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Seefiedler
Paper Tape
Posts: 2
Registered: ‎10-06-2019
Location: DE
Views: 150
Message 1 of 3

Magnetic interference with smartphonecase/ Black screen

Laptop: X380 Yoga Thinkpad, Windows 10,

There are no Problems found with any Virusdetector and the Laptop is only half a year old.

The Problem is:

When moving my Smartphonecase (magnetic case) with or without the phone inside, to the left of the touchpad, where the Sticker (Intel Core i7) is and right at the moment when the phonecase touches the laptop, the screen goes black and when puting the phonecase away the screen goes on again. When holding it to long at the spot, the laptop even shuts down...

 

This is probably a bigger issue and I will try to contact someone directly.

but maybe someone has an idea. Or you can see if you have the same issue...

Community SeniorMod
Community SeniorMod
Posts: 7,406
Registered: ‎01-13-2008
Location: US
Views: 140
Message 2 of 3

Re: Magnetic interference with smartphonecase/ Black screen

Hello and welcome,

 

Not sure this is a big issue at all.  Have a look at the HMM pgae 70: 

 

https://download.lenovo.com/pccbbs/mobiles_pdf/x380yoga_hmm_en.pdf

 

The location you describe sounds like it's right on top of the hall sensor  that detects the presence of a magnet when the display is closed.  My guess is that the magnet in your phone case fools the laptop into thinking the lid is closed and it blanks and then sleeps or shuts down.

 

Z.


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Seefiedler
Paper Tape
Posts: 2
Registered: ‎10-06-2019
Location: DE
Views: 99
Message 3 of 3

Re: Magnetic interference with smartphonecase/ Black screen

Makes sense.

Thank you very much, that is a big relief.

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