Galaxy TAB screen goes black and wont come back on - Galaxy Tab 3 Q&A, Help & Troubleshooting

My son's tab 3 screen will not awake and has to be reset to come back on. The screen comes back on fine when reset but if it left for a while it wont awake and I can hear the water sound the tab makes when trying to open the screen but it does not come on, has anyone any idea what could be the problem.

I have that occasionally too. What works for me is, press the power button after you hear the water sparkle sound, then press the home button again, and you should see the screen come back to life. Sometimes it takes two or three tries. HTH.

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[Q] Screen wont turn on after it turns off. ATT Tilt 2

Everytime I boot my phone up, it works fine up until when the screen goes into sleep mode. Once it goes into sleep mode I cannot turn the screen back on, it stays black. The keyboard, end and answer key lights show up when I press the power button but the screen just stays black no matter what button I press.
I end up having to either take the battery out or using the stick to press the reset button on the side in order to get the phone to where I can see the screen again. I have adjusted the settings to where the screen doesnt go into sleep mode and the screen just stays on but that drains my battery. I want to be able to have my screen go off so I can save power but if it goes off it wont come on again until I reboot.
I have done a hard reset. This problem started happening to me when I started using the Energy Rom but I've even flashed different Roms and the problem still exist.
Somebody please tell me what's wrong! I need help! This is a big annoying problem to have. Thanks.
is this problem occurring when you slide the keyboard out?
i had the t-mobile touch pro2 with this problem.
the screen would die when the keyboard was out and not come back.
if this is the case, what i did was...
well. obviously not open the keyboard fully.
but if i accidentally had.
instead of pulling out the battery, i waited...
till the screen 'naturally' went to sleep.
than i would pull out the stylus or press power button
and the screen would come on.
sh4d0w86.
sh4d0w86 said:
is this problem occurring when you slide the keyboard out?
i had the t-mobile touch pro2 with this problem.
the screen would die when the keyboard was out and not come back.
if this is the case, what i did was...
well. obviously not open the keyboard fully.
but if i accidentally had.
instead of pulling out the battery, i waited...
till the screen 'naturally' went to sleep.
than i would pull out the stylus or press power button
and the screen would come on.
sh4d0w86.
Click to expand...
Click to collapse
Yes the problem still exist even when I slide the keyboard out. Once the screen goes off, that's it....pressing the power button to get it out of sleep mode, sliding the keyboard, I press all buttons and nothing works. The only thing that "works" to get the screen back on is removing the battery or using the stylus to press the reset button.
When sliding the keyboard out the keys light up but the screen doesn't come on, also pressing the power button lights up the end and answer keys without the screen coming on.
themasterhook2000 said:
Yes the problem still exist even when I slide the keyboard out. Once the screen goes off, that's it....pressing the power button to get it out of sleep mode, sliding the keyboard, I press all buttons and nothing works. The only thing that "works" to get the screen back on is removing the battery or using the stylus to press the reset button.
When sliding the keyboard out the keys light up but the screen doesn't come on, also pressing the power button lights up the end and answer keys without the screen coming on.
Click to expand...
Click to collapse
so. whenever the screen goes out, period, you cant get it back?
or the screen goes out and cant get it back once you slide the keyboard out?
if it is only when sliding out the keyboard...
try not opening the keyboard fully on the right side.
on my rhodium, after that point, the screen goes out.
sh4d0w86.
sh4d0w86 said:
so. whenever the screen goes out, period, you cant get it back?
or the screen goes out and cant get it back once you slide the keyboard out?
if it is only when sliding out the keyboard...
try not opening the keyboard fully on the right side.
on my rhodium, after that point, the screen goes out.
sh4d0w86.
Click to expand...
Click to collapse
Yes, period. Also, you know when you put your face to the phone during a call and the screen goes off so your face wont press anything on the screen? It doesn't come back on from that either once I end the phone call, it just stays black. I'm assuming you don't have any other suggestions. This Sucks
themasterhook2000 said:
Yes, period. Also, you know when you put your face to the phone during a call and the screen goes off so your face wont press anything on the screen? It doesn't come back on from that either once I end the phone call, it just stays black. I'm assuming you don't have any other suggestions. This Sucks
Click to expand...
Click to collapse
: / sorry. i am unsure.
maybe you have a lose connection?
sh4d0w86.
This has to be a software issue but I don't know where to start. I'm surprised nobody else has encountered this problem. I've grown frustrated of this issue because I don't understand why it's doing this. I have had the phone for almost 6 months only dropping it once 4 months ago and it wasn't a strong damaging drop that would affect anything inside. I guess I'll just have to go last resort and call warranty to swap the phone out. Thanks for the help.
Same problem
themasterhook2000 said:
This has to be a software issue but I don't know where to start. I'm surprised nobody else has encountered this problem. I've grown frustrated of this issue because I don't understand why it's doing this. I have had the phone for almost 6 months only dropping it once 4 months ago and it wasn't a strong damaging drop that would affect anything inside. I guess I'll just have to go last resort and call warranty to swap the phone out. Thanks for the help.
Click to expand...
Click to collapse
My phone also dos not come back on, when I put it in out the sreen with the power button on top, or when the phone goes to sleep. Nothing can put it back on(opening te keyboard, pulling out the stylis, presing the answer-, windows-, back- and end button). I and up using a music players too keep the phone busy what's makes it operational. Cant really remember when this started happening exactly. My phone is at the moment loaded with a standard ROM. I used too have a custom ROM.
My TP2 does this too, although I only encounter the problem sometimes when someone calls. I answer and put the phone next to my ear, the screen goes black as it should and the phone just dies. I can't hear what the other person is saying and the screen wont turn on anymore. I have to take out the battery to reboot.
set light sensor to manual in settings. You have some bad or fragmented code causing the problem. Pretty common actually, many different reasons, but usually either a bad light or proximity sensor or software issue. Setting the sensor to manual should do it, if not, hard reset and allow the phone to fully set up before touching it, to allow full customization process to complete. Search my posts on SOD (sleep of death) for more information.
Funny this was brought up. Now im worried I just dropped 250.00 and have a new one coming.
Mine started with the ear piece quit working. couldnt hear anything except on speaker.
Anyway I started having the screen issue over a month ago, only way to get it back was soft reset with the stylus. Also when the screen was lit, I couldn't hit the power button to turn the screen off. At times the screen would be on 24/7 and I just dealt with it. The times when it decieded to go to sleep was when I needed the soft reset. Well long story short I forgot my charger one day at work and the battery died. after pressing the power button for hours with no response, moving the screen in all diffrent directions as I pressed the button.It came on once after hrs of messing with it. Well today it died again and I am fed up with it so out came the tools. Once I opened it up I noticed the ribbon that feeds the screen from the mother board was worn and torn. the ribbon slides everytime the keyboard is slid out and it rubs on both sides of the phone. I thought maybe mine was just a fluke and was installed wrong considering the phone being 10 months old but now I read this and see maybe its a common problem. The cheapest I could find the Ribbon was 56.00 so I didnt want to chance it not being the issue.

