Dead touchscreen, flickering screen- help! - Galaxy S II Q&A, Help & Troubleshooting

Hi there,
So recently I sold my SGS2 to my brother (in complete working order, I had been using it up until I gave it to him) when I got my n5. He seems to have been getting along fine with it for the last couple of weeks.
He came home today and showed me that the touchscreen is unresponsive (initially tried a battery pull) but no such luck. The other buttons work, and everything appears to be progressing normally with the boot (I can see the wifi connect, he has mobile signal etc.). After about 5 seconds of not interacting with the phone, it dims very slightly and the backlight starts flickering very quickly, but stops instantly if I tap it (although I still can't interact with the device in any other way through the touchscreen), please note this also happens in recovery (so I'm guessing it's hardware).
I've tried doing a factory and cache wipe in recovery but it hasn't helped (I didn't expect it to).
He claims not to have dropped it or got it wet and everything on it is stock (always has been).
Does anyone recognise this issue, or know what it might be/ how hard it would be to fix?
I only sold it to him for £50 as he is family, but I could do without having to give him his money back...
Thanks for any help,
Dan

Difficult to say from this side, if you have the chance to try to check if the connections between the motherboard and the screen are not loose nor unplugged, and do a factory reset, even though I assume it's the hardware here.
If (as I think) a factory reset doesn't solve the problem, I would go for a screen replacement, better if you can try one before buying. If it's not the screen, then go for a mobo replacement. Hope I helped
Inviato dal mio GT-I9100

danlocke123 said:
Hi there,
So recently I sold my SGS2 to my brother (in complete working order, I had been using it up until I gave it to him) when I got my n5. He seems to have been getting along fine with it for the last couple of weeks.
He came home today and showed me that the touchscreen is unresponsive (initially tried a battery pull) but no such luck. The other buttons work, and everything appears to be progressing normally with the boot (I can see the wifi connect, he has mobile signal etc.). After about 5 seconds of not interacting with the phone, it dims very slightly and the backlight starts flickering very quickly, but stops instantly if I tap it (although I still can't interact with the device in any other way through the touchscreen), please note this also happens in recovery (so I'm guessing it's hardware).
I've tried doing a factory and cache wipe in recovery but it hasn't helped (I didn't expect it to).
He claims not to have dropped it or got it wet and everything on it is stock (always has been).
Does anyone recognise this issue, or know what it might be/ how hard it would be to fix?
I only sold it to him for £50 as he is family, but I could do without having to give him his money back...
Thanks for any help,
Dan
Click to expand...
Click to collapse
Time for LCD n digitizer replacement. Jus try *#0*# n see if u could test the screen. Cheers

totalnoob34 said:
Difficult to say from this side, if you have the chance to try to check if the connections between the motherboard and the screen are not loose nor unplugged, and do a factory reset, even though I assume it's the hardware here.
If (as I think) a factory reset doesn't solve the problem, I would go for a screen replacement, better if you can try one before buying. If it's not the screen, then go for a mobo replacement. Hope I helped
Inviato dal mio GT-I9100
Click to expand...
Click to collapse
I'm just uploading a quick video to clarify what is happening. I'll crack it open later a have a look at the connector to see if thats the issue. Do you happen to know if the digitizer and LCD are separate components in the s2?

danlocke123 said:
I'm just uploading a quick video to clarify what is happening. I'll crack it open later a have a look at the connector to see if thats the issue. Do you happen to know if the digitizer and LCD are separate components in the s2?
Click to expand...
Click to collapse
I've replaced some, they are glued together, and not separable by the user without the right tools (and those are VERY expensive and need training).
Inviato dal mio GT-I9100

Video
http://youtu.be/CoCUxFLTxAg
totalnoob34 said:
I've replaced some, they are glued together, and not separable by the user without the right tools (and those are VERY expensive and need training).
Inviato dal mio GT-I9100
Click to expand...
Click to collapse
I was afraid that would be the case
EDIT: FIXED! maybe he did drop it and dislodged the connector?

danlocke123 said:
http://youtu.be/CoCUxFLTxAg
I was afraid that would be the case
EDIT: FIXED! maybe he did drop it and dislodged the connector?
Click to expand...
Click to collapse
Glad you did it. Sometimes a little DIY saves loads of hassle
Inviato dal mio GT-I9100

Related

INSANE!!! Half Screen Not Working??!

