Hello!
I am using q9400 with intel dg41pr board on stock speed, I have 2 GB ram and 160+500 sata hdd. i bought this proc and mobo 2-3 weeks back. In the first week all was working perfect then suddenly my PC started rebooting while rendering some 3D scenes in 3DS max or starting the prime95 test. I monitor my CPU temperature with hwmonitor. It was around 45-50 on idle and around 72+ on load. then i opened my case and pulled out my processor and replaced it with my old e4500 and it started working fine. with idle temps of 38 and on load 56-60. then i noticed the rpm of cpu fan, it was around 3200rpm on load and around 1700 on idle. I put back my q9400 again in the mobo and it starting working fine with load temp of max 62 and 3200 rpm. It worked fine for a week but now it again giving the same problem. as I start a heavy application it restarts. but the windows 7 is not giving me any message. its idle temp is 52 with 1700rpm while my room temp is around 32 and on load it goes to 77+ but rpm goes to maximum 2200.
my observation is: this is happening due to the slow speed of cpu fan, but question is why its not running according to requirements. Let my also tell you i am not using the stock hsf. I replaced it with Pentium D hsf which was far heavier then the stock q9400 hsf.
I am using q9400 with intel dg41pr board on stock speed, I have 2 GB ram and 160+500 sata hdd. i bought this proc and mobo 2-3 weeks back. In the first week all was working perfect then suddenly my PC started rebooting while rendering some 3D scenes in 3DS max or starting the prime95 test. I monitor my CPU temperature with hwmonitor. It was around 45-50 on idle and around 72+ on load. then i opened my case and pulled out my processor and replaced it with my old e4500 and it started working fine. with idle temps of 38 and on load 56-60. then i noticed the rpm of cpu fan, it was around 3200rpm on load and around 1700 on idle. I put back my q9400 again in the mobo and it starting working fine with load temp of max 62 and 3200 rpm. It worked fine for a week but now it again giving the same problem. as I start a heavy application it restarts. but the windows 7 is not giving me any message. its idle temp is 52 with 1700rpm while my room temp is around 32 and on load it goes to 77+ but rpm goes to maximum 2200.
my observation is: this is happening due to the slow speed of cpu fan, but question is why its not running according to requirements. Let my also tell you i am not using the stock hsf. I replaced it with Pentium D hsf which was far heavier then the stock q9400 hsf.