I am so relieved that I am not the only one, and have been battling with this problem for the last two months or so trying to troubleshoot. What is annoying is that I had no problems with vista. I have tried almost all the suggestions mentioned except installing on a different hard drive (anyone recommend good free ghosting/imaging software? Busting my cap with all these reinstalls due to the massive windows 7 updates) and going back to vista! I was actually going to upgrade to a p55 system until I found this thread and see that people are still having this problem with i5.
My problem differs in one way though. It occurs almost always in association with LAN activity between other windows 7 pcs.
I get hard freezes with 4GB of RAM installed (all passed memtest86 and tried other RAM), where no peripheral responds, cannot ping computer etc. On the other hand I get 'soft freezes' with 1, 2 or 3GB of RAM installed where one of the computers network gets disconnected (the computer that gets disconnected is random - note there are 3 windows 7 PCs in my house and LAN activity between the other two results in much lower frequency of crashes say once every week versus every time with LAN activity with the problem PC)
Configuration:
OS: Windows 7 Home Premium Professional 64 bit
CPU: E7200
Motherboard: ASUS P5K SE/EPU
RAM: 4x1GB Corsair XMS2 DDR2 800 CL4
GPU: ATI HD 4850
System Hard Drive: 320gb western digital SE16
Secondary Drive: 640GB western digital SE16
PSU: Corsair 450 watt
PCI cards: Nova T 500 HD
Router: Siemens Gigaset (phoned siemens in austria and spoke to a supervisor who could not find any known windows 7 compatibility problems)
Antivirus: Avira (although occurs with AVG and avira too)
My problem differs in one way though. It occurs almost always in association with LAN activity between other windows 7 pcs.
I get hard freezes with 4GB of RAM installed (all passed memtest86 and tried other RAM), where no peripheral responds, cannot ping computer etc. On the other hand I get 'soft freezes' with 1, 2 or 3GB of RAM installed where one of the computers network gets disconnected (the computer that gets disconnected is random - note there are 3 windows 7 PCs in my house and LAN activity between the other two results in much lower frequency of crashes say once every week versus every time with LAN activity with the problem PC)
Configuration:
OS: Windows 7 Home Premium Professional 64 bit
CPU: E7200
Motherboard: ASUS P5K SE/EPU
RAM: 4x1GB Corsair XMS2 DDR2 800 CL4
GPU: ATI HD 4850
System Hard Drive: 320gb western digital SE16
Secondary Drive: 640GB western digital SE16
PSU: Corsair 450 watt
PCI cards: Nova T 500 HD
Router: Siemens Gigaset (phoned siemens in austria and spoke to a supervisor who could not find any known windows 7 compatibility problems)
Antivirus: Avira (although occurs with AVG and avira too)
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