Hello I JUST realized my god damn hero's screen must be broken, or, the mobo is somewhat malfunctioning. I can't seem to be able to access the lower part of my screen.
Not only that, it often "decalibrates" and starts malfunctioning even worse :S I have to go back to the lock screen in order to get it back working for a few minutes.
I'm currently running CM7... Please advice thanks
Any chance it could be a bit of a ROM malfunction? Have you tried any others? That would be what I would try first. Hope it helps
Yes.. I have I tried the latest VillainROM, elelinux's rom and the one I'm currently running... any more suggestions? ...
Known issue with Hero's, Half of the screen dies after a year or so.
Mines half dead as well
I think the digitizer malfunctions.
Unfortunately, the only cure is a replacement of the digitizer or a replacement phone.
I found mine Hero having that behavior today.. screen not responding, jus a part of it, but when i turn the screen off and on again it goes to lock screen, and in lock screen works always, and after unlocking the screen it works for some instants.. :/
Can anyone tell me how much do you think it will cost to change the digitizer?
EDIT: After a cache wipe and dalvik cache wipe as well it's working perfectly
£30 I think. Do search for digitizer aand screen not responding in the Hero forums. There should be instructions and suppliers there.
Sent from my Blade using XDA App

[Q] [Go] touchscreen not as sensitive as usual.

