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hi please check the pin number 8 on bios chip to make sure the voltage is ok (power siquence untill read bios)
hi chek this method I test it ok
you should check a new keyboard to make sure the problem is about keyboard or mainboard
Hi
hi I have a lenovo z510 (nm-a181 rev:1.0 ) it shut down randomly when its plugin but on battery it works good. -i test it with original...