Unreliable Power-On-Behaviour / jetson orin nx 8

I experience unreliable power-on-behaviour with a Zed box orin nx8.
Sometimes its not booting when i give it power. Then i disconnect from power, connect again and repeat till it boots.
It also makes a very high frequency noise sound , around 14khz i would say by hearing. Its very annoying for work and i wonder if there is any problematic friction in the Computer happening. Maybe the Computer is damaged…

Any experience with that ?

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