I've got a problem that started happening just today. Whenever I try to play a game that uses DirectX (ie: all of them), the computer restarts, as if I had pressed the restart button on the ...

If your PC restarts unprompted, freezes, or programs crash, you could have a RAM problem on your hands. To find out whether RAM really is the problem, you can use your PC’s memory diagnostics tool to ...

My first thoughts would be to check your power supply and check you temps. Could be a power supply failing or it could be your fans are clogged with dust and you are reaching higher temps.