[Q] Screen randomly stops working? - Xperia Z Q&A, Help & Troubleshooting

Hi there,
did anyone else have this problem? Occasionally, my screen would not react to my touch input. That is either the status bar stopping in the middle of the screen whilst collapsing, a character on the touch keyboard appears pressed and activated, even though I don't type anything (Can't continue writing when this happens) or the widgets screen on the home screen appears and re-appears and I can't change the homescreens since they are stuck in-between.
This is my second Z (Switched from a black to a white one) and so far, everything's been fine. It doesn't have any custom stuff on it except root. But the problem also occured prior to rooting.
Does anyone have a fix for this? My workarounds so far: Switching it off by POWER+VOLUP or leaving it in standby for a couple of minutes.
Might this be a hardware problem?
Thanks you very much in advance!

bump

T0b3 said:
bump
Click to expand...
Click to collapse
you can try to reflash a stock ftf via flashtool, doing a full wipe maybe will resolve this issue!
http://forum.xda-developers.com/showthread.php?t=2240614

Related

G1 Unresponsive - Requesting Help

My friends G1 is unresponsive whenever the screen is closed, but seems to work when sliding it open. The funny thing is, while the device doesn't perform any actions when the screen is closed, it still seems to be responding to touch. When the screen is opened again, your touched actions will "catch up" and the phone responds. This happens from recovery mode as well as in Android.
Can anyone help?
Anyone? Please?
xiton said:
Anyone? Please?
Click to expand...
Click to collapse
The phone is in standby/sleep mode while screen is off, so you cant use the touch screen. You must double tap Menu to get to the home screen.While in recovery mode you cant use the touch screen cause you have to use the hardware buttons or the trackball. Im guessing you were unaware that the phone goes into sleep mode. When you slide the KB the phone wakes from sleep mode and allows you to use it.You only have to slide it when you need it not just to do it randomly.
No no, sorry if I worded it incorrectly. The screen is on and it is frozen when the slider is closed. Once you open the keyboard, everything works fine. As soon as you slide it in, the screen freezes on its current display and stops updating.
xiton said:
No no, sorry if I worded it incorrectly. The screen is on and it is frozen when the slider is closed. Once you open the keyboard, everything works fine. As soon as you slide it in, the screen freezes on its current display and stops updating.
Click to expand...
Click to collapse
Are you on a rooted phone?
Yes it is a rooted phone
xiton said:
Yes it is a rooted phone
Click to expand...
Click to collapse
What rom are you using?
If it is a hero rom then it doesnt work while in landscape mode so you cant open the KB while on home.
Its a 2.1 ROM by Kingx
The screen behaves the same in and out of android though...such as in the recovery (JFv1.4) console. If the screen is closed, the screen "freezes", but the frozen picture is still displayed. If you slide the screen ouţand expose the keyboard, it works fine. The phone otherwise operates normally, as does the standby mode.
xiton said:
Its a 2.1 ROM by Kingx
The screen behaves the same in and out of android though...such as in the recovery (JFv1.4) console. If the screen is closed, the screen "freezes", but the frozen picture is still displayed. If you slide the screen ouţand expose the keyboard, it works fine. The phone otherwise operates normally, as does the standby mode.
Click to expand...
Click to collapse
You need to upgrade your recovery though
http://forum.xda-developers.com/showthread.php?t=566669
Try wiping and reinstall the rom and wipe everything.Also you need a task manager cause you might have a billion apps open.
I'll try it on his phone when I get off work. Thanks for the recovery link. Do you prefer this over JF?
xiton said:
I'll try it on his phone when I get off work. Thanks for the recovery link. Do you prefer this over JF?
Click to expand...
Click to collapse
JF is super old and lacks many features from Amon_Ra. But it's based off of Cyan 1.4 recovery. It makes a lot of things easier like partitioning,wiping,backup,restoring roms.
Alright,
Home now with his phone. I swapped JF's recovery with RA. The issue still exists, and I'm wondering if it's hardware related...
This is frustrating. I don't know if I can fix it for him...
The problem seems to have gotten worse on its own. If the screen is closed at all, the screen will go black with a slight image shown with what seems to be an unworking backlight. However, upon sliding the keyboard open again, the backlight does not return until the device is rebooted while leaving the keyboard open.
Edit:
The backlight seems to come on sometimes when you slide the screen open...
xiton said:
The problem seems to have gotten worse on its own. If the screen is closed at all, the screen will go black with a slight image shown with what seems to be an unworking backlight. However, upon sliding the keyboard open again, the backlight does not return until the device is rebooted while leaving the keyboard open.
Edit:
The backlight seems to come on sometimes when you slide the screen open...
Click to expand...
Click to collapse
You might wanna wipe and install another rom to see if the problem stays.There might be a hardware problem with your phone.
I've wiped and tried a couple of other ROMs but the issue persists. If it's a hardware issue, is there anything I can try to fix it?
xiton said:
I've wiped and tried a couple of other ROMs but the issue persists. If it's a hardware issue, is there anything I can try to fix it?
Click to expand...
Click to collapse
It could be the ribbon that connects to the display.If you can find the assembly guide you could replace the broken or loose piece.But i'm not 100% on which part of the display needs to be replaced.You could ask someone at T-Mobile or at a electronics store what the problem is.HTC offers a free 2yr warranty so you might be able to get a replacement.
Bumping this to see if this was ever resolved. Having the same issue, and considering replacing it brand new, but wanted to know what exactly needs to be replaced so I can order it.

