Note 4 black screen problem - Galaxy Note 4 Q&A, Help & Troubleshooting

I have been having a problem with my note 4. When ever the phone is powered down and powered back up it reboots normally. I see my lock screen and everything is fine. The problem is when the phone locks either by the power button or just by screen time out. It stays a black screen even though i can swipe my my finger and hear it being unlocked. They only way to fix it is to take the battery out and reboot it then everything is good until i lock it again. Any help would be appreciated thank you.

Sorry me again just wanted to ask another question. I rooted my note 4 after this problem started happening. I used cf-auto root so from what information i have seen im still running stock recovery justed rooted. I was wondering can i flash a Samsung software upgrade without any problems. My problem with the black screen started after an software update so i wondering if i could flash and reinstall the update to see if that fixes my problem. Once again thanks in advance for your help im just trying to save my phone and hoping its not a hardware issue.

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Power button and boot problems

Hello friends. I have a problem with my Samsung i9500 Galaxy S4. The thing is I can not use the button of power on or turn to lock the screen because the phone is turned off or rebooted and the Samsung logo appears, then it looks like is about to initialize but then reappears Samsung logo. The only way I can turn on the phone is by pressing the buttons of recovery mode and after about 3 attempts, the phone starts normally. I have the stock Rom 4.3 Jelly Bean. On the other hand this started since I took out the SD memory. I have reinstalled the ROM again and continued doing the same. No it may be. I think it is a problem in the boot but I can not solve it. I can not lock the screen with the power button because the phone turns off. I hope you can help me. regards
Elvin_89 said:
Hello friends. I have a problem with my Samsung i9500 Galaxy S4. The thing is I can not use the button of power on or turn to lock the screen because the phone is turned off or rebooted and the Samsung logo appears, then it looks like is about to initialize but then reappears Samsung logo. The only way I can turn on the phone is by pressing the buttons of recovery mode and after about 3 attempts, the phone starts normally. I have the stock Rom 4.3 Jelly Bean. On the other hand this started since I took out the SD memory. I have reinstalled the ROM again and continued doing the same. No it may be. I think it is a problem in the boot but I can not solve it. I can not lock the screen with the power button because the phone turns off. I hope you can help me. regards
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It happens the same problem as you, could you fix it?
Elvin_89 said:
Hello friends. I have a problem with my Samsung i9500 Galaxy S4. The thing is I can not use the button of power on or turn to lock the screen because the phone is turned off or rebooted and the Samsung logo appears, then it looks like is about to initialize but then reappears Samsung logo. The only way I can turn on the phone is by pressing the buttons of recovery mode and after about 3 attempts, the phone starts normally. I have the stock Rom 4.3 Jelly Bean. On the other hand this started since I took out the SD memory. I have reinstalled the ROM again and continued doing the same. No it may be. I think it is a problem in the boot but I can not solve it. I can not lock the screen with the power button because the phone turns off. I hope you can help me. regards
Click to expand...
Click to collapse
Upgrade to Kitkat! Or you can flash stock 4.3 OR a factory data reset may help. Try n reply.

Black lines on the screen

I messed up with my LG G2 D802 and i need help because i believe it's a software problem.
When i was installing the latest cm12.1 nightly, after trying a few other roms, i also installed, by mistake, an old jb bootloader/bootstack.
As result the phone entered in Bootloop, but not a normal bootloop, on the screen start appearing some crazy interferences and then the phone boot up, but the screen not. The phone made sounds and the touchscreen work, but the screen was black/off.
I've managed to solve the problem with an unbrick method, but now i have a huge problem: the screen, on the rigth side, from the top to the botton has 6/7 black lines. I have no idea how to solve this and if is a hardware problem ... I've read it's an kernel problem, not hardware, but don't know how to solve the problem :/
Picture:
https://meocloud.pt/link/58d13900-ffa8-4114-8957-8c4b973bad1a/IMG_20150916_020454.jpg/
I feel your pain
Hi mate
Same thing happened to me.
Background info: I had successfully upgraded to CM12.1 , was running fine for a few days then I wanted to update my TWRP, updated the recovery and just went to check that I had OTG cable support then boom, boot loop.
It didnt just loop it just loaded loaded loaded, then the screen made some funny sounds. and then shut down. I hard reset to recovery and reinstalled CM12.1 and was able to successfully exit the loop. but damage to screen had occurred in the exact same place, and method right side of the screen.
Tried rinstalling original jellybean software from my backup. no success, and also flashing other versions of CM12.1 nothing.
After some research I saw that this is a manufacturing fault and that this occured quite often. it appears that the best solution is to buy a new screen as it is the actual hardware that is damaged in the screen digitizer. I might be wrong, and I pray that I am because I want to fix it too. in the end I just bought a new note 4 (not note 5 as i wanted SDcard storage). Phone was 2 years old and a new screen costs a fortune. But i miss my little G2 and its super fast speed and simpleness. :crying::crying:
If someone else has the solution to this problem on the forum we are all ears.

