I seem to have started to get a recurring problem when I'm booting up the PC. Windows 7 initialises OK until I get to the standard desktop screen, with my shortcuts down the side.
What happens then - and it's intermittent, doesn't happen every time - is that the computer suddenly freezes. The cursor gets locked, and the blue activity light goes from shining brightly to flashing very faintly on a repetitive basis, as if there's some sort of low level activity going on in the background, but I can't do anything. All I can do is press the reboot button. The computer closes, reopens, I get the usual black "not shut down correctly" screen, and the 25 second countdown to "restart normally". If I restart normally, it then boots up correctly and the computer is operational.
I had a look at the Action Centre in the Control Panel and it was flagging up a series of errors that had been logged. I asked the Action Centre to troubleshoot the problems and it said it wanted more information and to report the problem to Microsoft, but I think that's a bit of a red herring.
I have saved a copy of the details as a .jpeg, but essentially what the details of each event appear to be is as follows:
Windows
Problem: video hardware error
Files that help describe the problem
WD-20140227-1430.dmp (the numbers vary in each event and there are currently 50 such events)
sysdata.xml
WERInternalMetadata.xml
View a temporary copy of these files
Warning: if a virus or other security threat caused this problem, opening a copy of these files could harm your computer
I have AVG (paid for) and Microsoft Security Essentials (free) installed, and neither has reported any virus problem when scanning.
Any thoughts as to what's going on, guys? Much appreciated!