Tried each Ram stick by itself, I have 2 x 2gb. Also tried putting the Ram in the second slot.
Updated the BIOS with AFUDOS.exe
UN-installed the graphics card drivers, booted to safe mode and cleaned with Driver Sweeper, then installed latest version.
Turned of Sleep mode in Power Options.
Still the same.
If I push the reset button on the PC when it re-boots it doesn't give me the "windows was not properly shut down" message. Which makes me think there is some type of system fault?
Should I try taking out the graphics card and using the on-board graphics?