card installed before, the plastic PCI-E slot may expand under heat. Its not noticeable to naked eye, however that happens. Now when we install a bigger and a heavier dual slot card, the mounting screws may or may not be able to hold the the card with a perfect fit in the slot. Again, that's not noticeable but there might be a loss of contact in one or more pins with the PCI-E. This causes it to lose power under stress.
Symptoms:- No POST, flickering issues, GSOD, BSOD, display going black etc.
Solution/workaround:- Many people advise of updating drivers, issues with PSU, Motherboard, CPU etc which may be true in some cases but its difficult to guess. In such cases we can just try to place the cabinet horizontally so that the entire weight of the card comes on the motherboard and it does not hang on the PCIE, in most of the cases, the stability would improve. It improved for me a lot, but still wasn't perfect as the card would vibrate again under high RPM fan usage. So we can try this step of providing support to the gfx card, which costs nothing and look at the results.http://img98.imageshack.us/img98/1269/20111003195054160newdel.jpg I am sure a lot of issues can just be resolved by providing support. I just put a stick to provide support and then ran Furmark to test for 4 hrs, without a single flicker or GSOD.
Please read and comment. This can really save the endless pain of solving issues like this. I spend 3 days and endless troubleshooting to make my system stable without getting into the hassles of RMA process.
Probable Cause:- The graphics card lately have become a lot heavier,now that may not be an issue on a newer motherboard, but on a older motherboard, which had some lighter gfx card installed before, the plastic PCI-E slot may expand under heat. Its not noticeable to naked eye, however that happens. Now when we install a bigger and a heavier dual slot card, the mounting screws may or may not be able to hold the the card with a perfect fit in the slot. Again, that's not noticeable but there might be a loss of contact in one or more pins with the PCI-E. This causes it to lose power under stress.
Symptoms:- No POST, flickering issues, GSOD, BSOD, display going black etc.
Solution/workaround:- Many people advise of updating drivers, issues with PSU, Motherboard, CPU etc which may be true in some cases but its difficult to guess. In such cases we can just try to place the cabinet horizontally so that the entire weight of the card comes on the motherboard and it does not hang on the PCIE, in most of the cases, the stability would improve. It improved for me a lot, but still wasn't perfect as the card would vibrate again under high RPM fan usage. So we can try this step of providing support to the gfx card, which costs nothing and look at the results.http://img98.imageshack.us/img98/1269/20111003195054160newdel.jpg I am sure a lot of issues can just be resolved by providing support. I just put a stick to provide support and then ran Furmark to test for 4 hrs, without a single flicker or GSOD.
Please read and comment. This can really save the endless pain of solving issues like this. I spend 3 days and endless troubleshooting to make my system stable without getting into the hassles of RMA process.
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