Backlight problem - G2 and Desire Z Q&A, Help & Troubleshooting

So as of recently rooting my phone sometimes when I hit my sleep/wake button the screen turns on but the backlight doesn't. Its a dark screen but if I put it in the light I can tell its on. I can swipe to unlock and it unlocks and everything. Is this just a hardware error or is it a bad side effect of temp rooting.
Sent from my T-Mobile G2 using XDA App

This should be in the Q&A forum

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Pattern lock screen sometimes not centered?

Sometimes when I use the power button to unlock the screen saver, the pattern lock screen is off center. It's so far off center I can't enter the pattern to unlock the phone. I have to press the power button twice to get a new pattern lock screen that is centered.
I was wondering if anyone else has noticed this with their phone. I've got Executive Assistant running under the lock screen.
happened to me a couple of time so I stopped using pattern unlock screen. Once it got to the point where it stuck there permanently until I rebooted the phone
Happened to me a lot after removing the phone from car dock mode. Usually had to reboot, hasn't happened at all since switching to CM10 nightlies.
happens to my wife and me many times. we just do what you said.
Im guessing its a known issue because it happens to me and a lot of people I know.
Sent from my SGH-T999 using xda premium
Samev here happpen to me last night ivhad a call when I hung up the lock patttern went all the way to the right top side all ibdid was press power button
And thatsb it wnet back
Sent from my SGH-T999 using xda premium
Happens to me too. The fix is simple though:
1) Press the Emergency Call button. It should still be in place
2) When you see the number pad, turn the phone to horizontal view so that the number pad moves.
3) Press "back", the lock pattern will be horizontal for a second and then it'll flip back to its correct place!
I also had this happen many times. I turned off the lock function.
Is this on stock?
Sent from my SGH-T999 using xda premium
ZachLL88 said:
Is this on stock?
Sent from my SGH-T999 using xda premium
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It was in my case.

Locking device.

Hi there, i want to know if more ppl have this problem. Sometimes when i press the power button the device does not go into locking state, screen turns off but the screen off sound is missing. Also when i press power/home to wake the device it does not display the lockscreen. I thought i had a bad product so i swapped it with warranty and now my 2nd device also has this problem. I think its a fail in the exynos..... switching kernels didnt work either.
Sent from my GT-N7100 using xda app-developers app
The only time I've ever had this issue is if I install the 23 toggles mod and try toggling the lock screen from there. It's never happened on the stock rom.
Sent from the mighty Note II

Funny thing happening when I lock the phone (sometimes)

Hi All,
Every once in a while when I lock the phone, (press the power button to turn off the screen) the screen will go dim but not turn off. I can press the power button and it will go to the pattern unlock screen. Then when I press the power button it will switch between normal lock screen and dim lock screen. When it's dim, it has no function. When it's normal, I can unlock it and everything is fine, till I lock it again. Then it will be dim and not shut off completely.
The only way to get it to shut down after that point is to reboot.
I am rooted with CWM and have UVBMD1 in it at the moment.
Any ideas?
Thanks
stevespens said:
Hi All,
Every once in a while when I lock the phone, (press the power button to turn off the screen) the screen will go dim but not turn off. I can press the power button and it will go to the pattern unlock screen. Then when I press the power button it will switch between normal lock screen and dim lock screen. When it's dim, it has no function. When it's normal, I can unlock it and everything is fine, till I lock it again. Then it will be dim and not shut off completely.
The only way to get it to shut down after that point is to reboot.
I am rooted with CWM and have UVBMD1 in it at the moment.
Any ideas?
Thanks
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Sounds like an app is causing a wakelock or something. Id uninstall any recent apps and see it it does it again.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
pyraxiate said:
Sounds like an app is causing a wakelock or something. Id uninstall any recent apps and see it it does it again.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
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Good thought, I'll give it a shot. I have loaded a few things in the last few days.
Thanks.

Odd display issue P600

Hi
Came home from work today unlocked the tab but the display had gone murky down one side. Thought this a bit off so rebooted, display looked like it had returned to normal. It went into standby and I went to unlock it but the display wouldn't come back on!
The capacitive buttons light up at the bottom, if I remove the pen it makes the pen removal noise, if I press the lock button I can swipe the screen and the unlock sound occurs, but nothing from the display at all. I reboot the device and it's fine till I lock it again.
It was running stock TW rooted. Have factory reset and still the problem remains. Any suggestions?
Cheers
Sent from my SM-N9005 using XDA Premium 4 mobile app

[Q] Lockscreen issue on 14.5.A.0.242

Hi all,
I hope someone experienced this too. When I lock the screen with the power button the screen in off state is still working .
When i swipe down from the top off the screen and then unlock, the status bar is pulled down.
It's problem when i put the phone in my pocket, and through the locked screen the wifi and bluetooth can be swithed on/off.
Thanks for the response!
kojenci said:
Hi all,
I hope someone experienced this too. When I lock the screen with the power button the screen in off state is still working .
When i swipe down from the top off the screen and then unlock, the status bar is pulled down.
It's problem when i put the phone in my pocket, and through the locked screen the wifi and bluetooth can be swithed on/off.
Thanks for the response!
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Click to collapse
Try to hold your phone into some very bright light then press the power button, you may see that the display stays one second longer active than the background light.
Thats True. Bur sadly it is also happening during phonecalls. The screen turns black due to the proximity sensor, but i hear clicking sound when my ear touches the screen.
Sent from my D5503 using XDA Free mobile app

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