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driver_IRQL_NOT_lesS_OR_EQUAL Win7 installation
i tried to install win 7 to my HP MINI FRAME dc5800 , but every time the installation starts it get a BSOD with the message
driver_IRQL_NOT_lesS_OR_EQUAL
I tried many types of win7 x86 and x64 ( ultimate - professional - home ...etc)
but no way
I made memory test ad Hdd test and all was just fine.
I upgrade bios coz i saw that on the HP web site there was an upgrade that suitable for win7 but also no good result .
finally i get into the setup bios configuration and started to surf the option and i notice that when i disabled the multi-core processor option the setup continued smoothly to the end , oh by the way my pc :
HP dc 5800 small farm factor
processor Quad Q9400 2.6 GHz 6m cach
RAM 2GB DDR2
VGA ati 7500LE
i'm now working on a single core and every time i enable the Multi-core option it gets this Blue screen and did not boot to windows.
plz help me to understand and solve this problem , i can not work on my processor full power and that is sucks
in attachment my dump and report.
thx and w8ing for ur replay.
Last edited by adhammo; 04 Jul 2012 at 16:06.