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What's DOS?
Posts: 1
Registered: ‎05-31-2017
Location: JP
Views: 637
Message 1 of 3

Lenovo Ideapad 100-15Iby couldnot power on

I tried different methods from internet had suggested but its still the same

Non of the led light up 

removing the power source and holding power key for 30 sec  and connecting back to power source didnt work at all but

When power button pressed for 20 sec with ac connected and leave the battery led light up for about 4 second(white Light) then nothing happens what might be the problem??????


Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 574
Message 2 of 3

Re: Lenovo Ideapad 100-15Iby couldnot power on

Hello Taroog

Thanks for using the Lenovo forums.

 If these steps do not work I would recommend, that you call your local Lenovo support line for a possible service. Below is the link to the phone list where you can find these numbers


Hope this helps, let us know how you get on.

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Pesszimistának lenni a legjobb, vagy igazad van, vagy kellemesen meglepődsz...
Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 572
Message 3 of 3

Re: Lenovo Ideapad 100-15Iby couldnot power on

Do this test -


1) Switch off the laptop.

2) Disconnect power supply. Keep the battery connected.

3) Try to Turn ON the laptop.


If the laptop does not turn ON, the battery is faulty.

Also, Try turning the laptop off, removing the battery, unplug the AC adapter, press and hold the power button for thirty seconds, install the battery back into the laptop but don't connect the power cable and try to start the laptop on battery power. 

Make sure when you are plugging the cord in for the laptop that you plug it in the normal orientation as if it still had the grounding plug so you don't reverse the polarity of the socket. I don't think it should affect anything, but it's probably better to just keep it plugged in correctly.


Update us how it goes.







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