Asus N751JK turns on after power cable pluged (without button pressed)

Oct 10, 2018
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Hi guys,
Need some help :)
Bought used laptop with faulty keyboard. Some buttons did not work including power on button.
Somehow seller managed to made laptop boot automatically after power cable plugged, without power button pressed.
Yesterday i replaced keyboard and want to boot my laptop with power button. I think he did something in bios. Tried to update bios, but unsuccessfully. It need to be battery inserted. I've ordered one but it have not arrived so far.
I'm not so good in pc's, so maybe anyone of you know how to deal with it ?
Seller is out of contact now.
 

jay.wooster

Great
Sep 27, 2018
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0
90
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You should be able to shunt boot the motherboard on the laptop with a screwdriver but you will have to expose the motherboard hard drive and use a screwdriver to connect the two power pins that link to the power button and manually short them !!!

This link is for a video on a desktop but same applies for a laptop:

https://www.youtube.com/watch?v=FuPZlliGqBw
 

GforceD

Estimable
Jan 27, 2015
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4,510
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you shouldn't need to update the bios, you just need to boot in to bios and change the settings.
Depending on model you press F1 or F2 as soon as laptop powers on or when it prompts you (sometimes its very quick so just press the button a few times as soon as you plug in the power cable)
The option you want to change in bios should be something like
Power State : Off/On/Last Known State. Wording varies between makes but its normally pretty easy to find.
 
Oct 10, 2018
6
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Did not find that option in BIOS settings, but managed to solve the problem.
Problem was CMOS battery. After replacing to new one it solved.
Checked with multimeter, old battery was dead.
 
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