[Q] Trouble with the touchscreen? Or is it lag? - RAZR HD Q&A, Help & Troubleshooting

Wondering if anyone else has had this problem. I've tried a few ROMs - CM11, Carbon, and currently SlimKat and often (every few minutes) the interface sort of pauses. By that i mean touches are not registered. I've turned on display touches in developer options so i can see when the phone is behaving.
Its very strange because Philz Touch Recovery never has any problems but the phone is almost unusable at many points during the day. Often can't even unlock the darn thing.
I don't think its the actual digitizer because during its lucid moments there is no delay, touches are where they should be etc but then it will simply not work. Most often it involves the keyboard (which i'ves switched from the built-in to the Google Keyboard on the play store as a test). I've run some of the display test apps and am able to use every point on the screen...when its behaving.
Any help is appreciated!

On some Motorola Atrix it was problem with cable between motherboard and digitizer with about the same behavior as you described.

Zeljko1234 said:
On some Motorola Atrix it was problem with cable between motherboard and digitizer with about the same behavior as you described.
Click to expand...
Click to collapse
Thanks for the info I'll open it up tonight or tomorrow to take a peek.

Some users managed to find working position of damaged cable. In your case, maybe is just plugged out from connector or contact became dirty.
Be careful and good luck!

Related

HTC Fuze, Black/Blank Screen. Everything Else works, just can't see it.

Firstly, my screen does not show visuals. I can still touch the screen and make things happen, but it is just a back-lighted black screen. I have answered calls on it and such. Basically I'm returning it and getting a new one.
Since I am getting a new one, I want to see if anyone ever heard of this problem and to see what the cause of it is, for prevention purposes.
I didn't get it wet (the white sticker in the back is still white.) Though I have flashed PROven ROM to it a couple months ago (it's a great ROM by the way), but could that have messed up my screen?
I also wanted to know since I can't see the screen, would I have to, for warranty purposes, (blindly) reflash to the Stock ROM?
Thanks in advance!
Yeah, you probably oughta return it to stock configuration (good luck on that!). If you're really lucky, that might even fix the problem. Have you done a hard reset yet? Might be worth a try, although it certainly sounds like a hardware problem.
Sounds like the flex cable has gone bad
Exactly same thing happened to me this Tuesday. Luckly I backed up info to memory card using PimBackupV2.8 with remote control software on my PC. With the remote contol tool, I could see everything as if on my phone and icons are clickable.
Hard reset did not fix the issue. I then flashed the shipped official ROM and stock SPL for warranty purpose. Will send the phone to them today for repair.
mine also like that..
from vodafone also..
the things that make me panics is the phone become hotter and hotter.
asdiqa said:
mine also like that..
from vodafone also..
the things that make me panics is the phone become hotter and hotter.
Click to expand...
Click to collapse
Summer is coming...
Sometimes they make updating phones too easy......
The back of my phone often gets hot I have to use the edges to hold it even though it was not a hot day and it is in my pocket.
blank screen
ya so my screen is blank white
but everything else works
i've heard something about this being a faulty "flex cable"
how can i fix this?
thanks so much for your help
how do i fix this???
did you eventually find out how to fix this/???
u ever end up fixing that? how?
thankss
Mine was still in warranty so I rang Vodafone. They sent me a special delivery envelop the following day. I sent it back to them. The following day I got a text message from them saying they got it and was working on it to fix the fault. The next day received another message saying the device was on the way back to me and I should receive it the following day.
Actually they sent me back a replacement
So.. basically.. is this a faulty flex thing?
I had the same problem for the last week until today i was about to buy another one since i dont have any warranty for this one.. I searched google and saw somebody say that just putting a business card between the keyboard and the lcd and then slide it and it works so far
hope it helps everybody
Ack! my Fuze, which I got off eBay a few months back, just went black too.
I'm not exactly sure whether it's the LCD or the flex cable, but the fact that the D-pad backlight also has become intermittent makes me think it's the cable.
So has anyone attempted the flex cable repair themselves? I see you can buy the cable for around $40 and the LCD for around $80 from Hong Kong.
Maybe this is a sign I should just get an Android device.
eelpout said:
Ack! my Fuze, which I got off eBay a few months back, just went black too.
I'm not exactly sure whether it's the LCD or the flex cable, but the fact that the D-pad backlight also has become intermittent makes me think it's the cable.
So has anyone attempted the flex cable repair themselves? I see you can buy the cable for around $40 and the LCD for around $80 from Hong Kong.
Maybe this is a sign I should just get an Android device.
Click to expand...
Click to collapse
Did you end up fixing it? I have the same problem.
same thing happened to me Twice.... in my sleep overnight. I LOOOOOOOOVe my raphael but man this was the last straw
This maybe of some help for those of you with blank screens. I bought a Touch Pro on ebay that had a very dark screen, occasionally you could just make out some icons being displayed. Using Mymobiler showed that the basic system was working, as was the touchscreen. Other symptoms were that the camera would not work and the keypad lighting was intermittent. Sometimes on connection to Mymobiler a dialog box would come up saying there was an error with Microp?!?
Despite cleaning all internal connections and ensuring they were correctly and securely made the problem remained. I then noticed that the small camera used for video calls (in a socket on the main flex cable) looked very dirty and corroded. I removed the camera module and, using a fibreglass brush, cleaned the contacts on both the socket and the camera module. These were very badly corroded with verdigris.
On putting everything back together I was most surprised to find the screen was now working, as was the main camera. Unfortunately the ROM that is loaded doesn't seem to have any facility for checking the front video camera. There are still problems with sound - both the loudspeaker and the headphones seem to be dead and I have not had the opportunity to test GPS, Wifi, bluetooth, buttons, etc, however I will keep working on it.
Hope this is of help to someone.

