Run
eventvwr.msc and look in the System log for recent errors.
Look especially for "disk" errors that may be an indication of drive corruption.
You can double click these to read the details and copy the description to the clipboard by clicking the double-paper copy icon.
Then you can upload a few of these in a notepad text file or paste them here.
Also post a HijackThis scanlog. Let's see what is running. Antivirus and nonWindows firewalls can also be a factor with this driver.
Download and install HijackThis. Run it and select "do a system scan and save the log file". Then copy/paste the contents of the log to a reply
http://www.majorgeeks.com/download5554.html
And check to see whether you have any System Restore points which precede the problem. At your option you can try one (start: run >
msconfig > Launch System restore).
These can be undone if not helpful.
>> One long beep may on some systems indicate a power supply problem.