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I've experienced some BSOD on windows 7 RC, and some freezing when startup, but today was big surprise, it doesn't start anymore.

I tried to start on safe mode and no results too, it shows the starting animation, then a blue screen for less than a second and turns off immediately.

The only thing I remember did today is update flash player under Firefox, then chrome stopped working even after logging off, and once restarting, it doesn't start anymore.

Anyone experienced the same issue? any hints?

[EDIT 3] Solved : Windows 7 have a very smart repair strategy, it works automatically, and it tried every possible fix, what fixed my problem was the system restore to a previous date, all this happened automatically.

[EDIT2] these are the last lines in the ntbtlog.txt file

Did not load driver
\SystemRoot\System32\drivers\vga.sys
Loaded driver
\SystemRoot\System32\Drivers\NDProxy.SYS
Did not load driver
\SystemRoot\System32\Drivers\NDProxy.SYS
Did not load driver
\SystemRoot\System32\Drivers\NDProxy.SYS
Did not load driver
\SystemRoot\System32\Drivers\NDProxy.SYS
Did not load driver
\SystemRoot\System32\Drivers\NDProxy.SYS
Loaded driver
\SystemRoot\system32\drivers\CHDRT32.sys
Loaded driver
\SystemRoot\system32\DRIVERS\VSTAZL3.SYS
Loaded driver
\SystemRoot\system32\DRIVERS\VSTDPV3.SYS
Loaded driver
\SystemRoot\system32\DRIVERS\VSTCNXT3.SYS
Loaded driver
\SystemRoot\system32\drivers\modem.sys
Loaded driver
\SystemRoot\system32\DRIVERS\usbccgp.sys
Loaded driver
\SystemRoot\System32\Drivers\usbvideo.sys

[edit] this is the BSOD I get : http://twitpic.com/i87cx

Thank you.

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Looks like something's munching on the video drivers. Since you can't get it into safe mode either, try another video card. As well, if your existing video is a card, make sure the fan is spinning.. if it's onboard, disable it in BIOS when you plug in another card. Oh, and just another thought.. if you HAVE a video card, go into BIOS and make sure it's defaulting to the card instead of "auto" or "pci" or "agp". –  CoffeeBean Sep 19 '09 at 2:43
    
Do you have a webcam? Try unplugging it. –  Breakthrough Sep 19 '09 at 12:36
    
if you cant swap the video card, put it into a different pci slot. –  djangofan Oct 1 '09 at 20:48
4  
Are you really still running Windows 7 RC?! –  studiohack Oct 6 '10 at 21:09
1  
You should really answer your own question and mark it accepted so it does not keep popping up on the front page. –  Scott Chamberlain Jan 4 '12 at 22:58
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2 Answers

Try bunging in the install media (Disk, USB or whatever) and click repair.

It should be able to diagnose the failure and automatically to a fix disk (if that is what it was) or any of the other usual repair methods.

I am saying this as it is the easiest method, without knowing what was on the BSOD, it is hard to help you. The new repair wizard is amazing and does so much.

If the above fails, you can press F8 just after BIOS but before Windows starts (or the normal menu comes up) and you want to select, "Do not reboot on system failure" then write down the error code that comes up.

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I already did the repair, actually win7 propose automatically a repair on a failure, but nothing changed at all –  user3864 Sep 18 '09 at 22:37
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Use a linux live cd installer (like the Ubuntu Live cd) to scan the RAM on the machine. Be suspicious of bad system ram or bad video card ram.

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I'm using windows vista on the same machine now normally, so it is not the RAM for sure. –  user3864 Sep 19 '09 at 0:02
    
sure... i'd scan it anyway. also, you could try bios update if your comfortable with it. sometimes bios settings can affect graphics cards... –  djangofan Oct 1 '09 at 20:47
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