Hello, I want your help to fix my xperia go touchscreen problem. Well, Ive searched the similar problem on the forum but what I found is about "touchscreen not working" only.. was, it's very easy to text and slide trough the screens without any "not so responsive screen".. after few months my xgo became less sensitive like before, when I tried to type as fast as usual. The screen cant detect my touch.. I compared with my friend's xgo and it is easier to text on his xgo.. its because I flashed wrong rom? I flashed one roms so far (superJB and currently back on stock with phantom 1.0.9 kernel) thanks.
Xgo .100 JB with UBL.
Open your device's build.prop using any text editor and check
ro.sf.lcd_density=??
Compare its value with your friend's xperia go and edit it accordingly. After you've done with editing, restart your device.
Check screenshot in the attachment.
Note: Do not put value similar to that of screenshot. It is just for your reference.
If I helped you then press Thank you.
Sent from my MT27i using xda premium
My Xperia Go has the exact same problem recently. It just started happening a few days ago and nothing has changed on the device (software etc). I used to be able to text VERY fast but now it sometimes takes a few pushes of the keys for the device to recognise my touch. I can't believe it is anything in the build.prop as this would have suddenly changed right? MY LCD density there is set to 160 (which is the same as default).
Any help appreciated...
EDIT - I also noticed that since my touchscreen has become un-responsive I had got battery drain issues. The last 2 nights I have gone to sleep and when I have woken up my battery is almost dead... hmmm
Devo1982 said:
My Xperia Go has the exact same problem recently. It just started happening a few days ago and nothing has changed on the device (software etc). I used to be able to text VERY fast but now it sometimes takes a few pushes of the keys for the device to recognise my touch. I can't believe it is anything in the build.prop as this would have suddenly changed right? MY LCD density there is set to 160 (which is the same as default).
Any help appreciated...
EDIT - I also noticed that since my touchscreen has become un-responsive I had got battery drain issues. The last 2 nights I have gone to sleep and when I have woken up my battery is almost dead... hmmm
Click to expand...
Click to collapse
I have same problems with my xperia go .it became unresponsive ..
i didnt drop it just became like that .
I get this issue too since i accidently drop it. But when i try to testing games and the phone getting heat up and now its more sensitive than before. Maybe not as sensitive as back there at GB but its better now. Almost as sensitive as when i try using JB at 1st time i think.
Oh yeah.. i even already try to open it before to check if the connector are losen or something like that with no result. And already prepare to changing my touchscreen but i think its not necesary now. Hope this help
i have the same problem, mine im gonna change the digitizer this month.
Yeah i think it's the digitalizer too... it happened to my friend that drop it or make him goes into swim pool water or sea water .
Well my have that problem too, but after few months without "swimming" it back almost normal or It has now become a habit ...
LENNUJ said:
i have the same problem, mine im gonna change the digitizer this month.
Click to expand...
Click to collapse
Please report here if your back to normal again after you change your digitizer. Coz mine still choosing something sometime if i swipe through it even the sensitivity is good now.
ah7 said:
Yeah i think it's the digitalizer too... it happened to my friend that drop it or make him goes into swim pool water or sea water .
Well my have that problem too, but after few months without "swimming" it back almost normal or It has now become a habit ...
Click to expand...
Click to collapse
I use mine to record fish on beach at first month but its still good at that time. Mine dropped few times but the last drop make it not sensitive as before, since i used it like what i post before the sensitivity back to normal but sometime (in 1 of 8) not recognize my touch.
yeah i will report here, try to dial *#*#7378423#*#* then service tests select touch screen now draw a line to see if there's something wrong on your touch screen, mine i never drop or submerge.
LENNUJ said:
yeah i will report here, try to dial *#*#7378423#*#* then service tests select touch screen now draw a line to see if there's something wrong on your touch screen, mine i never drop or submerge.
Click to expand...
Click to collapse
seems like mine is problem with digitizer too...(marking on red) Thx BTW
Do you use back cover? Mine is nillkin back cover i hope thats not affect the digitizer
Sent from my ST27i using xda premium
LENNUJ said:
Do you use back cover? Mine is nillkin back cover i hope thats not affect the digitizer
Sent from my ST27i using xda premium
Click to expand...
Click to collapse
yeah i use back cover too (i dont know about the brand). i dont think the back cover affect the digitizer coz i already use it at least 2 month after i buy mine but the digitizer is became troubled last month since i drop it.
LENNUJ said:
i have the same problem, mine im gonna change the digitizer this month.
Click to expand...
Click to collapse
Hey , does the touch screen turn to normal after you change the digitizer ?
Please give a feedback on that . Anyone ?
Red stripes shows dead spots on my Xperia U, ill try replacing Digitalizer next week, but if anyone can report it before, it would be helpfully.
im still stucked with my defective digitizer i got a problem with my order from china the item never arrive. i will try to buy another digitizer next week.
LENNUJ said:
im still stucked with my defective digitizer i got a problem with my order from china the item never arrive. i will try to buy another digitizer next week.
Click to expand...
Click to collapse
Its china...
SIGNATURE OUTDATED. I now use honami moonwalker 4.2
"AndroidNoob69.... Your favorite NOOB!"
UPDATE: I just got my replacement digitizer & i tested it, now my xgo live again but im still waiting the adhesive tape to stick it! :silly:
LENNUJ said:
UPDATE: I just got my replacement digitizer & i tested it, now my xgo live again but im still waiting the adhesive tape to stick it! :silly:
Click to expand...
Click to collapse
Nice... because i am planning to replace my digitizer by my self too when i got my digitizer spare . Just need to know what the other things i would need to change it perfectly (Make sure my XGO still have water resistant capability). Sooo... i would appreciate if u could reporting back when you done it .
Same problem.. My phone is not sensitive as usual.. When typing and gaming, it is really annoying.. :'(
How much is the digitizer for Xperia U?
I didn't do nothing and the phone just became not sensitive to touch.. Sliding is good but when I press 3 times to screen.. Only 2 times approx is known to touch..
Help me out ? Only way is change digitizer?
Just make sure u didnt get touchscreen issue from lag. I use custom rom and the touchscreen is feel better, but some area still hard to use because mine is defect already. U could try search on google for ur digitizer price .
Sent from my ST27i using xda app-developers app

