Help No Signal display in my monitor

[Gilgabyte]

Pa Po! No Signal display sa monitor ko minsan na oopen ko rin yung windows ko at nkakalaro pa nga ako after ko i shutdown at re-open ulit no signal na lumalabas na try ko narin unplug yung powercord at e long press ung power on at nilinis ko narin yung ram>cpu>at mobo d ko alam kung power supply ko yung my problema mobo at cpu ok nmn kasi yung ram ko at vcard wla rin ako naririnig na beep na try ko na reformat yung boung hard drive ko at nag re-install ulit ng os gnun parin problema ko no signal display

Specs
Mobo:gigabyte ga-h81m-31, 1150 , ddr3, d-sub 7ch, glan.m
Vcard: Palit GTX 750ti Stormx oc 2g GDDR5 128bit
Procesor: Intel core i3 4160 3.5ghs LGA1150
Ram: kingston 4gb ddr3 pci0600 1333
HDD: Seagate 500gb sata hdd
monitor: LG 19.5" 20m37d led black monitor w/dvi
power supply hec cougar sl-500w atx ps

 

[sub_zer0]

kung na try mo na sir troubleshoot ibang parts try mo sir gumamit ng ibang PSU, nagawa mo na po ba yun?

 

[chander]

Mother board na po yan may pumutok na capacitor try mo magpalit ng mobo