1| List your specs like so:
CPU: fx 6300
Motherboard:Gigabyte GA-78MT-USB3 6.0
Ram: 4x2gb ddr3
SSD/HDD: 128gb sandisk ssd/ 1tb seagate barracuda
GPU: XFX 4gb rx 470
PSU: Corsair cx 650 m /(upgraded from cx500)
Chassis: Sentey atx(not sure spesific model)
OS:windows 10 64-bit
3| Have you made sure your motherboard BIOS is up to date?
-when i first got it yes but not recently
4| Does the system reboot even when idling?