Black Screen nothing works to bring it back.

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  • Updated 1 year ago
My screen on my phone went black while I was on a game. I left it alone then held the power button till it turned off the turned it back on. Screen stayed black but the task and back buttons on the bottom lit up. Also tried taking out the battery and retrying same thing. BF said try letting the battery die off on its own and recharging to try again. Any ideas what could be the problem? The phones about a year old with no problems and it's a Samsung Galaxy s5 Neo I believe.
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Brittany Garland

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Posted 1 year ago

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Goran, Mobile Master

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If you already took the battery out it accomplished the same thing as draining the battery. Has it bee. A full year yet? You could use the warranty if not to get it repaired. But first try pulling out the battery and putting back in to ensure it is off and then had the volume up and home keys and then press power. Hold it for 15 seconds or so. It shouldn't take that long for the screen to turn on but just to be safe. If It still won't turn on, try downloading samsung smart switch and connecting to your computer and see if it can find if something is wrong. If still nothing at least you should have your phone backed up and try a factory reset via smart switch. Let us know if nothing works. You'll have to look at warranty claim if not and there's still time left on it or someone else can chime in on other things to try but let us know for now.
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Brittany Garland

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Taking the battery out and putting it back in doesn't drain the battery, just turns your phone off. And I mentioned I already tried the power hold and still nothing. I'll try the smart switch though and post the results.
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Chad Burr, Mobile Master

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While it doesn't drain the battery, it does remove any residual power from the device which may be keeping some glitch in the phones ram. Letting the battery fully drain doesn't do anything different then what you've already tried.
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Brittany Garland

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Samsung Smart Switch did not work. It said USB File Transfer is not allowed on my device unless I unlock my device and accept USB File Transfering, which I cannot do when I do not have a screen. Was also told to let the battery die on its own and recharge by a friend who fixes phones which is why I'm trying it. Anyways. Just gonna go into mall and talk to Koodo rep if it doesn't work.
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Allan, Mobile Master

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You can accomplish the same thing by taking the battery out and holding the power button for 10-20seconds. It's just a way to flush all the power out of the system.
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Goran, Mobile Master

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Hmm fair enough RE Smart switch. I'd give the Recovery mode a try still. I'm guessing that your friend and bf are used to non user removable batteries but it really does do the same thing as taking out the battery. I Repair phones in my spare time and have studied electronics engineering with a specialization in telecommunications if it'll help with you accepting my advice as something worth trying. Up to you of course. Bare in mind if you're not under warranty you'll be paying full price for repairs, and I personally am not sure about how expensive samsung is vs third party Repair shops but something to keep in mind in that case. Best of luck.
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rikkster, Mobile Master

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Another option is to try and put the phone in either Recovery Mode or Safe Mode. Since you don't have access to the screen, the method of getting into recovery mode uses a combination of hardware buttons. Putting the phone in Safe Mode allows the phone to load only the system apps. If the phone boots up in Safe Mode, a user app could be the cause of the problem. To exit Safe Mode, long press the Power button and select Restart.

The point behind all of this is to see if in fact the screen is at fault. If you can't see the Recovery Mode menu or there's no screen output when the phone is in Safe Mode, then there's a problem with the screen itself.

Safe mode
http://www.samsung.com/uk/support/skp...

Recovery mode - Hardware reset
http://ee.co.uk/help/phones-and-devic...
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Brittany Garland

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Koodo Rep sent it out for repair after trying all of what I tried and what was suggested here without figuring out what the problem is. Was told best case is something loose in the screen that just needs to be reattached but worse case is a phone replacement.
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Goran, Mobile Master

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I'm glad it looks like it's covered under warranty. If there's anything else you need in the future please don't hesitate to ask.