No Display on Monitor

[Cromate]

Good day! I just wanna ask what's the problem of my pc coz there are times that i got no display on my monitor but sometimes there's display. I dont know what's the problem. i've checked all connections like the monitor cable, the connection of vidcard to mobo, power cable connection, etc. One thing i've noticed, when i hit or kick my unit (or the cpu, i dont know the right term), the display comes back. When i insert the display cable to the motherboard instead to the graphics card, i dont experience any problem. Is it the video card? the power supply? or the motherboard? Pls help me guys and sorry for my english i'm from Philippines. This is my pc specs;
Mobo: MSI A55-E33
Vidcard: Nvidia GT 730
Processor: Amd a4-4020

pls. help me guys. thanks a lot

 

[ffg7]

does the videocard get extra power via cable(s) from the psu & if so then what is the wattage rating of your psu?

 

[Cromate]

I think so. my psu power is 700 watts. My psu is new coz i encountered same problem in the last months and the repair man said that it's the PSU so i replaced my psu. i've been using it in 3 months.

 

[ffg7]

try another monitor even a friend's for testing purposes to see if still has that issue. try another videocard even a friend's for testing purposes to see if still has that issue.