RX 580 crashing

  • MSI RX 580 Gaming X+ 8GB
  • Gigabyte b85-hd3
  • intel i7 4790k
  • 8G ram (kingston)
  • Inter-tech combat power 650
  • Radeon Software Version 17.4.4

 

     The gpu stays at 300 Mhz, and when I enter a game goes up to max 600 and the the pc restarts.