Lots of vertical lines and then screen went white. Bad LCD?
I'm trying to diagnose a iPad mini 2. My son brought me his iPad with the screen showing lots of multicolored vertical lines. I could still see the background and apps and could still use the iPad normally despite difficulty seeing full detail because of the lines. He said maybe he had dropped it but there was no obvious damage to the outside.
This lasted maybe half a day before the screen went completely white. It seems like everything was working normally but whenever the screen was activated with the home button or if I restarted it the screen would glow white as if working normally, but no image.
My first guess was a dislodged display connector so I tried tapping the back and corners of the case. This didn't seem to do anything. I'm a glutton for punishment so next I decided to visually check the connectors and disassembled the screen to see if something came loose. After re-fitting the cables though the iPad appears to behave the same way. No improvement and nothing obviously loose or damaged.
Now I'm wondering is this a failing LCD screen or some other problem? This doesn't seem like the usual "white screen of death". I'd love any help or ideas!
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