[Q] Unresponsive screen on Atrix 4G

Hi,
After I switched to CM7 I started to experience unresponsive or crazy screen. By crazy I mean it's like touch screen calibration is somewhat screwed and it gets touches everywhere. When I turn off screen and on, it is gone. However it starts again after a while. I noticed that when I get my phone out of my pocket, it gets unresponsive. After I clean the surface and do on/off several times it fixes. Sometimes, it doesn't even get fixed so I have to restart the phone.
I also see that after a fresh ROM installation, issue does not appear frequently. After a while, it occurs quite often and my battery is drained as well. I doubt if that is an kernel issue or hardware. But since it drains the battery, it seems like a kernel issue. Have anyone faced a problem like this before?
Try the raindrop fix. If that doesn't work, you may need to replace your digitizer (or alternatively go back to stock ROM if the problem does not show up there).
ravilov said:
Try the raindrop fix. If that doesn't work, you may need to replace your digitizer (or alternatively go back to stock ROM if the problem does not show up there).
Click to expand...
Click to collapse
Thanks ravilov, I didn't know about that. I downloaded and installed it. Problem doesn't seem to fade away but it usually gets frequent after few weeks. I will see what happens. As you said I'll try stock rom next and if that doesn't work either maybe it's time to change my phone.
Sorry to write to an old thread, but my problem is related.
So, after this craziness I wrote in my first post, my screen get totally unresponsive. I cannot use the phone. I decided to change the digitizer. However, the problem still exists even with brand new digitizer. I'm now wondering could it be due to front camera ribbon? I think that's where digitizer is attached to. Any ideas or suggestions on this?
Thanks!
Either that or the mainboard
Enviado desde mi MB860 usando Tapatalk 2
andresrivas said:
Either that or the mainboard
Enviado desde mi MB860 usando Tapatalk 2
Click to expand...
Click to collapse
I've just noticed another flex cable called earpiece ribbon. I'm confused, which one does the digitizer is connected to?
Earpiece ribbon
Speaker Flex Cable
comexx said:
I've just noticed another flex cable called earpiece ribbon. I'm confused, which one does the digitizer is connected to?
Earpiece ribbon
Speaker Flex Cable
Click to expand...
Click to collapse
http://www.repairsuniverse.com/motorola-atrix-4g-screen-replacements-repair-parts.html
flex cable/ear speaker on this page is what it connects to

[Q] I9300 Screen issues

Hi
Cutting a long story short, is there a screen calibration app/menu option for the S3? I cracked my screen the other week, and I have had the screen replaced (not by samsung). Ive noticed now that the screen intermittenly sometimes sticks, becomes non responsive and/or the image "vibrates" when I long press on an app to move it. OR when I try to hang up a call, 9/10 times the press doesnt "register"
Before I go and moan at the shop I got it repaired at, is there any app or any way of calibrating the screen ?
I should mention that the phone is not running a stock rom. It wasnt before the screen was replaced and everything ran flawlessly, even with the crack Now I'm no expert but I would suggest they've either fitted a dodgy screen / there's a loose connection or it needs calibration.
If anyone's wondering it is on Temasek's CM11 unofficial build. Although I had it on CM 11 for a while and the problem persisted.
I suspect it is a hardware issue with the replacement screen but I thought I'd ask.
Cheers
Andrew
Flash a full stock rom to test but it sounds like you've a hardware fault.
*#0*#
This is screen test function of sammy based roms. if you want you can try your screen with this
You cant calibrate capacitive screens
GT-I9300 cihazımdan Tapatalk kullanılarak gönderildi
If I remeber correctly this behavior happens when the screen is repaired without that special adhesive layer which originally glues everything together.
Back on stock rom, tried the calibration/diagnostic screen.... no dice, according to that it works ok lol.
It looks like I'm going back to the shop I got the repair done, to try and get them to fix it (again!) Bet they will try and charge me more money tbh I am almost at the point of living with it BUT I had two phone calls I could not answer today because the screen wasn't working properly, and that will not do
Edit :- found the accessibility options which allows me to answer/end calls using the hardware buttons. Still a bit gash but better than nothing.
Will see what the shop says, less urgent now, at least I have a way of answering the damn thing lol.