[Q] phone screen pixelated

ok just bought my phone but when the screen is on after couple seconds it gets black i press the power to lock the screen then press the power button again an the screen gets dark pixelated with pixels i cant see anything the phone is working beneath but i cant see anything after pressing the power button it sometimes comes back on then gets back dark after couple seconds tried fatory reseting then it stayed good for about ten minutes an then back to the same way can anyone help me is it a software problem or hardware problem the phone is running 4.4.2 tmoblie wat should i do
lackdon said:
ok just bought my phone but when the screen is on after couple seconds it gets black i press the power to lock the screen then press the power button again an the screen gets dark pixelated with pixels i cant see anything the phone is working beneath but i cant see anything after pressing the power button it sometimes comes back on then gets back dark after couple seconds tried fatory reseting then it stayed good for about ten minutes an then back to the same way can anyone help me is it a software problem or hardware problem the phone is running 4.4.2 tmoblie wat should i do
Click to expand...
Click to collapse
If you just purchased the phone why not simply return
it to tmobile for an exchange, that's what I would do.
Good luck!

[Q] In call screenlock possible?

My old Note 2 turned the screen of while a call was in progress but the Note 4 doesn't and I can't find a setting to make it happen. Anybody know if it's possible to get the screen turned off during calls- and if so, where do I find that setting?
Thanks!
It looks like that setting is now removed. Might be due to the fact Samsung is trying to market the phone to a wider market.
But you can turn off the screen with the power button.
Or if you have a flip case it will turn off the screen like how it does with proximity sensor. There was a proximity option in the note 2 as well they seem to have removed that too.
Thank you- appreciate the info! Wish they woulda left that stuff in but I will train myself to power the screen down now.
That is strange, my Note 4 shuts the screen off when I am on the phone..
Mine as well.. just tested.. called my phone and answered. While the call was active i put the phone to my ear and then pulled it away. When the pho e was withing 2 inches or so to my ear the screen shut off. When i pulled it away from my ear i could see the screen come back on. Tried multiple times with same result.
I never paid attention to this feature since I always had it with my previous phone and with the Note 4 it wasn't an issue for the first couple months. So it must've been activated but now it is not. Gotta find that mystery setting!
I find that if I have Bluetooth connected, the screen will not turn off in-call. But the screen will turn off in-call if my Bluetooth is not connected.
Sent from my SM-N910T using Tapatalk
I changed nothing and the screen is locking now. I got no explanation for that.
I'm having the issue where my proximity sensor appears to just not be working.
I can lay the phone on a table and make a call out. The second I hit call the phone goes black. Take my hand away, nothing. The only way to bring the screen back up is to press the home or power button. Problem there is, the screen never blacks out. I can put my hand over the sensor, nothing. Unless I hit a button again.

Why is my Lg g3 screen stuck on a gray screen?

iv'e had this phone for not too long and well everything is just fine, love the phone but this happened today after i got back from school i was feeling the phone in my pocket, but i didn't know that i was actually touching the phone and when i pulled it out it was stuck on this dark gray screen with a small white/light gray camera icon at the bottom. i don't know what this is, but i can still charge the phone, i can listen to music via pressing the play button on the headphones, if i hold the power button i can feel and hear the option to turn off the phone, but nothing happens i can turn the phone on and off i can also turn on the phone using the knock code so i know my touchscreen still works. please help, thanks in advance apparently i can screen shot it as well

Weird problem with screen/power button

Background -
I bought this OnePlus 5T with a smashed screen to fix.
Paid 70 bucks for it plus the screen is just shy of 150 in total.
I was able to replace the screen and frame which was a little more complicated than I anticipated, but it ended well and the phone seems fine, although the screen quality isn't as good as stock.
***Problem - it seems that for unknown reasons, after turning off the screen pressing using the power button, screen becomes black and won't turn on, not until i hold the power button for ten seconds and restart the phone the hard way. Then the phone turns on and starts working again, but if I turn the phone off with the power button then it won't turn on again. I can tell the phone is working behind the black screen, vibration working, notification light working. But Everytime I turn the phone off with the power button I have to hard reboot the phone to get it back on again. Once this starts happening I have to factory reset to get the power button functioning normally again. It will work normally for a day or two and then out of no where the issue comes back again after pressing the power button - screen won't turn on.
Could it be software? I know it might be natural to suspect the screen is faulty, but the screen works normally until I use the power button to turn it off, and then works normally again for a couple of days after a factory reset ...
Thoughts ?

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