aorus 360 m pro

On Input: Aorus 360 M Pro (rev 1.0, bios ver is unknown), (as MB) Core i7 9700. (as i7) Kingston 16 Gb (KVR32N22D8/16) (as Mem) Video on board. On output: System starting, quick single blink CPU led on MB, after that switch on led DRAM on MB - led is continuously light. Speaker didnt beep's...