Laptop shut down when screen is moved and keyboard malfunction

My son's laptop suddenly started having problems with no obvious physical damage. The keyboard had no keys working and it will only boot up when put in a tent position at greater than 180 degrees. It will work by touch screen then but not the keyboard.

When you bring the screen to about 190 degrees it will shut down every time so you can not lay it flat and extended.

It is out of warranty by a few months and Lenovo will not take it back for a paid repair.

Any thoughts on what is causing the problem or how to trouble shoot it? I am comfortable with desktops no so much here but do not have a good alternative.

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Thanks for the suggestions but I figured it was the keyboard, so I removed it.

I went ahead and followed a link to a lenovo service site, , which was for a flex 15 but close enough.

I removed the back and the three screws holding the keyboard in, 2 are obvious but one was hidden under a ribbon cable to the usb ports. I pushed on the board and it popped out, used a plastic tool to get it out fully as per the video.

When I removed the keyboard, put the back in place, attached the battery and usb keyboard and mouse it booted up fine. I just have to order a replacement keyboard probably directly from china as its much cheaper, just takes longer.

Hope this helps someone else.

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I just received and installed the new keyboard from China. It took 35 days to arrive in Canada with the free shipping. It works great. I got part number 25211140 while the original was 25211148. It is English while the original was bilingual French/English. There are many different model numbers depending on the country of origin, but they will work, compare pictures first. Total cost CAD $20.15 from WishingDeals on


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There are a few possible solutions on the form below you may want to try

Hope this helps

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Thank you, but it isn't a touch pad problem. The flex 14 extends back to about 300 degrees not 360 like the Yoga. In this kiosk mode, I can use the laptop via touch screen and usb mouse and keyboard. When I bring the screen to about 200 degrees the laptop shuts down every time, same location. It would seem there is a hardware connection problem at the hinge but only past 200 degrees or the keyboard is faulty and is shutting down the system

It is 6 months out of warranty so Lenovo will not fix it, I do not have a local dealer and I tried a dealer in another province and they will not accept it by mail.


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Hi Fred

Have you checked that there are any suitable options in Control Panel >Power Options> Change Plan Settings > Change advanced power Settings > Power Buttons and Lid

You don't say what OS you are using but there is also an updated (select your OS version) Lenovo Energy Management driver for Win 10 (dated 11.17.2015) plus on the same page is a run diagnostics program which checks out hardware and software problems. Hopefully this may be of some help. Apologies if you have been here.

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Fred B will be eternally grateful.
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