0) reset the BIOS using the small jumper on the main board.
1) swap the memory, if more than one piece, left only one in the slot to test.
2) swap the power supply.
3) swap the mainboard.
4) good luck
1) swap the memory, if more than one piece, left only one in the slot to test.
2) swap the power supply.
3) swap the mainboard.
4) good luck