Asrock Z270 gaming K4 Bios Beep 13x

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I have a computer with specifications. Asrock Z270 Gaming K4 motherboards Core i5 6500K processor Memory DDR4 Kit (2x8Gb) 16Gb T-Forze 3000Mhz MSI RX580 8Gb Armor Graphic Card PSU Cooler Master 850 Watt Modullar M.2 NVME Union Memory 256Gb 2TB Western Digital Purple HDD My computer currently has a condition, when it is turned on, it makes 3-3-3-3-1 (13x) beeps after that my computer restart. I have tried to turn it on by removing components such as VGA, M.2, and HDD. and I have also replaced it with new memory. but my computer still makes the same beep. please help me ..