Hi, I have a Windows 7 PC which is loading up to the login screen, but once the password is entered, it is not loading further, with the screen remaining blank. Where is the possible source of problem in this case?
We really do need to know more about the computer.
Is this a self built PC or something else? Can you tell us the make and model? If it's self built can you tell us its specifications?
Have you made any changes to it recently? Try disconnecting all non-essential devices. But, don't even think about opening up the computer yet, please.
To retrieve your data download the Ultimate Boot CD (UBCD) and boot off that. The UBCD runs a temporary version of Windows in RAM without affecting your Harddrive. If it works then you should be able to find your files on your Harddrive and copy them to a Pendrive. If it works then it will also tell us that the problem is software and not hardware.
Without knowing what sort of computer you have it would be unprofessional of me to advise you to start taking bits out of your computer.
Just use a linux live-cd to copy files to external storage. BTW I had that problem, your explorer.exe is corrupted, copy it from another computer (with identical OS) (again using linux live-cd). Problem solved.
Thanks for the heads-up on Ultimate Boot CD, I've managed to copy the user's files from the drive without any fuss. It seemed it was the Windows which had problems, since after a re-install using the user's original CD, it's back up and running, with the user happy to get back his files again for use :)