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Could a cell phone cause pixel damage to my laptop?

So, one night last week, I set my cell phone on top of my closed laptop overnight. The laptop was off, the cell phone was on.  The next day I had a "scribble" in my screen. At first it appeared to be blue and red, or blue, red and green. I tried cleaning it off before realizing it was pixels. Now after several days, it no longer appears colorful.. it's all black.

Did the cell phone damage the screen?

 screen
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Missus Miss_Sellaneus
Asked:
Missus Miss_Sellaneus
1 Solution
 
John HurstBusiness Consultant (Owner)Commented:
No. I have never seen such a thing happen. LCD crystals don't get affected that way.

It would appear that you did some physical damage in some way (black spot). What else did you do to the laptop?  Can you remember?

... Thinkpads_User
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Missus Miss_SellaneusAuthor Commented:
No, I'm 99.999% sure that nothing at all touched the screen or anything the day before. It just seems like it wasn't there one day and then the next day when I turned it on, there it was! And like I said, it wasn't black at first, it was colorful. Now it is black.
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WebDevEMCommented:
I've never heard of a cellphone causing that type of damage, but I have seen laptops with similar symptoms.  After talking to the owner for a while, it turned out they closed a mouse between the screen and keyboard to carry the laptop and broke the screen that way.  The colored/black spot was where the video signal wasn't able to light the screen due to physical damage.
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Darr247Commented:
If you throw it at the screen hard enough it will cause the damage shown in the picture.
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