Computer shuts down and PSU beeps

Matjaz

Honorable
Jul 9, 2013
1
0
10,510
My configuration:

MSI 970A-G43
AMD FX - 8320
RAM - 8GB 1600Mhz
Enermax - Infinity 720W
Kingston SSD - 120 GB
ATI RADEON 5400

First I had this configuration (with SL-500 (W) PSU) and the computer started,
told me that i do not have a keyboard pluged in, so I had to reset. When I did,
the lights on the housing started blinking and there was nothing on the display.
So I measured the PSU and found out it died on me.
Bought a 720W PSU - Enermax infinity, and managed to instal windows 7 on the computer SSD drive (sata/120GB)
(i currently do not have any other discs, or optical units). After a couple of minutes in windows,
the system crashes, and my PSU gives me a signal - red light with two beep intervals, which means
that the PSU protection is active. It also works overtime, sounds like a fan in the car!
If I change the graphics card to ASUS GEFORCE 630 (4gb/ddr3),
it dosnt even come to bios, nothing on the screen, only the PSU beeping. Any time i try a hard reset,
it goes to flasing lights on the housing and beeping from the PSU. And everything is pluged in correctly,
double and triple checked! What could be wrong?

Thanks for the anwser !