Just started having problems with the display backlight not turning on when I push the power button. The phone is waking up. If there is a very bright light in the room I can see that the screen is working but there is no backlight. Sometimes it works fine. Sometimes it lights up as I push the button then goes black as I let go of the button, then I can hear it relock after a few seconds. I tried taking it apart and cleaning the power button with some compressed air which seemed to help for a few days, but then got worse. :crying:
Update: so after performing the EB40 mod I have not had the problem come back in six days.
Sent from my ATRIX HD MAXX using XDA Free mobile app
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My power button since yesterday only started working half the time. It will wake the nook but it wont turn off the screen... nootered of course. Ideas anyone? Alternatively if there's a widget i can get that will work too.
Sent from my NookColor
hmm
i noticed this laggy ness also
also when i hold down power for the TURN OFF SCREEN to come uip trying to CLICK power off can be hard sometimes... so weird...
solution
droidforums.net/forum/droid-general-discussions/21625-sleep-button-problem.html
I got this phone (Xperia X1A) today and when it froze, I pulled the battery out for 30 seconds, and put it back in. After it turned on and everything loaded, the screen was flickering and I could faintly see it was flickering the old screen from when it froze.
If you don't get what I mean, say for example, I had a clock app open, it freezes, so I take the battery out and do a restart. When the phone starts up and loads everything, I can see it flickering the clock app really faintly from the point when it froze.
Anyone had a problem like this before, because when I googled this I didn't get any information on this problem happening.
EDIT: *Facepalm*, posted in the wrong section. Could a mod please move this to Q & A. Sorry 'bout that.
Next time your phone freezes try to use the reset button at the back of the phone (beneath the battery cover).
The screen of my Xperia X1 sometimes flickers too after the phone switched off because of an empty battery. But it stops after 30 seconds or something. It does not happen when I use the reset button or switch the phone off using the power button.
Thank you. I just only figured out where the reset button was on this thing today. It doesn't flicker when I do that.
Sent from my Nexus One using Tapatalk
My home, menu, search, etc keys are not lighting up anymore. I tried restarting the phone to see if it would get em lit up agian, but no luck. I can go into Settings > Display > Adjust Brightness, but whenever the phone screen locks they go off again until I do the above again.
They were lit up fine until I tried to enter CWM recovery by holding power and vol down.
Phone is rooted, 2.3.4 update, stock rom.
EDIT: I have no idea what I did to fix it but it's fixed now =/.
sevron said:
My home, menu, search, etc keys are not lighting up anymore. I tried restarting the phone to see if it would get em lit up agian, but no luck. I can go into Settings > Display > Adjust Brightness, but whenever the phone screen locks they go off again until I do the above again.
They were lit up fine until I tried to enter CWM recovery by holding power and vol down.
Phone is rooted, 2.3.4 update, stock rom.
EDIT: I have no idea what I did to fix it but it's fixed now =/.
Click to expand...
Click to collapse
its a known bug, usually after charging it will go back to normal. nothing serious.
Hold the phone up to a light while the screen is on. It can be anything from a flashlight to a computer monitor.
Sent from my Transformer Prime TF201 using xda premium
Go to Display. take the check-mark out and reboot. Then put the check-mark back in and reboot again. Hope it works. Its a GB thing!
Haro912 said:
Hold the phone up to a light while the screen is on. It can be anything from a flashlight to a computer monitor.
Sent from my Transformer Prime TF201 using xda premium
Click to expand...
Click to collapse
This is the best solution I've found for this problem. Flash a light onto the phone censor. Or just hold your phone up to a bright monitor like he mentioned. Fixes it every time. You'll probably have to do this every time you reboot because that's usually when the problem reoccures.
if you add the brightness widget to one of you screen and then use it to adjust brightness, it will light up the buttons
Hello
After opening the slider the screen went black on my droid 3. I could not power it on any more with the power button.
So I pulled out the battery and pressed the power button after putting the battery in its place. The result was an almost white screen with very little coloured spots.
Every time I press the power-button that happens. After that I can not power off the droid with the power button I have to pull the battery out.
After some hours of testing and droid started occasionally. I used it for some minutes and pressed the power button. The screen went black and I could not wake the phone up by pressing the power button.
I pulled out the battery. After putting the battery into the device and pressing the power button I had the white screen again.
I tried
-- Power + "m"
and
-- Power + vol-down
But nothing showed any success.
Any idea?
Thank you
It seems like a hw problem. Software doesn't fix itself, but a bad connection can work sometimes. I'd take it to the service warranty.
Sent from my XT860 using xda app-developers app
AragornPE said:
It seems like a hw problem. Software doesn't fix itself, but a bad connection can work sometimes. I'd take it to the service warranty.
Sent from my XT860 using xda app-developers app
Click to expand...
Click to collapse
Unfortunately there is no warranty available. Does it make sense to dismantle the droid, and check all the cables?
Thank you
P.S. You were right. I have put the motherboard into another droid and everything worked.
Is there any chance to change the cable between the screen and the mainboard?
looks like i got a lemon, screen will not turn back on however device continues to function. The touchscreen even works but you can't tell what you are clicking on.
Only way to get back to functional is to pull the battery, only happened once last week but in the last two days i've had to pull it 6 times or so.
Just posting this up in case someone else starts having the same problem. I've got a replacement being shipped out this week.
You are not the only one. Mine does it from time to time
Sent from my SAMSUNG-SM-G900A using XDA Premium 4 mobile app
Has any one had problems with maps as well
Sent from my SAMSUNG-SM-G900A using XDA Premium 4 mobile app
I might have had this happen last night. Black screen, buttons lights would only flicker once quickly when pressing the power button. Pressing and holding the power button did not cause a reboot. I did not try any screen action as I could not see anything. Had to pop the battery to get the device back to working.
--pat
I got my replacement, and it still does seem to have this bug to some extent, however, this phone seems to be able to get out of the screen black if something else triggers it.
For instance, I got a phone call, and that brought it out of the black-out. Another time i just kept pushing buttons and it finally woke up.
Hopefully it's just a software bug??