my computer shut off and wont turn back on

[Ethan Cox]

i was playing csgo and it suddenly turned of, i was concerned so i tryed turning it back on and it was just a green light but i heard no fans, this worried me further, so after attaching a static strap i proceeded to take the side panel off my case i checked and nothing was disconnected or loose, power supply was a little warm though, so i hooked it up again and now i get a green the yellow flash and nothing else, please help, this is my first desktop.
specs:
Processor AMD A8-6600K APU with Radeon(tm) HD Graphics
Manufacturer AMD
Speed 3.9 GHz
Number of Cores 4
Video Card NVIDIA GeForce GTX 550 Ti
Manufacturer NVIDIA
Chipset GeForce GTX 550 Ti
Dedicated Memory 1.0 GB
Total Memory 4.0 GB
Memory 8.1 GB
Operating System Microsoft Windows 7 Professional Edition Service Pack 1 (build 7601), 64-bit
Service Pack 1
Size 64 Bit
Edition Professional

 

[JobCreator]

Does your power suply have a switch on it? Try turning the power supply off, unplug the power, let it sit a minute or two, and switch it back on.

 

[alexoiu]

Test different power supply.

 

[Alpha Nerd]

does it even give you an error message?