in this case, the keyboard cable fleksible was broken , so i figure out how to turn it on without keyboard .
you can use this 3 item
1. Cable
2. Cutter
3. Nail
etc.
and remember to touch the mettal side of the motherboard first ,if it not it will not gonna work .
ask something in the comment
thx.
Негізгі бет Turn on Laptop Thinkpad T420 without Power Button
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