[Q] xoom touchscreen issues?

I got my Xoom (WiFi) yesterday... already noticing some weird touchscreen behaviour.
It seems to me that whenever the Xoom is laid down flat, there's a chance that the device will stop responding to touch presses properly. Instead of being able to press-and-swipe, it acts like I tapped the screen (eg, pressed my finger on the screen and then lifted it straight back off) or worse, it causes a screen press in completely the wrong position. When it starts happening, it keeps on happening, but picking the Xoom up and holding it vertical seems to fix the problem.
Half the time it seems fine laid down though, so I'm not sure if it's just coincidence that it stops working at the same time I put it down flat or not, or that maybe picking it up means my hand is in contact with the back of the screen and this somehow changes some sort of electrical variable in my hands that affects the touchscreen operation.
Anyone else seen the same issue? I'm thinking I may need to take it back but want to see if anyone else has experienced anything similar.
Chris.
ok.. judging by the lack of response on this, I may either be on my own or it's just something that nobody is noticing. I've been testing it a bit more - I wrote an app which can show each touch point on the screen so I can see how the screen press/drag is working. This is what I've found.
Holding the tablet upright, screen presses and movements are fine, however I've noticed that if I hold my fingers in the same place for a while, the touch points will prematurely end.
If I put the Xoom down on the couch, there is a strong likelihood that the touchscreen will become incredibly unresponsive. I have had it regularly show up phantom presses where touching one point of the screen makes it appear as if I have also pressed another point of the screen. I also cannot drag my fingers across the screen - the touch points stay where they are until I take my fingers off the screen completely, or they just disappear right away as if I tapped the screen.
When this happens, if I touch the side of the case with either a free finger or my other hand, the touchscreen starts working perfectly! Seriously! I'm not kidding, I've been messing with this thing almost non-stop for the past coulpe of days and it is consistently doing this. So - couch + little finger on side of case = working touchscreen. couch but no contact with metal case = malfunctioning touchscreen.
If I have the Xoom in Motorola's case, it seems to work fine. If I put it on a table, it's a bit buggy but generally works better than on the couch. Any sort of material seems to send it regularly into crazy mode. The only time I've noticed it doesn't do this is if I'm in contact with the device immediately before putting it down and then remain in contact with the screen.
Could some sort of static charge cause this? Is it possible that me touching the back of the case is effectively allowing it to 'conduct' electricity properly on the touch screen? I'm not all that familiar with how capacitative screens work other than I assume they measure capacitance from your fingers. Maybe a static charge could throw it off. Or maybe I have weird fingers.
Anyway, I'm pretty close to taking the Xoom back now. Just trying to figure out if it's actually faulty or whether they're all like it by 'design'.
sorry
need to post to remove my limitations sorry again
This could be a loose touch controller cable. Someone had similar problems and posted a how to fix this, search for it.
It happens with me too, it's incredible annoying when you are developing and the tablet is on your table for debugging..
Did you find how to fix it?
I have a serious unresponsive issue on my Xoom when charging. I've tried several different chargers, (all from Motorola) with no luck. Unfortunately all the ones I tried where at my house so I'm not sure if its a wiring issue in my house.
I also have a similar problem on my Droid Razr so I'm starting to think its definitely the wiring.
Anyone know about this issue or have any recommendations?
kiroiv said:
I have a serious unresponsive issue on my Xoom when charging. I've tried several different chargers, (all from Motorola) with no luck. Unfortunately all the ones I tried where at my house so I'm not sure if its a wiring issue in my house.
I also have a similar problem on my Droid Razr so I'm starting to think its definitely the wiring.
Anyone know about this issue or have any recommendations?
Click to expand...
Click to collapse
Thats weird.. i owned xoom n droid razr too but i dun have any iissue
It could be a wiring issue (try another house, I guess), but a lot of devices are like that where the touch screen stops being as responsive when it's on a wall charger.

