Note 4 SM-910C light keys not turning on. - Galaxy Note 4 Q&A, Help & Troubleshooting

My samsung galaxy note 4 light keys are not turning on . I have turned off power saving mode .factory reseted my device .and again my keys sometimes turn on for a brief period of time and they do turn off .they only get illuminated when i restart my note 4 and after i lock the screen they go off and after i turn on the screen they just blink and go off. I think its a bug or a glitch in my device cuz they work and light up sometimes .Please help cause it s becoming annoying.

ermal09 said:
My samsung galaxy note 4 light keys are not turning on . I have turned off power saving mode .factory reseted my device .and again my keys sometimes turn on for a brief period of time and they do turn off .they only get illuminated when i restart my note 4 and after i lock the screen they go off and after i turn on the screen they just blink and go off. I think its a bug or a glitch in my device cuz they work and light up sometimes .Please help cause it s becoming annoying.
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Hi,
I have reported this thread to be moved to the right Q & A section where you might be able to get help quickly.
Good luck.

Related

SPV M3100 phantom backlight?!

ok well during the day and everything its fine but now as I type this message and when I'm generally in landscape mode using the keyboard my hermes backlight has a life of its own it turns on and off randomly...
no its not power saving, I'm sim unlocked but I now run the 1.09 bootloader and latest HTC rom and I'm getting to wits end. sometimes it can be fine other times not.
some may think what is he on about but it is happening to me and I don't even think its a hardware fault either or at least I hope not as most of the time my backligt behaves! anhone got any bright ideas as to what could be causing the flicking?
I have had a problem where the keyboard, when slid out, does not light up. Is this what you mean?
If so, I went into the control panel, switched it off in the settings and then closed it all down. I then went back and enabled it, and did a soft reset when it had all calmed down. No problems since
HTH
I get a similar problem, when I have read a message and switch to landscape mode and start typing, the backlight turns off and as i continue to type it will switch itself back on.
its a pain in the arse and is one of the bugs im hoping to get rid of on a rom update.
Imp
The keyboard has a light sensor. It will only light up in dark conditions. Maybe yours is playing up, or the light conditions that your using your phone in may be the cause.
I turn my sensor off so the backlight is always on, Settings---->Buttons----->Backlight
S.K.
Its the screen backlight that goes off, not the keyboard lights.
Imp

[Q] Lock screen lag

Hello xda, I updated to latest lollipop BOC3, when I press lock button, screen lags at locking, It is not a big problem but it drives me crazy. and although when I press home/lock to wake up phone captivate buttons flicker and then screen turnes on (buttons are always turned off) I think this is hardware problem because searched at forum and no threats... anyone has that problem ? sm-n910 c 5.0.1
guys
alexowen said:
Hello xda, I updated to latest lollipop BOC3, when I press lock button, screen lags at locking, It is not a big problem but it drives me crazy. and although when I press home/lock to wake up phone captivate buttons flicker and then screen turnes on (buttons are always turned off) I think this is hardware problem because searched at forum and no threats... anyone has that problem ? sm-n910 c 5.0.1
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Maybe your buttons are always off because you have it disabled in settings...Go to Settings/Display and wallpaper/Touch key light duration and set it to whatever time you like...
Ashatar said:
Maybe your buttons are always off because you have it disabled in settings...Go to Settings/Display and wallpaper/Touch key light duration and set it to whatever time you like...
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yes I have disabled lights because I dont like it, it irritates me when i oress button first flickers captivate buttons and then screen turnes on, although that lock screen lag -_-
alexowen said:
yes I have disabled lights because I dont like it, it irritates me when i oress button first flickers captivate buttons and then screen turnes on, although that lock screen lag -_-
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Well then I don't see a problem here...unless your capacitive buttons turn on even though you set them to "Always off" ? The lock screen lag is there, but it isn't that noticeable to me.Sometimes it is, but rarely...
Our you referring to the faint flicker of the captivate buttons even with the setting off,I turned mine off but can see a faint flicker when waking phone up.
I take it no one else has this issue?
@alexowen @Raver27 @Ashatar I have same problem guys, captivate button flickers even when it is turned off when I wake my phone and second problem on LP is lockscreen lag which irritates me, when I lock screen first brightness goes down and then screen turnes off, this is hardware problem not software
I like the capacitive button lights, like it so much i set the time for: 6seconds before dimming. Tho i can understand if it flickers on n off instead of just an on, i would want it off too. The lag on the lockscreen must be like 2-3 seconds? i dont have ir on mine. It's like 1 seconds, which is nothing.

