no signal on monitor

Hello Good People, Merry Christmas and Happy New Year. A couple of days ago my PC start to lose signal while gaming and acting strange. The only thing I can do when it occurs is to restart or sometimes I need to turn the power switch back on my PSU then it powers ON, and this is happening...

I have just built my new and first ever PC using an ASRock B450M HDV R4.0 Motherboard, a Ryzen 3 2200G CPU, a EVGA GeForce GTX 1060 3GB SC Graphics Card, OLOy 16 GB (1 x 16 GB) DDR4-3200 MHz Memory, a Apevia AD 500 W ATX Power Supply, a Western Digital RE4 1 TB 3.5" 7200RPM Internal Hard Drive...

I have been upgraded my ram from 1x8 to 2x8 GB (they are the same, I also checked the number of the product) and when I turned on the pc the monitor was balck, no signal. I removed and put back the CMOS battery and it didnt change after all... I tried with 1 stick and it was the same result as...

Hi Folks, My Friend has an Old Pc WIth i7 2nd generation , motherboard intel DH61WW, 8gb ram, Graphics card geoforce 710 2 gb & operating system windows 7 now he has upgraded his graphics card and Smps to corsair vs450 and rx 560 OC 4gb but now he is not getting any signal on the monitor...

Si Im thinking about getting a dedicated sound card for my new rig, but Ive just got one problem, I dont know where it goes? Does it go in the PCIE ports?