Question New Build. Sudden "No Signal" message after 2-3 minutes of on time.

May 27, 2020
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I've recently built my own PC, and every time I turn it on, it gives me 4-5 minutes MAX of on time, before displaying "no signal on the monitor, with the PC still working. I've tried increasing the wattage of my PSU (it used to be only about 40W above, now about 200W).

Specs:
  • GameMax GP-650W PSU
  • Radeon Sapphire AMD Pulse RX-550 4GB GDDR5 Graphics Card
  • AMD Ryzen 5 2600 CPU
  • Seagate 2TB HDD
  • Gigabyte B450M S2H Motherboard
  • Corsair Vengeance 16GB RAM
  • TP-Link Wireless Card
Thanks
 

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