Akoya P6645 doesn't boot

[Bazz]

Hello guys and thank you for your help.

My problem: I connected an external CD to the USB 3 port that I (wrongly) powered with a 12v and the laptop stopped working immediately. 

The power button LED stays on, but nothing happens. The Laptop is the Akoya P6645.

I tried to reset it, but nothing appears to work.

Did I just burn the motherboard? 

And another question not related with this problem: After updating the laptop to Windows 11, the WiFi stopped working and I have to use an adapter. How do I fix this (If somehow I manage to get the laptop working again)?

[Fishtown]

Hello @Bazz  and welcome

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@Bazz  schrieb:

My problem: I connected an external CD to the USB 3 port that I (wrongly) powered with a 12v and the laptop stopped working immediately. 

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I can't even imagine the constellation of connecting an external CD drive to a USB port.
Can you please post a photo of it here where you can see where which cable is connected?
and how do you come to the conclusion that the 12volt is connected incorrectly.

bye Fishtown