I'm having a similar problem. It loads to the Windows 7 Home Premium screen and then stops. Normally, there is a login box, but it's missing. I've tried loading in all the various safe modes, tried LKGC, Startup Repair and System Restore. Nothing works. Startup Repair said there were no problems and the OS was booting normally. System Restore didn't work. I had 3 recent updates to restore back to. All failed.
I got this on one of them....
System Restore did not complete successfully. Your computer's system files and settings were not changed.
Details:
System Restore failed while scanning the file system on the drive D:\
The drive might be corrupt. You might want to retry the System Restore after running chkdsk /R on this disk.
An unspecified error occurred during System Restore. (0x80070057)
I tried to run chkdsk /R but it failed.
I don't understand most of what I"m reading on these forums. I'm not a techie person, my husand built the machine. But he doesn't know what to do to fix this either.
I have a full days worth of drawing files I don't want to lose on my hard drive. Please help! Thank you!
Also, I realized after trying to reboot, that the corner of a folder on my desk was holding down the ESC key. Was that way all during the reboot. That's what happened right before i had this problem. Would that mess something up?