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Problem with sapphire radeon hd 6770

post #1 of 3
Thread Starter 
hi,
A month ago I bought a new pc with a sapphire radeon hd 6770 installed.Since then I am having problem playing games.
When I run any game like GTAIV , Crysis 2 , COD MW2 etc , after sometimes when playing games the screen becomes grey with white vertical lines and crashes to desktop. windows shows this message "ATI display driver stopped working and has recovered".then I see flickering in windows and eventually have to restart pc from start menu.

Sometimes when gaming the screen goes totally black and pc restarts automatically showing a "Hyper transport sync flood error" when booting up. When windows loads up it shows message about "unexpected shutdown".

The problems mentioned above happens randomly.sometimes 10 minutes or sometimes 6-7 hours of gaming.
I have tested cpu with prime95,tested ram with memtest and they are stable and cpu temp is normal(55c).Even tested GPU temp with GPU-Z and it also shows temp is normal(35c idle,65c when gaming),fan speed is auto.

so, can someone tell me if this is a problem with my card or driver (tested both 11.9 and 11.10) or any other hardware.

My system
AMD Athlon IIx4 640 @ 3.00 GHz
4GB DDR3 ram(single stick)
MSI 760GM-P33 mobo
sapphire radeon hd 6770 1GB DDR5
2 samsung 7200 rpm HDD
Thermaltake TR2 500W PSU
Nothing is over clocked
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Duo E7300@2.66GHz Gigabyte G33-S2L Sapphire Radeon Hd 5770 4GB DDR2 
Power
Thermaltake 500w 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Duo E7300@2.66GHz Gigabyte G33-S2L Sapphire Radeon Hd 5770 4GB DDR2 
Power
Thermaltake 500w 
  hide details  
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post #2 of 3
/offtopic: As I read I thought "bet the motherboard is an MSI"... I think they usually make good products, specially graphic cards, but their AMD mobos are bust.

Here's why I think it's the motherboard: the ATI driver error could only be related to the GPU; the HT error could be CPU or motherboard related. Both could also be caused by a failing PSU, but I doubt it - just monitor +12V rails during the burn tests, if they fall below 11.6V you can start worying about the PSU, but I doubt this is the problem. Motherboard faults are hard to diagnose, in principle (unless something is clearly burnt) one says "the mobo is failing" after all the rest has been tested, which you did. The board may not be broken, maybe only overheating due to insufficient case airflow - try to add ventilation directly above the chipset radiators and above the VRMs - if this doesn't help I would do a clean Win install, put the latest drivers and hope for the best - if the issue persists then it's clearly the motherboard's fault.
Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
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Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by dragosmp View Post

/offtopic: As I read I thought "bet the motherboard is an MSI"... I think they usually make good products, specially graphic cards, but their AMD mobos are bust.
Here's why I think it's the motherboard: the ATI driver error could only be related to the GPU; the HT error could be CPU or motherboard related. Both could also be caused by a failing PSU, but I doubt it - just monitor +12V rails during the burn tests, if they fall below 11.6V you can start worying about the PSU, but I doubt this is the problem. Motherboard faults are hard to diagnose, in principle (unless something is clearly burnt) one says "the mobo is failing" after all the rest has been tested, which you did. The board may not be broken, maybe only overheating due to insufficient case airflow - try to add ventilation directly above the chipset radiators and above the VRMs - if this doesn't help I would do a clean Win install, put the latest drivers and hope for the best - if the issue persists then it's clearly the motherboard's fault.

ok, I ran prime95 again and here what speed fan and cpu ID hardware monitor shows me:


338


strangely these software show different things about +12V.
another question, if its related to motherboard why does it only happens when gaming.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Duo E7300@2.66GHz Gigabyte G33-S2L Sapphire Radeon Hd 5770 4GB DDR2 
Power
Thermaltake 500w 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core 2 Duo E7300@2.66GHz Gigabyte G33-S2L Sapphire Radeon Hd 5770 4GB DDR2 
Power
Thermaltake 500w 
  hide details  
Reply
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