The topic appears to be common here, but none of the given solutions seem to work.
System config:
Pre-built system (year 2010)
Mobo - G41 DDR3 L775 mATX
CPU - PDC E5500 2.8Ghz
PSU - Seasonic S12ii-520W (new)
RAM - 2 GB DDR3
OS - Windows 10 32-bit (originally Win 7, upgraded to Win 8, upgraded...