Sorry for the slow reply due to the Lunar New Year holiday and any inconvenience this may cause.
Could you please share the following information to let us better understand your sanario?
- the current BIOS version used and the content of the setting in BIOS (or whether it is the default)
- the brand and model name of the CPU, DRAM, GPU, and PSU currently installed
- the OS version and OS build
- troubleshooting methods have been tried
- screenshot of any error message, if any
Meanwhile, it is recommended that you refer to the troubleshooting below fist.
[Desktop PC/Motherboard]Troubleshooting for Auto shutdown/ Auto reboot / the screen displays blackhttps://www.asus.com/support/FAQ/1015440/
[Motherboard] Troubleshooting - No Power/No Boot/No Displayhttps://www.asus.com/support/FAQ/1042632/
[Motherboard] ASUS motherboard troubleshooting via Q-LED indicatorshttps://www.asus.com/support/FAQ/1042678/