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04-29-2018

United States of America

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Lenovo yb1-x91f doesnt turn on.

2018-04-29, 3:30 AM

My lenovo tablet doesnt turn on it, as I plug the charger, the light turns on and start blinking, I tried holding the power button but nothing happens. It is brand new no more than two months. can someone help me please

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295 Posts

11-19-2016

United Kingdom of Great Britain and Northern Ireland

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Re: Lenovo yb1-x91f doesnt turn on.

2018-04-29, 16:59 PM

The indicator light blinking means that it is charging.

 

I suspect your battery may have got very low. (Sometimes I think I've shut down my Yoga Book and the battery drains so I guess I didn't.)

I would try giving it at least two or three hours of charging  - or preferably ensuring it's fully charged - and then try booting up again.

 

I think some people would suggest  holding the power button down for 30 seconds -  but I think you'd still need to ensure the battery has some charge.

 

I don't really know for sure about this but I think the Yoga Book protects itself from the battery being completely drained by not switching on even when the charger is used when the battery is very low. (Other tablets do this as well.)

 

 

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5 Posts

06-18-2018

Saudi Arabia

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Re: Lenovo yb1-x91f doesnt turn on.

2018-06-18, 9:48 AM

Could I ask for help. Mine is not turning on and at the same time not blinking on the power led. What could I do about it?

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454 Posts

06-07-2017

Palestine, State of

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Re: Lenovo yb1-x91f doesnt turn on.

2018-06-19, 7:21 AM

 wrote:

Could I ask for help. Mine is not turning on and at the same time not blinking on the power led. What could I do about it?


Maybe a faulty charger? Are you using the original charger that came with your device? Try using your phone charger and see if the LED starts blinking. 

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5 Posts

06-18-2018

Saudi Arabia

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Re: Lenovo yb1-x91f doesnt turn on.

2018-06-19, 7:28 AM

I am using my original charger and tried to charge other gadgets to try if its working properly and it does. Luckily now its working i can open it. What happened is that my unit drained too much and i need to charge it for long. I tried to charge it on my macbook air and all of a sudden the power led starts to blink and i was able to open again the unit. The lesson I learned is never let this unit drained its power because it will be difficult to open and worst could damage the unit. I will never forget to shut down the unit properly specially when i am sleepy.. Lolz. 

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454 Posts

06-07-2017

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Re: Lenovo yb1-x91f doesnt turn on.

2018-06-19, 7:34 AM

Glad to know this was the reason. Just as I expected and wrote in your thread about the issue. I always charge when the device tells me to charge, never drain the battery. ?

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5 Posts

06-18-2018

Saudi Arabia

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Re: Lenovo yb1-x91f doesnt turn on.

2018-06-19, 7:39 AM

Now I will be careful about this. Thank you. 

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4 Posts

08-13-2020

Algeria

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Re:Lenovo yb1-x91f doesnt turn on.

2020-08-15, 17:12 PM

Guys could you please help me out.
My Yoga doesn't turn on no matter what. When plugging it in (original charger and/or other charger) blinking light goes on for approx. 20mns then off again as if it stops charging. 
Tried all said methods to turn it on but nothing worked so far. 
Before this happened, the device battery was very very low

 

:(

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295 Posts

11-19-2016

United Kingdom of Great Britain and Northern Ireland

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Re:Lenovo yb1-x91f doesnt turn on.

2020-08-16, 11:45 AM
You could try repeated short attempts at changing (lots of repetitions) and see if it will eventually start charging properly. Once it does give it plenty of time 'cos Yoga book charging is v. slow. This is referred to as step charging. The explanation is a bit complicated, I first came across it for the Blackberry Playbook but it may work on the Yoga Book. As I understand it: when the charging circuitry in the battery doesn't have enough power (from the battery) to operate properly it stops charging for safety. However each brief attempt puts a little power into it before it shuts charging off and this may build up enough to allow it to function again and so allow proper charging. (I'm not sure whether this will work on the Yoga Book but I've tried it on a couple of different devices including the Yoga Book and ended up getting the things working - but whether it was this, or just chance that did it, I was never quite certain!)
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454 Posts

06-07-2017

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  • Message 10 of 12

Re:Lenovo yb1-x91f doesnt turn on.

2020-09-02, 18:15 PM

Well my Yoga Book refused to charge suddenly no matter what I did. I tried different power adapters and cables without success. The LED was blinking as if it was charging but it never did. I fixed it by replacing the charging port which was actually the problem behind it not charging.

 

 I found the part on Ebay and I replaced it myself along with a brand new Halo Keyboard. Hopefully David's suggestion will work for you. If not, then the charging port could be the problem. 


Let us know how it goes 🙂

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