Windows 7 BSOD at Boot Screen HELP!!!

hi, i have windows 7 home premium 64 bit but i get a BSOD (Blue Screen of Death) when 'Starting Windows'. i cannot boot into safe mode, i get the BSOD again. i have tried last good known configuration, and same happens again. i tried startup repair with the startup repair CD several times. i do not have the original windows 7 CD so i cannot reinstall windows. i have a dual boot setup with windows xp and windows 7 but i want to keep them both. Please Help!!!

Video of BSOD at Boot: http://www.youtube.com/watch?v=y-yiWOSgmSo

bsod is only visible for 0.1 sec!! can you post a screenshot plz!

when you see the selection screen with win7 and winxp select win7 but don't press enter. press f8 instead. select "repair my computer" and do a startup repair

But does "startup repair" say? click on something like "view diagnostics" there. Does it have 0x0 as result code on all tests, or does it find errors? if so post message

in "recovery environment" enter "Command prompt"
DIR C:
DIR D:
what is your windows installation (drive letter can be different in windows!) assume it's C (what drive letter is it?)

chkdsk/f c:

any errors? and are they fixed?

you have windows 7 home premium 64, but what language and is SP1 installed? Just curious in case you have to reinstall. But I think we can fix the problem

SFC /SCANNOW : Run in Command Prompt at Boot
try that as well. Can be done in Recovery Environment->(select command prompt) as well

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