Flashlight wont turn off and black screen - Android Q&A, Help & Troubleshooting

So my problem began when i was returned a phone that was supposed to be sold for a friend. All was fine and dandy until my girlfriend noticed this light shining out from the depths of my jacket pocket, and what i found was said phone, with a black unresponsive screen as if the phone is powered off and wont power on, and its front led flash blinding me and everyone else in the room. Since i couldnt get it to turn on im unable to turn the light off, so i removed the battery and was quite pleased when the burning bright light finally was off. Aaaaaannnnnd way way LESS pleased when i put the battery back in its home only for the vile, invasive, and rude, light to turn back on as well. Any ideas? This isnt my phone and i need to return it sooooo.... Yeah

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Hello,
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[Q] Dropped Evo 3d.. Won't turn on

Yesterday, my phone fell (not very hard, onto a carpeted floor). I picked it up and put it in my pocket without looking.. When I went to check my phone, it was off. I tried to turn it on, but it would only go to the HTC screen, then the screen would go black but the home icons would be lit up. I took the battery out and let it sit for a couple of hours. Tried to put it back in and the phone wouldn't turn on at all. I put it on the charger, it turned red for about 5 seconds, turned off, then repeats. If I try to turn the phone on, the LED light blinks a very dim red for 2 seconds then stops. I can't even hold the volume button and the power button, it just blinks the dim red. As far as I know, it is not rooted. I got it second hand about a year ago after my phone got stolen. I have never had any problems with it other than the camera.. It just stopped working eventually. Help?
Anytime you drop the phone, even if it wasn't a hard hit, it can damage something on the main board, which could be your problem. However, since you say the led is very dim red, that is a sign that the battery itself is damaged and won't charge. I would try to get a cheap battery off ebay to see if that's the problem.
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Big problem with my atrix, display or motherboard?

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[Q] Screen has a dim glow, no recovery, fastboot

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While Charging (Switch Off) screen still keeps a bit lit up.

I switched off my device connected it to the charger and turned off the lights, when i came back i saw screen is a bit lit don't know why it's not completely off. you can see it from far away also.
Can someone confirm? whole screen leaks light while charging it switched off in the dark room from various angles.

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