Vista Ultamate x64 SP1 Some of the BSOD's stop 0x0000003D stop 0x00000024 (0x00000000001904aa Stop 0x0000078e and something iwth volsnap.sys ok rebooted the random stop is: green line stopped rebooted Normal boot: huh used to get BSOD's line stopped. again Safe mode login get the stop 24 above when tried to reinstall vista Thats bootign to reinstall windows Stop 0x0000007e (0xffffffffc0000005 ......... This DVD has been used several times before. cant be any software from this. no new hardware is installed. a portable HD has been plugged in recently several times but not plugged in today. This morning I got more kb errors. I plugged in a usb one this time, same thing kb falure. Was gonna run memtest86 but could not even hit F12.. Any I ideas? Dell Precision 370 P-4 HT 1 gig RAM Thank you, Eric Vogel