Screen Distortion Problem

Hi, I've started to have this problem yesterday afternoon and I don't know what to do.
Whenever I turn the screen on everything is distorted, with white and black lines going all across the screen. After putting the phone in sleep mode and going back to the lock screen multiple times, the screen fixes itself. When I look at the screen in landscape mode the same thing happens. I'm not sure if this is a hardware problem or something else because sometimes when I drag the notification bar down, that seems to fix the screen itself. Any solutions? I tried searching all over for an answer but couldn't find any.
Thanks.
bump..Someone help please?
Sounds like a hardware problem, loose cable of some sort I would guess. Try to wipe and flash any 1.6 roms to rule out the bad 2.1 rom. Not likely but worth a try.
Good luck.

[Q] Pull down notification bar problem...

I haven't found any other mention of this problem, so apologies in advance if this is already documented and I missed it. I thought I would see if anyone else is having this problem?
The issue is that the top of the touch screen stops working intermittently, preventing the notification bar from being pulled down. It's not just a notification bar problem, as buttons in that area don't work (Spotify in landscape mode, shuffle button for example).
The problem does go away after a forced reboot (up volume and power) but will eventually stop working again.
I've not noticed any pattern as to apps in use causing this.
Any ideas?
My phone is stock UK on Vodafone
version 4.2.2 (2.24.161.1)
Bump - same issue.
Mine works intermittently - some parts of the top of the screen some of the time...
Anyone else?

**HELP**Lock button permanently locks

I have a strange problem, well a few. If I lock my phone (C6903) using the physical button I can't unlock it again. I try for about 5-10 minutes sometimes and it just wont work. If I hold it down I can feel it vibrate as if it's bringing up the power menu but the screen just stays black. Eventually it will randomly wake up then I can play around as normal. If I leave it to lock itself I can unlock every time, fist time no worries. This is what pointed me to it being a SW problem rather than a hardware problem.
I also noticed that when I do have the screen turning off in the dark, I can see that the screen is still lit up! Just it is black, not completely asleep. It's really quite bright when I have it next to the bed. Also when I am outside I can't see the screen at all really, even with the brightness turned right up.
It's really strange all these happened about the same time. I figured maybe it was a ROM problem and a fresh install of stock ROM would help. Tried it and at first most of these problems went, just the fact I still couldn't really see the screen in the sun. I tried another ROM and at first was just the same but then these problems started again.
Has anyone had any or all of these problems or got any ideas what it could be? I am left thinking now that the problem is more likely hardware related as the problems are so sporadic and happen whatever I have installed.
Any help / suggestions would be appreciated but I have the feeling I will have to just admit the phone is dogged
You say that most of the problems desapararecen to install a new ROM, it is likely that installing something extra to be the cause, I was introduced me something similar with Expoxed Notifications Module.
Try a clean installation without installing test applications to determine if the problem recurs.
Thanks, yes I guess I will try that, bit of a pain having to reinstall apps after every install and restoring messages etc so I might just put up for now.
I also have realised that the screen not turning on and the screen staying on but black happen at different times. i.e. I can now randomly turn the screen on and off no problem (don't think I have installed or deleted any apps or changed anything), but the screen stays awake when off. When I was last not able to turn the screen back on after turning off the screen actually went to sleep. Very strange

Touch screen problem on specific area

Since that is a weird issue & after searching a lot of times i don't get a proper solution, i think that is the time to post it.
Touch not working on top notification bar & bottom menu(home, back) bar when device is unlocked. But that is working perfectly when device is locked(on lock-screen).
I already test screen by Xperia Diagnostics, every area of screen working fine.
So, of course that is not a Hardware issue. I already tried with Downgrading to kitkat but that doesn't help.
Thanks in advance
Xperia Z1(C6903)
5.0.2
14.5.A.0.270
I have a similar problem on all firmwares. When device boots, after I enter the pin, touch screen becomes unresponsive up on the notification bar. Locking and unlocking the device brings it back and it never happens again until next reboot. What is this?

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