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Windows 7: Windows 7 Pro x64 crashes at welcome screen

08 Nov 2009   #1
Riebart

Windows 7 Professional x64
 
 
Windows 7 Pro x64 crashes at welcome screen

Let me start by saying I've been looking all over, everywhere, and nothing is at all useful. The problem is as follows:

After installing the video card drivers, Windows 7 no longer will load properly. The primary symptom is that it loads, gets to welcome screen, then gets to the "Enter your password" screen. If I let it sit for 5-10 seconds, it restarts.

It doesn't matter if I'm in safe mode, if I start it with "Do not automatically restart on error". Nothing makes any difference as to its behaviour. It always automatically restarts and refuses to throw a BSOD.

Restoring a system image from before I install video card drivers works fine, and I can boot into the recovery environment fine, but Windows 7 will not boot with the video card drivers installed.

The only information I have is form one time where I managed to speedily enter my password, and say the error that it threw: It throws up a "Debug assertion failed..." window, then reboots. I don't get a chance to read it, and this window doesn't always come up before it reboots.

Microsoft tech support has been completely useless on this. I am at my wits end and have no idea where to go.

Help would be greatly appreciated.

Thanks

Edit: Oh, and the recovery environment's "Repair your computer" reports that Windows started fine. So Last Known Good Configuration is useless, and the automatic repair tool doesn't see anything wrong.


My System SpecsSystem Spec
.
08 Nov 2009   #2
torrentg

7600.20510 x86
 
 

Try this. From safe mode if you have to.

NVIDIA Driver - Convert from Desktop to Mobile (Laptop)
My System SpecsSystem Spec
08 Nov 2009   #3
Riebart

Windows 7 Professional x64
 
 

I can't boot into Safe Mode. It always reboots at the login prompt (about 10 seconds after the prompt appears).
My System SpecsSystem Spec
.

09 Nov 2009   #4
H2SO4

Win7x64
 
 

Quote   Quote: Originally Posted by Riebart View Post
Let me start by saying I've been looking all over, everywhere, and nothing is at all useful. The problem is as follows:

After installing the video card drivers, Windows 7 no longer will load properly. The primary symptom is that it loads, gets to welcome screen, then gets to the "Enter your password" screen. If I let it sit for 5-10 seconds, it restarts.

It doesn't matter if I'm in safe mode, if I start it with "Do not automatically restart on error". Nothing makes any difference as to its behaviour. It always automatically restarts and refuses to throw a BSOD.

Restoring a system image from before I install video card drivers works fine, and I can boot into the recovery environment fine, but Windows 7 will not boot with the video card drivers installed.

The only information I have is form one time where I managed to speedily enter my password, and say the error that it threw: It throws up a "Debug assertion failed..." window, then reboots. I don't get a chance to read it, and this window doesn't always come up before it reboots.

Microsoft tech support has been completely useless on this. I am at my wits end and have no idea where to go.

Help would be greatly appreciated.

Thanks

Edit: Oh, and the recovery environment's "Repair your computer" reports that Windows started fine. So Last Known Good Configuration is useless, and the automatic repair tool doesn't see anything wrong.
Is there anything in \Windows\Minidump? If so, can you zip it all up and attach here? My guess is that Winlogon or another critical process is terminating, thus causing the kernel to give up on living.
My System SpecsSystem Spec
09 Nov 2009   #5
Riebart

Windows 7 Professional x64
 
 

Nope, no minidump folder. The folder doesn't exist as this is essentially a fresh install of Windows 7.
My System SpecsSystem Spec
09 Nov 2009   #6
1Bowtie

Windows 7 Home Premium 64 bit
 
 

If it boots with the video drivers out, i think first i would reseat the video card then dl the latest drivers from Nvidia for Win 7 64 bit or let Win 7 put it's drivers in an see if that helps, cause it sounds like a driver issue.

Smitty
My System SpecsSystem Spec
09 Nov 2009   #7
Riebart

Windows 7 Professional x64
 
 

Video card is seated fine. It runs fine with the standard Windows 7 video drivers. And these are the latest drivers that work with the card (That's a whole different issue).

The interesting thing is that it happened to boot. ONCE. After about thirty restarts, it worked once. During that time, there were no performance issues, nor display glitches. Since my computer can't rely on luck, I restarted it and it the issue remains.

These are all great suggestions, but you can see why I'm completely lost, eh?
My System SpecsSystem Spec
Reply

 Windows 7 Pro x64 crashes at welcome screen




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