pc turns off and on repeatedly

Higeath

Honorable
Jan 14, 2014
19
0
10,510
my pc turns off and on without beeps (i just installed the speaker however it might be faulty since it's old) I have broken arm so yeah im being pissed off here. I tried resetting bios by takin ouy battery didnt work i started on my integrated gpu didnt work either PC;
gigabyte gtx 780
i5 -750 2.66ghz oced to 3.8 ghz
16 gb (2x8gb) ripjaws 1333mmhz cl9
ocz modxstream 500W pro
gigabyte p55 us3l
http://imgur.com/a/QByQr