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only the middle led (battery) is on. 19V input ok. Pin 8 of the memory with 3.3V ok. I'm thinking that just recording the CMOS memory for the notebook to come back to life because it was only after the SSD card was inserted that the notebook no longer turns on.

the defect of the notebook is in the power key that is defective, it could be the power key (which is part of the keyboard) or the bios. In this case the problem was the defective key. I connected pin 29 of the keyboard connector to the ground for the notebook to work again.

I found that the power switch is defective and therefore the notebook will not turn on. The key is on the keyboard itself. Is it possible to remove the key and put a good one in place? How to make ?

better replace the keyboard with a new one

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Ремонт любой электроники тел.:+79609672267

I managed to do a complete test on the motherboard and also on all keys on the keyboard just by finding the power key with problem (on-off key that is part of the keyboard). The other keys on the keyboard are fine.

remove the power button
split the film
clean the contact stain
ring the track

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Ремонт любой электроники тел.:+79609672267