Xperia Z3 :: No Screen Backlight
May 7, 2015
I've a problem with my new sony product, I was in swimming pool after taking some photos the phone stop working, and the screen blinking and can not boot up the phone, after checking it I notice that there is some water in the back camera cover.So i waited about 5 hours and tried to recharge it, then trying to boot it I heard the startup sound with no data on the screen!I noticed that the screen/touch working but there's no back-light!
then I shuttled it down and wait again, after booting the screen has no data and the startup sound works, ( Also there is no vibration anymore! )
I tried to use the small off button but no way! I've also upgraded it via PC Companion but still have the same issue!!I don't know what to do the phone is new...
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Feb 3, 2012
my phone was working perfectly fine until i upgraded it to ICS. Now i'm not able to unlock my phone at all at certain times. If i try to unlock i see a blank screen with the backlight on. Unable to access homescreen at all. If i leave the phone for sometime and then if i try unlocking again it works fine. Having this problem with latest version available in my country (4.0.4). I tried reinstalling the firmware using update service still no effect.
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Feb 9, 2012
I am using xperia neo v mobile. When I lock my screen using the power button the backlight gets off (common in all mobiles) after 10 to 15 sec the back light glows again.
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Jun 5, 2012
A little while ago my battery ran out on my Xperia Play and nothing has really worked since then.
1. Backlight does not work, at all.
2. The phone does not detect the battery (though I am able to charge it). I have that 'no battery' indicator on the top of my screen at all times. I have bought a new battery, no change. If I keep it plugged in with/without battery nothing changes.
3. Screen is really laggy now. I have to try to swipe the screen like 18 times before it actually goes through and unlocks. When I try to type, the keys I press get held so all sorts of funny accents are all over the place.
Its not usable currently. If I use the arrow keys to navigate the menus, it works fine. When I tried to take the phone apart I managed to break the LCD screen. Replaced that and now I'm back where I started. Anything I can do? Replace the digitizer?
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Dec 28, 2011
Its been almost 1 1/2 years since I bought Xperia X 8, off late, even after locking the handset, the backlight is getting "ON" and becase of the display the battery is getting drained fast.I did the following steps but still the problem persists
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Aug 26, 2011
past one week my E75 screen has decided to start playing up. The light on the keyboard lights up fine but the screen backlight only comes on when I push down hard on a certain part of the screen or give it a good whack. Anyone experienced this before and know how I might be able to fix it?
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Jul 19, 2010
I have a N95 (N95-1), and this morning I turned it on after it went flat, and the screen backlight isn't working. The keypad still lights up, and the LED screen seems to be fine.I've tried everything up to a factory restart. Does anyone else have this problem, or know how to fix it? It's really quite annoying!
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May 20, 2012
My screen backlight doesn't come on at all , have tried goin in options and settings and changin the brightness still doesn't work.. not able to see anything hav to strain my eyes where this is no backlight to see
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Aug 7, 2010
My N95 has been on the frits! It sometimes shows garbles colors, or a weird scanline diagonal draw of the screen. Sometimes if I slide it enough times the screen is drawn correctly but only the top left corner. Other times it just sits there on a black (no backlight) screen. Any reason why it's doing this?
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Apr 17, 2012
Lately I've had trouble with my iPhone 4S backlight. The backlight does not always turn on when I wake the phone from sleep.
I've tried turning off the auto-brightness, but it does not help, the same behaviour continues. When the backlight is not on toggling the auto-brightness button or adjusting the brightness or covering the ambient light sensor have no effect, the backlight stays off. Usually it just randomly turns on after I put the device to sleep and wake it up. And no, my cover does not block the sensor either.
Info:
iPhone 4S
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May 20, 2012
My iphone4 screen went black but i can see that the backlight is still on. i tried to plug it in but still nothing happened. i tried the hard reset but no apple logo came out. i cant use it. i want it to be fixed but there is no apple center near here.
Info:iPhone 4, iOS 5.1
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Nov 27, 2012
I just got this phone in june and this is the secon time this happens, the phone would turn on and the lights everything on as if it was really on, but cant see the screen. A backlight is on but you cant see whats going on the phone. the only thing you see is a black screen, but it is ON you can feel the vibration everytime is press the screen, i just cant see the screen. i dont know what to do and im unable to attend a store to fix it
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May 27, 2014
Yesterday, I dropped my nexus 5 and now my screen won't display anything any more. But the backlight works and so does phone (i know the phone still works because my alarms still are going of) What do you (people on the forum) think is wrong with my phone. Do i need a whole new display and touchscreen or is there just a wire that needs to be reconected?
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Feb 14, 2012
I have had my Blackberry Torch now for about 10months and last week i think i may have got it slightly wet after i tried to answer the phone when getting out of the bath. Since then it has been ok but last night when i slid open the screen everything went black. As soon as i slide the screen shut it works again! This basically means that i can only use the phone as a touch screen phone when it is down (which isn't good for me as I always text using the keypad when it is slided open).I called o2 and they said before they send it off to be repaired that i should try upgrading all of the latest BB software as that might fix it. I have never had any upgrades but will this really be able to fix my screen? Is there any other way i can try and fix the phone myself?
