Auto screen locking Problem - Android Q&A, Help & Troubleshooting

I am using Lenovo Vibe C a2020a40.I am facing this problem from The very beginning ..My phone gets automatically Screen locked....While i am using or playing game it gets screenlocked automatically.After auto screenlock its shows Black screen and neither Power or volume button works that time...It happens continuesly . After some time It comes out from black screen and unlocking the pattern lock......again it gets locked .... IT MOSTLY HAPPES WHEN I AM PLAYING GAMES ... So whats the solution of this problem !? Is it because of Software !?

Related

Strange problem solved, stopped at bootanimation

I've had a problem on my xperia play, but I don't think its specific from it, because I m on stock...
1 out 10 times I trie to turn it on, it stops on the boot animation.... don't freezes, just don't go any further, the animation keep going... I've noticed that if I touched the screen sometimes it vibrates, only the bottom part, because I was in the unlock screen, I just can't see it, then you unlock and touch on the screen and launch a random app, and then the screen goes as normal....
Sent from my R800i using XDA
On my Galaxy S I've similar isue.
When the phone is completely booted I've seen the bootanimation yet until the power button is pressed

screen off apps reflash screan after lock???

Its wery frustrating evry lock screen app after locking the screen screen turns on for half second end turn off(FLASH) I tried evry lock screen app end same problem with all apps.Is there eny sölution for this problem,I now its 4.0.4 related problem but still?

[Q] tablet screen flashing and extinguished in sudden way

Dears
I bought a Xperia tablet z* ( 16 Giga,* WiFi,* LTE)* almost two weeks ago from Sony store in Saudi Arabi
there is an un-understandable problem and I am unable to determine why it occurs...*
Exact problem is that the tablet screen flashing and extinguished in sudden way and take into shivering lighting then extinguished the screen with a voice Click who hears while light pressure on the power bottom to close the screen ..
When pressed* again on the power bottom to try to open the screen, nothing happens, but wait for a few seconds the screen returns to the lighting again by itself giving me the lock screen which asking me to insert the unlock pin ...
I noticed that this happens a lot during the moving* device, but it happened also a few times where the device was static also ..
Please help .. I utmost abuse of this problem
Thanks.
Regards

Help : Boot time very long !!!

Hello everyone,
I just got my Ultra yesterday, played with it and i'm pleased so far, But then i decided to reboot my phone and here come the issue, it takes forever to boot up !
The power does turn with a backlight but the screen stays black and then nothing ! Not even showing the animation !
I have to power + volume up a few times and then it might works
Also i noticed some annoying issue, when i make a call the screen just goes black ! and in whatsapp if i play a video or an audio file the screen goes black and stop playing if my fingers are near the sensor ! I'm not using any screen protector ...
Please help me , thanks
Model number
C6833
Build number
14.1.B.1.532
Yogaxl said:
Hello everyone,
I just got my Ultra yesterday, played with it and i'm pleased so far, But then i decided to reboot my phone and here come the issue, it takes forever to boot up !
The power does turn with a backlight but the screen stays black and then nothing ! Not even showing the animation !
I have to power + volume up a few times and then it might works
Also i noticed some annoying issue, when i make a call the screen just goes black ! and in whatsapp if i play a video or an audio file the screen goes black and stop playing if my fingers are near the sensor ! I'm not using any screen protector ...
Please help me , thanks
Model number
C6833
Build number
14.1.B.1.152
Click to expand...
Click to collapse
You might have the same problem, and this is the possible fix.
http://forum.xda-developers.com/showthread.php?t=2461487
nickylou88 said:
You might have the same problem, and this is the possible fix.
http://forum.xda-developers.com/showthread.php?t=2461487
Click to expand...
Click to collapse
Thank you SOOOOO much, this fixed my problem with the fake hang at boot. I remembered having disabled the optimized backlight, i don't even know what this option is supposed to do
Whatsapp audio file problem still there
Phone call black screen issue gone :laugh:

Black screen when phone is standby

My phone is lg v300s . after i update android pie. My phone have problem
When screen on . No problem but when screen off about 1 hour . my phone like automatically shut down or black screen . i can't open screen by button .
Before this problem sometime occur but now my phone usually black screen when screen off
Who have a same problem ? And have solution to fix this problem . Thanks for everyone
Tyon619 said:
My phone is lg v300s . after i update android pie. My phone have problem
When screen on . No problem but when screen off about 1 hour . my phone like automatically shut down or black screen . i can't open screen by button .
Before this problem sometime occur but now my phone usually black screen when screen off
Who have a same problem ? And have solution to fix this problem . Thanks for everyone
Click to expand...
Click to collapse
Just want to know how do you know that u have black screen the v30 has an oled screen so black screen means pixels are off
If you can send a photo of your problem bcs i sow in telegram grp that when he turn off his phone do some weird things like turning the screen then to aod then the screen turn off

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