Screen keeps turning off and on + sets brightness to 100

Hey guys,
i have a serious problem, which happens really often lately. like 10 times a day. The screen just turns off sometimes. The touch-functionality is still working. I can feel the fingersensor "unlock" the Zuk Z1, but the screen just stays off. Then i try to press all the buttons and sometimes the screen turns on again. But sometimes it just turns on after some seconds even though I didn't touch it at all.
First I thought that this is a hardware issue, maybe a loose contact. But recently a new problem showed up. The screen brightness just goes up to 100%. I turned off auto-brightness and move the slider. Nothing happens. Restarting always fixes it. But mostly after 1-60 seconds it goes back to normal.
Any ideas what might be the problem? Or what I could try?
I haven't rooted the phone and its the newest CyOS version.
Cheers, Oliver
Perhaps you are using the flipcover with magnetic auto switch off when you close the case?
OlivBlum said:
Hey guys,
i have a serious problem, which happens really often lately. like 10 times a day. The screen just turns off sometimes. The touch-functionality is still working. I can feel the fingersensor "unlock" the Zuk Z1, but the screen just stays off. Then i try to press all the buttons and sometimes the screen turns on again. But sometimes it just turns on after some seconds even though I didn't touch it at all.
First I thought that this is a hardware issue, maybe a loose contact. But recently a new problem showed up. The screen brightness just goes up to 100%. I turned off auto-brightness and move the slider. Nothing happens. Restarting always fixes it. But mostly after 1-60 seconds it goes back to normal.
Any ideas what might be the problem? Or what I could try?
I haven't rooted the phone and its the newest CyOS version.
Cheers, Oliver
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Thanks for the reply,
I havent thought of that before but it is not the cause of the problem.
1. I have a leather case
2. When I take the phone out of the case the displays stays dark
I just did a factory reset today in the morning and the problem already showed up again. So! annoying!!!! Will send back the device I guess
i have lenovo zuk z1 . actually i am getting a problem in this phone . after locking the phone at every seconds light turn on and get turn off on the display. i saw so much on the setting but i didnt get any setting .
The same problem is being arrising with me..please someone help. what should i do..

Lock Screen won't turn off

Hi there. I'm currently having an issue with my S7 edge where the lock screen won't turn off after some time. The screen does turn off when I'm using the phone normally from the main screen after some time passes but it's just the lock screen I have issues with.
Whenever I charge my phone or just hit the power button once to see notifications on the lock screen, it'll just stay like that until the same time the main screen timeout configured time passes (5 minutes) and this is getting annoying and somewhat draining a little bit more of my battery. Previously it was working fine and the lock screen would turn off after around 10 seconds or so.
Has anyone faced any similar issues with their phones? I haven't tried a factory reset yet but I'd want that to be a last resort.
Clear Background apps.
It happens when you left some games or apps by pressing home button but it keeps running. Hope they will fix this soon.
Have you tried pressing that little button on the right side of the phone? That usually helps.
Yeah...I already tried that with no luck. Even tried uninstalling some recent apps in case one of them was cause but it didn't work either. Any other suggestions?
The issue isn't with turning the phone screen off by pressing the power button, it's the lock screen itself not turning off after a few seconds when it usually does.
I'm having the same problem, had good lock installed thought that may have been the problem but after uninstalling that I'm still having the same problem with samsungs oem lock screen. I too would like an answer or fix for this. also to note, in developer options the stay awake is off and no apps running in the background.
I am having this problem now also. The screen will lock, but the display stays on but dimmed. I can tap the screen and it will get bright. Now I must click the side button every time I set my phone down or the screen will drain the battery.
I'm facing exactly the same issue. When the screen is locked, it stays on for the same time confirmed to when its unlocked. For example, 1 minute, instead of 10-15 seconds.
Any workaround discovered for this?
Did anyone find a solution to this problem?
I thought that I might've been the only one! This problem only appeared on my phone after the Nougat update, and it's extremely annoying as I rely on notifications waking the screen for my main messaging app.
joelnet said:
I am having this problem now also. The screen will lock, but the display stays on but dimmed. I can tap the screen and it will get bright. Now I must click the side button every time I set my phone down or the screen will drain the battery.
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Hello, I am having the same issue in my Redmi note 11 pro plus Phone. In my case The screen will lock but display stays on with dimmed light. Usually it is not visible during day, but in dark room its visible. And it stays the same way whole night. And battery is fully drained and phone is turned off. Is there a solution for this??

Help ! Screen turn yellow flash for short time after I wake it up or turn the device

I have a Galaxy S5 G900F running on official Android Marshmallow 6.0.1, from yesterday, when I hit the power button to turn on the screen , I see a yellow flash ( the screen lights in yellow quickly ) then everything is normal until I turn it off and try to wake it up again ( same problem occurs )
And when I turn it on and off 2 times or 3, the screen turn completely black and I hear sound means the phone is working .
what's going on with my screen ? is it going to get worse by time ? How to fix this please ?
+ the device was on an Orange ( France ) 6.0.1 and I turned it to a UAE 6.0.1 . Can this be the cause ?
no solution yet
Your screen phone is starting to fail. This is a known failure. IT can get as bad as you must need to try to turn the screen on 15 o 20 times. Minimum brightness can also fail

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