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Dec 26, 2011
just picked up the Motoactv, and I've noticed the backlight does not turn on when I use the device? The screen still displays properly but without backlight.
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Oct 27, 2015
My eyes are kind of damaged and I need to know if the Nexus 6P phone screen uses PWM for backlight dimming. Majority of people never notice it but I'd say 5% of people have issues caused by it (headache, migraines, seizures, etc.) Kind of like the CRT flicker but in modern LED backlit devices.
To test use a high end camera/DSLR with adjustable shutter speed and look for black lines on the phone screen when adjusting the camera's shutter speed.
Info about PWM: [URL] ....
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Sep 8, 2013
My girlfriend and I both bought 1020's and they both show the backlight when hitting the power button. It happens when the device is at whatever current screen youre on, after you hit the button the screen closes as should, but then I get a glimpse of backlight.
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Oct 28, 2011
I'm at work posting on the bionic so making this short. I let my phone charge over night with oem wall charger i unplug it to go to the gym. Well i usually turn the lights on in my room. This morning i did not as i unplugged the bionic the backlight light up dimly. I let it sit i finally got tired of testing it the backlight stayed on indefinitely. I let it sit 5 min still on i have to push power button to wake and again to lock. So i was wondering if anyone noticed this it can drain battery i sometimes put phone in gym bag after charging without waking phone.
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Apr 30, 2012
I bought my Xperia SK17i just a week back and everything was fine till a few days back. now even after locking my phone, the backlight keeps coming on every 1 min or so. It is very distracting. why has it started happening all of a sudden and how do i stop it from happening? Also because of this, my battery gets discharged really soon.
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Dec 31, 2010
so I dropped my phone from a height of about 2 feet today. The back came off and the battery fell out. I put the battery back in and turned on the phone. It vibrated signalling it was turning on, then the backlight came on, then the backlight switched off, and that was it.Now the backlight turns on and off periodically. I can't do anything with it. It won't connect to the computer or chargeI've only had the phone for 4 days. There's no wear and tear damage and no scratches or bumps from the fallI've tried the software update, but that didn't work.I'm wondering is there a way to fix it?Do I just leave turn on & off till it sorts itself out?
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Apr 22, 2010
I just upgraded to 5.0xxx via BB DM and ran into this issue.Screen goes blank as per backlight timeout setting but it never comes up, however you push the screen, press the lock button. No display :-(. The phone is still on and I can see the buttons at bottom lit up and I can even receive calls but no display on the main screen. Have to battery-pull to make the screen work.Whats wrong?? I have tried adjusting Backlight Timeout settings, rebooting without media card, but to no avail. The problem is only with upgrade 5.0. I downgrade it to 4.7 and it works fine.
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Dec 8, 2014
I have sony xperia Z2 BUT the smart backlight control doesn't work.why?
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Nov 7, 2014
In the last week my phone stared acting up and I'm not always able to wake the screen. The backlight turns on, but nothing else is showing. Sometimes I need to press the power button few times and it turns on, sometimes 30 times. Sometimes horizontal colored lines appear.
I tried with the factory data reset, thinking it's a software issue, but it didn't work.
The only thing I found was this article related to the Ultra Z model, but with my same problem [URL] ...., but no solution.
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Dec 15, 2010
the querty keyboard backlight on my x10 mini pro keeps turning off in the dark or bad light. I can manage to keep the backlight on, while I am trying to type without it cutting out after about 2 seconds. Sometimes it won't even turn back on even after pressing a key.
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Oct 3, 2012
This had been bugging me for 3 days now. I don't have another phone to use. I've tried to repair the software using Update Service but it do no good. After pressing the On button at the top of the phone, the phone will vibrate after a sec and then there's a backlight but the "Sony Ericson" logo does not appear and after about 6 seconds the backlight will fade.
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Mar 25, 2015
The screen has an area of brighter backlight in its center. Looks like a brighter horizontal line, especially on white backgrounds. So the most material apps are very uncomfortable to use!
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Nov 8, 2010
my x10 mini pro keyboard is half backlight. all right key is with no light and is very difficult to use in the shadow or without light
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Sep 16, 2012
after update to the latest android 4.0 and now 4.1.b.0.587. The backlight on qwerty and sym button is gone. Have tried to factory reset the phone but it dosen't work.
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Nov 4, 2012
The backlight will not turn off at all, even when i try to lock the keyboard it comes back on. I have a curve 9320.
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Apr 8, 2011
Is there an app (Free, GPL, or otherwise) that will allow me to dim the backlight even lower than the BB OS allows by default? I'm currently running v5.0.0.1728.
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Aug 10, 2011
On my BB Torch: backlight is deeming after a few seconds when using Maps, although it is settled not to deem unless battery is below 25%.
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