[Q] Ghost fingers

Hello XDA users, ive been having a lot of issues on my ATRIX Touchscreen, sometimes the screen gets stuck with a some weird case of ghost fingers on my touchscreen that has became more and more annoying these last days because my touch gets stuck, or just open's a hell lot of apps or screens, or just tries to swipe al over and get stuck.
To 'temp' fix this i need to shutdown the screen and then turn it on again, sometimes a battery pull also works allowing to work more time without annoyances.
THINGS I'VE TRIED:
-The ''cooking'' procedure as stated on the Moto DROID forums here (Actually i do have a Milestone II, A.K.A Droid II with the same issue) no good.
-Flashing PDSfix, works for better screen calibration, but goes nuts again at some time (Also PDSfix causes SDcard issues on CM10)
-Cleaning the entire touchscreen with isopropilic alcohol (exterior)
THINGS TO TRY:
-Cleaning the touchscreen internally with alcohol and some clean wipes.
-(WORST CASE SCENARIO) Change the touchscreen...
Thing is, do you guys have another workaround??? Thanks !!
lincer556 said:
Hello XDA users, ive been having a lot of issues on my ATRIX Touchscreen, sometimes the screen gets stuck with a some weird case of ghost fingers on my touchscreen that has became more and more annoying these last days because my touch gets stuck, or just open's a hell lot of apps or screens, or just tries to swipe al over and get stuck.
To 'temp' fix this i need to shutdown the screen and then turn it on again, sometimes a battery pull also works allowing to work more time without annoyances.
THINGS I'VE TRIED:
-The ''cooking'' procedure as stated on the Moto DROID forums here (Actually i do have a Milestone II, A.K.A Droid II with the same issue) no good.
-Flashing PDSfix, works for better screen calibration, but goes nuts again at some time (Also PDSfix causes SDcard issues on CM10)
-Cleaning the entire touchscreen with isopropilic alcohol (exterior)
THINGS TO TRY:
-Cleaning the touchscreen internally with alcohol and some clean wipes.
-(WORST CASE SCENARIO) Change the touchscreen...
Thing is, do you guys have another workaround??? Thanks !!
Click to expand...
Click to collapse
Change the Digitizer/buy replacement unit and do a motherboard swap
Get a priest to exorsise your phone!
Seriously, first check the static electricity, it can cause all sorts of troubles.
You can get a digitizer fairly cheap these days, if you know how to dissassemble the phone, is a good option
Enviado desde mi MB860 usando Tapatalk 2
palmbeach05 said:
Change the Digitizer/buy replacement unit and do a motherboard swap
Click to expand...
Click to collapse
andresrivas said:
Get a priest to exorsise your phone!
Seriously, first check the static electricity, it can cause all sorts of troubles.
You can get a digitizer fairly cheap these days, if you know how to dissassemble the phone, is a good option
Enviado desde mi MB860 usando Tapatalk 2
Click to expand...
Click to collapse
Sadly where i live the digitalizer is hell of expensive, that's why i've said Worst Case Scenario
lincer556 said:
Sadly where i live the digitalizer is hell of expensive, that's why i've said Worst Case Scenario
Click to expand...
Click to collapse
I know that feel. I live in Córdoba, so here it's even pricey. Sadly, it's about the only option
andresrivas said:
I know that feel. I live in Córdoba, so here it's even pricey. Sadly, it's about the only option
Click to expand...
Click to collapse
Yeah, i sucks, but i've managed to get a replacement screen from a friend of mine with a broken motherboard atrix, now is working like charm!

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