Touch not working properly - Xperia Z3 Q&A, Help & Troubleshooting

HI
My Xperia z3 battery has been swealed and since that happened touch screen in the middle of the screen is not working properly.
Is it because of the pressure that the battery is putting on the screen and will replacing the battery fix it or not?
Thanks
Sorry for my bad English

Related

[Q] Touch Screen

Hi guys.
I broke my touchscreen.
So I bought a new one but after changing, all four lower BUTTONS do not work and I can't access to the status bar... IN fact the top and bottom of the screen doesn't respond.
The rest of the screen seems to work normally.
Any help ? Thanks
p.s: sorry for bad english.
Beda974 said:
Hi guys.
I broke my touchscreen.
So I bought a new one but after changing, all four lower BUTTONS do not work and I can't access to the status bar... IN fact the top and bottom of the screen doesn't respond.
The rest of the screen seems to work normally.
Any help ? Thanks
p.s: sorry for bad english.
Click to expand...
Click to collapse
U replaced screen from htc?????
Sent from my HTC Explorer A310e using xda premium
No I bought and changed this : http://cgi.ebay.fr/ws/eBayISAPI.dll...X:IT&_trksid=p3984.m1497.l2649#ht_1788wt_1129
open it an try to carefully reinsert touch connector.
if you don't know what to do then watch this and at 1:18 you'll see the conector. the big one.
Maybe it's the touchscreen who is defected ?
Cause I've reinsert so many time this connector...
But it's really wierd cause I can scroll the screen...
Can we recalibrate the touchscreen of our pico ?
Question : What do this part do ? http://cgi.ebay.fr/Original-HTC-Exp..._Werkzeuge&hash=item25731b683b#ht_2524wt_1140
Just LED or anything else ?

Black screen (but backlight ok) after screen replacement

Hello
I just replaced a broken screen on my moto g (broken glass, but display+touch was OK).
Once reassembled, the screen remains black, but the backlight is working and the phone is booting (I can even see its content via usb).
I also tested with old broken screen but it's the same.
I even found a thir lcd to test, and same result.
Does anybody already experienced same thing (I think yes, because I saw such comments in disassembling videos).
Does it mean I damaged something on the mainboard ??? what could it be ?
Thank you for your help
Hi, did you ever fixed this problem? I'm experiencing exactly the same.
Thanks,
s
denseye said:
Hello
I just replaced a broken screen on my moto g (broken glass, but display+touch was OK).
Once reassembled, the screen remains black, but the backlight is working and the phone is booting (I can even see its content via usb).
I also tested with old broken screen but it's the same.
I even found a thir lcd to test, and same result.
Does anybody already experienced same thing (I think yes, because I saw such comments in disassembling videos).
Does it mean I damaged something on the mainboard ??? what could it be ?
Thank you for your help
Click to expand...
Click to collapse
Yes, same problem here. Anyone have any ideas ?
i had the same problem with my moto g and the problem was the screen brightness was turned right down, so best thing to do is try goto top of screen with your finger and try scroll down and swipe across where the brightness bar is, (if you get what i mean lol)

please help me !! no signal after screen changement

Hello,
I have a xperia z3 with breaking the screen so I decided to change the only way I'm used to change screens ...
result I have the screen that displays the backlight but no picture ...
I decide to recommend a new screen but still the same problem!
sorry for my English :/
Are u sure the replacement display is not faulty?
And in the thread title you are tellinf its not getting signal.. U r little confusing.

Problem with Display-exchange

Hello,
First of all i dont know if this is the right forum for my question. If not so please notice me.
After my Z5 dropped on the floor i got an broken Display. I bought a new Display and changed it, but i think i broke the LCD-Flexcable after i pulled carefully on it to get it inside the case. The effect is after phone turn on i get only the backlight but the screen remains black. So for a test i switched my old broken display in it but the effect is the same, only backlight and black screen. After a few seconds the phone led blinks 3 times red and the phone restarts. What the heck is now? Anybody get the same case? I handled the mainboard with care, dont remember to damaged the connector in anyway. Does the Flexcable needs to be protected with a tape so it couldnt be grounded on someway?
Sorry for my bad english. Thanks for any help!
After a second and a third display swap the error is still the same. It seems somehow i damaged the motherboard. I swapped the phone against a new one.
Please help, same problem ...

Help - Xperia Z3 Dual Display Problem

Hello everyone!
To start with ... i had a cracked screen and power button not working on my xperia z3 dual D6633
so i ordered the flex and lcd
i replaced them
however, everything seems to work except that the display stays black
the backlight doesnt even seem to light up
i tried turning on the phone
and it switched on
everything i tested worked, that is
digitizer .. i can touch to take calls etc
speakers
mic
buttons
wifi
network
all these are working
....
it is only the screen that is not displaying anything
tried the last lcd that worked but not working also
can any one please help me

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