Black screen when entering security code to unlock screen - Touch2 General

When sliding the lock symbol on my device and entering the six digits, it takes about 5-10 seconds until my today screen appears. In the meantime the screen is black.
I'm not running any programs at that moment.
Mostly it happens when I havent used the phone for one hour or more.
It looks to me like some waking up phase.
How can i avoid these black screens?
Thnx

Related

Delayed Lock Screen

With my settings set to Automatically lock (immediately after sleep) and power button instantly locks with a visible patter screen lock, my Nexus 7 on wake-up [pushing the power button immediately] either right after an invalid pattern code (where device then sleeps) or waiting a few seconds with no activity until the device sleeps (where the Nexus 7 fades to a black screen) will have a delay in bringing up the lock screen OR sort of flicker presenting some sort of black and white bar lines background at the bottom half of the screen for a split second before bringing up the lock screen. In essence, when waking the phone from sleep, the screen "glitches" for like a fraction of a second where the "glitch" is a set of white lines that flash on the screen before the lock screen appears on the display. This "rarely" occurs and has to be done fairly quickly, but I have seen it a few times as I continuously tried it over and over again; you can blame my OCD Anyway... I was wondering if this is normal or it is in fact a defect? It doesn't seem to affect the performance of the device itself.
The following are video recordings of the "issue":
http: //youtu.be/lFhr0DxhA_Q
http: //youtu.be/yTmrWgBoAjQ
Does this happen for anyone else?
Thanks in advance!
Praesidium said:
With my settings set to Automatically lock (immediately after sleep) and power button instantly locks with a visible patter screen lock, my Nexus 7 on wake-up [pushing the power button immediately] either right after an invalid pattern code (where device then sleeps) or waiting a few seconds with no activity until the device sleeps (where the Nexus 7 fades to a black screen) will have a delay in bringing up the lock screen OR sort of flicker presenting some sort of black and white bar lines background at the bottom half of the screen for a split second before bringing up the lock screen. In essence, when waking the phone from sleep, the screen "glitches" for like a fraction of a second where the "glitch" is a set of white lines that flash on the screen before the lock screen appears on the display. This "rarely" occurs and has to be done fairly quickly, but I have seen it a few times as I continuously tried it over and over again; you can blame my OCD Anyway... I was wondering if this is normal or it is in fact a defect? It doesn't seem to affect the performance of the device itself.
The following are video recordings of the "issue":
http: //youtu.be/lFhr0DxhA_Q
http: //youtu.be/yTmrWgBoAjQ
Does this happen for anyone else?
Thanks in advance!
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Unlock, than black screen, than normal

Hello all,
Sometimes, when I unlock via pattern my screen, i have black or dark screen for about 3 seconds, than home screen comes from left of the side of display to the right.. Whats might be causing that 3 seconds stuck?
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Please Help! Broken screen

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Same problem here
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About every 1 in 3 times I try to turn the phone on, the screen remains black, but I know it has "woken up", because it vibrates under my finger to indicate it has unlocked. Additionally, swiping around while the screen is black results in opening main screen apps. I have tried face unlock, fingerprint and voice unlock and these methods all have the same kind if success rate. I've found the only way of turning the screen on is, after unlocking it, is to hold the power button to bring up the force shutdown menu. This issue has gotten progressively worse over a number of weeks. I run an app launcher, may be contributing? The phone is about a year old. Help!

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