Pc Wont Post after working fine for a year

Hello,

My pc wont Post anymore after a freeze it rebooted and didt post anymore not booting no nothing just the fans spinning,

Motherboard = k9a2gm v3
Cpu = AMD Phenom 9600 HD960ZWCJ4BGD



The famous checklist answers
1.Did you carefully read the motherboard owners manual?
Yes

2. Did you plug in the 4/8-pin CPU power connector located near the CPU socket?
Yes

3.Did you install the standoffs under the motherboard?
Yes

4.Did you verify that the video card is fully seated?
Yes

5.Did you attach ALL the required power connector(s) to the video card?
Yes

6.Have you tried booting with just one stick of RAM installed?
Yes tryed all possible combinations (Slots and sticks)

7.Did you verify that all memory modules are fully inserted
Yes

8.Did you verify in the owners manual that you're using the correct RAM slots
Yes

9.Did you remove the plastic guard over the CPU socket?
Yes

10.Did you install the CPU correctly?
Yes

11.Are there any bent pins on the motherboard/CPU?
No

12. If using an after market CPU cooler, did you get any thermal paste on the motherboard, CPU socket, or CPU pins?
No i did not

13.Is the CPU fan plugged in?
Yes

15. Are any loose screws laying on the motherboard, or jammed against it? Are there any wires run directly under the motherboard
No

14. If using a stock cooler, was the thermal material on the base of the cooler free of foreign material, and did you remove any protective covering?
Yes

16.Did you ensure you discharged all static electricity before touching any of your components?
Yes

17.Did you install the system speaker
Yes

18.Did you read the instructions in the manual on how to properly connect the front panel plugs?
Yes and there not connected (starting pc with a wire connecting both the power sw pins)

19.Did you turn on the power supply switch located on the back of the PSU?
Yes

20.Is your CPU supported by the BIOS revision installed on your motherboard?
Yes

21.Have you tried resetting the CMOS?
Yes many times

22. If you have integrated video and a video card, try the integrated video port.
Nothing

23. Make certain all cables and components including RAM and expansion cards are tight within their sockets.
Yep


And after that still no beeps or changes,

So pulled motherboard out off the case, set it on a wooded plate and disconnected everything en left nothing then the PSU and CPU (CPU fan aswel)on there

Results
No beeps only Cpu Fan spinning

So i bought a new PSU and it didnt change anything still stuck with a Cooling machien.

I have no clue how to proceed next.

Can you please help me out on how to proceed with testing (finding the problem)