[Q] Galaxy s4 screen not turning on - Galaxy S 4 Q&A, Help & Troubleshooting

Hi people. i need help! all of a sudden led screen of my gt-i9500 whet dark. the phone is turning on and working. i can unlock my phone by drawing my pattern code and i the phone vibrates when i draw the pattern and i know touching is working. soft keys also are also working. but the screen is completely black. i thought that it can be software issue so i tried to boot into recovery and download mod. recovery mod shows nothing. but when i boot into download mod, sometimes there is a sudden green flash and sometimes the text and the android logo appear for like a second or less, in a very low brightness and then turns completely black again. so i guess it is not burnt. is there something i can do? please help me!!

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[Q] Black screen on samsung galaxy tab 4 problem

I appreciate any responses anyone has to help
Ok so i have my sisters samsung galaxy tab4 ( sm-t230nu ) which she brought to me today.
Her screen went black, lights up and all but it stays black in color. Up down volume buttons work and u can hear them working, power button works, turns screen on and off, TOUCH SCREEN WORKS, on certain areas u can hear the noise it makes when u tap on the screen and apps. I pressed the power button alone for it to restart, it restarts but does not show samsung tab logo or anything at all just lit up black screen. I even went on YouTube to memorize the hard reset sequence of buttons u have to press in order to complete the reset and i did manage to hard reset. But screen is still booting up on a lit black screen. I removed the back cover, unplugged the battery and tried booting it up and still nothing. BTW its full factory, no root roms or anything of the sort. I need help on what could be the problem. Only thing i believe might have caused this was a recent update on the system. My sister said a few days ago it gave her a notification about it and she clicked on yes. I dont know what version of android it had nor which it had updated to. Please help. Tablet is not that old. Thanks. If anything email me directly at [email protected] thanks
Norbertoortiz said:
I appreciate any responses anyone has to help
Ok so i have my sisters samsung galaxy tab4 ( sm-t230nu ) which she brought to me today.
Her screen went black, lights up and all but it stays black in color. Up down volume buttons work and u can hear them working, power button works, turns screen on and off, TOUCH SCREEN WORKS, on certain areas u can hear the noise it makes when u tap on the screen and apps. I pressed the power button alone for it to restart, it restarts but does not show samsung tab logo or anything at all just lit up black screen. I even went on YouTube to memorize the hard reset sequence of buttons u have to press in order to complete the reset and i did manage to hard reset. But screen is still booting up on a lit black screen. I removed the back cover, unplugged the battery and tried booting it up and still nothing. BTW its full factory, no root roms or anything of the sort. I need help on what could be the problem. Only thing i believe might have caused this was a recent update on the system. My sister said a few days ago it gave her a notification about it and she clicked on yes. I dont know what version of android it had nor which it had updated to. Please help. Tablet is not that old. Thanks. If anything email me directly at [email protected] thanks
Click to expand...
Click to collapse
Have you tried getting into recovery or download mode? If those show, it's likely fixable. If you can get to recovery mode, it usually shows what firmware is on it. If that works, trying using ODIN to reinstall that firmware in download mode. If not, it sounds like a hardware problem. If it's not that old, it may be under manufacturer warranty still. Good luck.
Try to reseat the LCD cable, if it doesn't work, you may need to change the LCD. Search Ebay for LCD only or full LCD assembly if you're not comfortable to take out the touchscreen.
https://www.youtube.com/watch?v=aHdh9AITqII
Full LCD assembly
http://www.ebay.com/itm/OEM-SAMSUNG...383?pt=LH_DefaultDomain_0&hash=item4199c6da9f
LCD only:
http://www.ebay.com/itm/Replacement...384?pt=LH_DefaultDomain_0&hash=item2a5057fe10
Norbertoortiz said:
I appreciate any responses anyone has to help
Ok so i have my sisters samsung galaxy tab4 ( sm-t230nu ) which she brought to me today.
Her screen went black, lights up and all but it stays black in color. Up down volume buttons work and u can hear them working, power button works, turns screen on and off, TOUCH SCREEN WORKS, on certain areas u can hear the noise it makes when u tap on the screen and apps. I pressed the power button alone for it to restart, it restarts but does not show samsung tab logo or anything at all just lit up black screen. I even went on YouTube to memorize the hard reset sequence of buttons u have to press in order to complete the reset and i did manage to hard reset. But screen is still booting up on a lit black screen. I removed the back cover, unplugged the battery and tried booting it up and still nothing. BTW its full factory, no root roms or anything of the sort. I need help on what could be the problem. Only thing i believe might have caused this was a recent update on the system. My sister said a few days ago it gave her a notification about it and she clicked on yes. I dont know what version of android it had nor which it had updated to. Please help. Tablet is not that old. Thanks. If anything email me directly at [email protected] thanks
Click to expand...
Click to collapse
If tab has warranty claim warranty. I think this is a hardware issue.

I think I flashed a wrong ROM to my S4 and now it won't turn on

It won't turn on it will just vibrate briefly and show the Samsung splashscreen then black screen and nothing else. It won't show the charging screen either just vibrates briefly every 3 seconds or so. Also can't boot into recovery mode does the same thing as when trying to turn on. Help please?
Aimorris said:
It won't turn on it will just vibrate briefly and show the Samsung splashscreen then black screen and nothing else. It won't show the charging screen either just vibrates briefly every 3 seconds or so. Also can't boot into recovery mode does the same thing as when trying to turn on. Help please?
Click to expand...
Click to collapse
Try going to download mode and if it worked go back to stock ROM and try a ROM that is actually compatible with your device

Black screen after unlocking.

Hi everyone!
I'm having something similar to black screen of death problem. When I turn on my phone, it's working until I lock it.
When I try to unlock it, my screen is black and only the buttons at the bottom and the notification LED is working.
I've tried pulling out the battery and the sd card and holding the power button for 1 minute, and many different variations of this method, but it didn't work.
I'm running on CM 13.0 but it happens on every ROM.
Please help :crying:
This happens on a the latest stock ROM too? If yes, sounds like a hardware problem.

Help Please! Nokia 6.1 Plus Screen Turns On But Remains Dark

Hello guys, my Nokia 6.1 Plus has developed a weird problem. When I turn on the phone the screen lights up as normal, displaying the androidone logo followed by the NOKIA logo before proceeding to the homescreen where it operates as normal. However, when I press the power button to turn the display off or when the display times out and goes off it doesn't wake up. It remains dark when I double tap on the screen or when I press the power button. The screen turns on but remains dark as I can feel it vibrate and respond to touch when I touch anywhere on the screen. I basically have to restart the phone to get it working again. The phone is basically unusable as I can't have the screen stay on all the time for me to use it.
What might be causing the problem and what can I do to remedy it?
Try to backup your important data and perform a factory reset.
May b it's hardware problem

Black screen with flashing blue notification LED

My Galaxy S8 64GB suddenly froze up and then went into a bootloop. Restarted couple of times and then black screen – with the LED notification light flashing blue. I haven’t been able to reboot or shut down. Volume down plus power button didn’t help either. Please help. I need to get this to turn on and recover data from this phone.
Please help.
shuvabrata said:
My Galaxy S8 64GB suddenly froze up and then went into a bootloop. Restarted couple of times and then black screen – with the LED notification light flashing blue. I haven’t been able to reboot or shut down. Volume down plus power button didn’t help either. Please help. I need to get this to turn on and recover data from this phone.
Please help.
Click to expand...
Click to collapse
Can you get into download mode?

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