Right side of the display is dark - Lenovo K900

my k900 has a problem.. right side of the display is dark but touch screen is working .. when i touch it starts showing matrix like digits ,, any idea??

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[Q] Horizontal White Lines

Hi, when i turn off my auto brightness and set it to low and the background is white , i can see 2 strange horizontal lines in it.
Should i send to custumer support ? or maybe its normal ?
When brightness is on medium or high it disappears.
Could be because of custon kernel or Rom ?
I take a picture tho show.
http://lh3.googleusercontent.com/-FAUqfyzaThk/T01mI8a6qAI/AAAAAAAABbI/jEnfj9cA4WM/s640/DSCF6960.JPG
I have read that AMOLED screens have several flaws that are imperceptible, an example are screens with yellow

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Have a nice day.

Touch Screen (Digitizer) to Screen Display Mapping Issue

Hello
I just replaced the touch screen of my generic 9inch Android Tablet running on Jelly Bean. I couldn’t get the genuine one so I just bought a compatible one: The screen works BUT it doesn’t properly map the co-ordinates on the Display. Bottom and the sides are OK but the top (about 1 inch in landscape mode) has no response. The screen is all working : The bottom matches fine but as you swipe upwards you can see that your finger touches a higher point which matches a slightly lower point on the display. When your finger reaches the top …the matching map becomes about 1inch bellow on the display.
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