prca Posted November 24, 2010 Share Posted November 24, 2010 Hi. Excuse me but my English is bad. My computer shows blue screens in Windows 7 64bits. Leaving the automatic setting in the BIOS the problem happens more often. Assigning manual configuration specified by the manufacturer (9-9-9-24 1.8v 1600) decreased the problem but does not stop. The crash's occur primarily in applications with IE and Office. In games it is more rare (BF BC2). Already updated the motherboard firmware to the latest version (2102) and the video card drivers. BIOS settings are all on [auto] except the setup of memories.Does anyone have any idea what might be happening? The memory are incompatible? Should I install Windows 32-bit or should I buy other memory? Memtest86 passed all the tests three times without error. Regards, Paulo Ricardo Link to comment Share on other sites More sharing options...
trackrat Posted November 28, 2010 Share Posted November 28, 2010 You could try increasing the CPU-NB to 1.26 volts and make sure the command rate is 2T. Link to comment Share on other sites More sharing options...
prca Posted November 29, 2010 Author Share Posted November 29, 2010 Thank you. I'll try tonight. My memory is already 2T (9-9-9-24 2T 1600 1.8V). Regards, PRCA Link to comment Share on other sites More sharing options...
prca Posted November 30, 2010 Author Share Posted November 30, 2010 Hi trackrat, The problem continues. Freezing and blue screen during startup, browsing, others. When I enter the BIOS and change some parameter and reboot the machine seems to improve (like change 1600 to 1333 or inverse). The problem seems to happen more often at first boot. However the BIOS is the same as before I left. The BIOS did not lose the configuration. Sunday I played BF BC2 for 4 hours and no problems. Any other suggestions? Regards, PRCA Link to comment Share on other sites More sharing options...
trackrat Posted November 30, 2010 Share Posted November 30, 2010 Your CPU is only guaranteed to run RAM @ 1333 MHz. It may or may not run the RAM overclocked at 1600 MHz.? You could try upping the RAM voltage to 1.9 V and test. I'd also e-mail Asus tech to see if they've had issues with this RAM on this specific mobo as their mobos seem very RAM sensitive. Intelburn Maximum, OCCT, Prime 95 will all stress test your PC quickly to see if it is stable. The problems you are experiencing can be caused by many hardware components including the mobo, RAM, CPU, Video card, PSU, etc. Something as simple as reseating the CPU/RAM/Vid card can resolve problems, as everything must be perfect to have a stable PC. Link to comment Share on other sites More sharing options...
prca Posted December 2, 2010 Author Share Posted December 2, 2010 Hi Trackhat, Can I change the RAM speed to 1333 MHz in the BIOS and keep the rest as is? I reset the CMOS, removed the memory, swapped slots, and nothing. I posted my problem on the ASUS forum and I wait for anwser. Some other users have the same problem with the same Mobo. http://vip.asus.com/forum/view.aspx?id=20101123023813981&board_id=1&model=M4A79XTD+EVO&page=1&SLanguage=en-us http://vip.asus.com/forum/view.aspx?id=20100828152847226&board_id=1&model=M4A79XTD+EVO&page=1&SLanguage=en-us Thank you again. Regards, PRCA Link to comment Share on other sites More sharing options...
trackrat Posted December 2, 2010 Share Posted December 2, 2010 The default RAM speed for your CPU should be 1333 MHz. If it is not then yes you can manually set it in the BIOS. Yes you can leave the other settings. Link to comment Share on other sites More sharing options...
prca Posted December 20, 2010 Author Share Posted December 20, 2010 Hi Trackrat, Completely solve the problem by removing one memory card. For now I'll just keep 2GB because I dont have more blue screen. Perhaps a new firmware motherboard solve my problem. Thanks. Link to comment Share on other sites More sharing options...
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