I have been having multiple crashes and BSOD in the past few months, with multiple BSOD codes. Sometimes it does not even bring up a BSOD screen, but just crashes with thin, multi-coloured, static horizontal lines across the screen and requires a hard reboot. If music is playing through the computer when it crashes, it makes a loud constant buzzing through the speakers.
I have attached a link to skydrive ( Minidump - Windows Live )which has the last 4 minidump readouts, one copy with the services and one with just the minidump. I only just realised last night that for some reason Windows 7 had turned off the dump file creation, so there is a big gap between November and now, but the latest one is at the top from today and copied below:
0x0000003b 00000000`c0000005 fffff880`050a1034 fffff880`074f8700 00000000`00000000
Caused by driver: Npfs.SYS
Caused by driver address: Npfs.SYS+11c2034
The one before is DRIVER_IRGQL_NOT_LESS_OR_EQUAL from DXGMMS1.SYS and the last two are REFERENCE BY POINTER from NTOSKRNL.EXE
I have run memtest for 5 hours with no errors, ATI tool for 2 hours with no errors, and use Advanced System Care Pro for registry cleaning etc. I use MS Security Essentials and Malware Bytes, and they have not found anything untoward in months.
At one point I had to replace the PSU as the one provided shorted, and this has been upgraded to allow more power.
There does not seem to be much consistency to when it crashes; happens when idle, using Chrome, Adobe CS4 or itunes. Disabling Asus Express Gate does nothing, but turning off hibernation solved the problem of the PC not waking up some of the time.
This was a new build 18 months ago, and has only ever run Windows 7 Premium 64 from disc, not oem. I have done multiple reinstalls and restores, but every time, after a few days and sometimes hours, it starts crashing again. Up until now it had actually been OK, but in the last few days it has started again a lot (twice yesterday and once today already). I have partitioned C for program files including OS, and D for all other data files.
Happy to provide any more info anyone wants and grateful if anyone has any ideas what to do please-thank you.
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