Very strange booting problem with my samsung galaxy S5 (SM-G900F)

Hello,
I hope someone can solve this problem for me. On a day i wanted to check my phone and I saw only the logoscreen of samsung. My first reaction was to pull the battery out and put it back in. So I restarted my phone but it was not going further dan the logoscreen of samsung and always kept restarting automatically. The very strange thing is when I remove the battery for more than 15 minutes and than put the battery again in the phone and push on the power button it starts with no problems. When the phone is completely started and I restart the phone manually the problem comes back again and the screen is not going further than the logoscreen of samsung and keeps restarting all the time automatically. The phone is 2,5 years old and I used it daily
What I already tried to solve the problem:
- Reset factory settings and wipe cache partition with the "power, volume up and home button"
- Installed firmware from sammobile with odin (firmware completed but still automatically restarting at logoscreen)
- Blew the powerbutton with air
- Rooted the phone with Kingo Root
I hope someone can help me? Dont know what I can do more
Root the phone properly instead of using kingoroot
*Detection* said:
Root the phone properly instead of using kingoroot
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The problem with rooting is that it sometimes has to restart the phone and then I have to problem again that it is not going further than the logoscreen. How do you root? Do you have a guide?

Note 3 SM-N900L bootloop issue

hi guys..so I was using phronesis rom on my Korean note 3 with custom kernel..when I used to turn the phone on it to say set warranty bit kernel on the top and used to get stuck at the logo then I would remove the battery and turn it on again and it would turn on..but yesterday my phone turned off automatically and was stuck in bootloop.it was not booting into twrp..so I flashed stock rom via odin but the bootloop was still there and I can not boot into recovery it would just restart and go back to booting normally and again bootloop..but if I remove the battery for a few minutes and then turn it on it works fine until i turn it off..now
thanks in advance.
Axad101 said:
hi guys..so I was using phronesis rom on my Korean note 3 with custom kernel..when I used to turn the phone on it to say set warranty bit kernel on the top and used to get stuck at the logo then I would remove the battery and turn it on again and it would turn on..but yesterday my phone turned off automatically and was stuck in bootloop.it was not booting into twrp..so I flashed stock rom via odin but the bootloop was still there and I can not boot into recovery it would just restart and go back to booting normally and again bootloop..but if I remove the battery for a few minutes and then turn it on it works fine until i turn it off..now
thanks in advance.
Click to expand...
Click to collapse
From what I can tell, a possible issue you could have is with the battery. I used to have this problem, my phone would re-start for no apparent reason, couldn't even get to recovery. I switched the battery for another and it worked again. So maybe you could try that
ShaDisNX255 said:
From what I can tell, a possible issue you could have is with the battery. I used to have this problem, my phone would re-start for no apparent reason, couldn't even get to recovery. I switched the battery for another and it worked again. So maybe you could try that
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thanks for the reply sir..i will give it a shot and would let you know ASAP..
Got a sm-n900k last year on vacation and same problem please someone help fix this!!!!!
Leontina said:
Got a sm-n900k last year on vacation and same problem please someone help fix this!!!!!
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Well buddy in my case it was not a battery issue..and after few times my phone is not even turning on its dead..:crying:

Screen turns on only in the xiaomi logo.

Hello today a screen replacement i ordered in aliexpress arrived and i did change it carefully (i did this process 2 times 1 in my phone and another in a cousin mi a1. No problems).
The thing is... after this i turn on the phone and the screen turns on but only until rom starts to load and then it comes black as if it wasn't turn on. The screen turns on also in fastboot mode but instantly shutdown when entering to recovery mode or normal boot as i said. The phone is working properly the rom loads and there is notification sounds and touch is working too.
If anyone can help me please. The only thing i can thing of is that the screen came with some strange malfunction.
EDIT: I flashed stock rom with flash_all and got the screen and everything working fine. I then tried again to flash a custom rom as i had before and screen failed to turn on again. Then i flashed stock kernel just to try if was it the cause and after this screen worked fine again but i lost wifi and probably there is other issues because of the stock kernel on a custom rom. I don't know if it may be because a different display driver or a kernel setting that may cause this malfunction. Hope someone can help me to solve this as i really want to use a custom rom.

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