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)?
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