[Q] Bad digitizer or software issue? Random input.

My M8 is on stock ROM, rooted with Xposed and a handful of modules.
Half the time I'm in the Play Store viewing a list of my installed apps, my phone will somehow register a touch anywhere randomly on the display while I'm not touching the screen in any way. Initially I assumed it was a busted digitizer, but it ONLY does this while I'm in the Play Store, from what I've noticed at least. My phone does this while unplugged from any charger/cable.
Also, a lot of times while I'm using the phone while charging, the digitizer will freak the hell out while I'm touching it and register inputs all over the screen and very rapidly. I've seen this on other phones as well while using a crappy non-OEM charger, but this phone seems very much more sensitive to what charger you're using. Chargers that worked fine on my Note 2 and my wife's current GS4 make my M8's digitizer freak out. Has anyone else noticed this?
FYI, I can see these random inputs by enabling "show touches" in the developer options. I'll see touches register on the screen without me touching the phone at all in both of the scenarios above.
T4rd said:
My M8 is on stock ROM, rooted with Xposed and a handful of modules.
Half the time I'm in the Play Store viewing a list of my installed apps, my phone will somehow register a touch anywhere randomly on the display while I'm not touching the screen in any way. Initially I assumed it was a busted digitizer, but it ONLY does this while I'm in the Play Store, from what I've noticed at least. My phone does this while unplugged from any charger/cable.
Also, a lot of times while I'm using the phone while charging, the digitizer will freak the hell out while I'm touching it and register inputs all over the screen and very rapidly. I've seen this on other phones as well while using a crappy non-OEM charger, but this phone seems very much more sensitive to what charger you're using. Chargers that worked fine on my Note 2 and my wife's current GS4 make my M8's digitizer freak out. Has anyone else noticed this?
FYI, I can see these random inputs by enabling "show touches" in the developer options. I'll see touches register on the screen without me touching the phone at all in both of the scenarios above.
Click to expand...
Click to collapse
Are you using any sort of cases/screen protectors? If so try taking them off and seeing if the issue persists. Also wipe down the screen and get rid of any smudges and fingerprints and see if that fixes it as those can apparently sometimes cause this.
Lastly you can try doing a 'Factory Data Reset' from your recovery such as TWRP, I do not know if the stock recoveries have these but if they do and this is a software issue than this will solve your problem. (Requires S-OFF if it's not available in stock recovery)
If doing the factory data reset does not solve your problem than it is almost definitely a manufacturer defect.
Do take note I did my own research just now to bring you these answers and I am not capable of giving you an overly educated answer like someone else may. Good luck! & I hope the software/case solutions fix it.
Edit: Try disabling Xposed and see if the problem persists too.
T4rd said:
My M8 is on stock ROM, rooted with Xposed and a handful of modules.
Half the time I'm in the Play Store viewing a list of my installed apps, my phone will somehow register a touch anywhere randomly on the display while I'm not touching the screen in any way. Initially I assumed it was a busted digitizer, but it ONLY does this while I'm in the Play Store, from what I've noticed at least. My phone does this while unplugged from any charger/cable.
Also, a lot of times while I'm using the phone while charging, the digitizer will freak the hell out while I'm touching it and register inputs all over the screen and very rapidly. I've seen this on other phones as well while using a crappy non-OEM charger, but this phone seems very much more sensitive to what charger you're using. Chargers that worked fine on my Note 2 and my wife's current GS4 make my M8's digitizer freak out. Has anyone else noticed this?
FYI, I can see these random inputs by enabling "show touches" in the developer options. I'll see touches register on the screen without me touching the phone at all in both of the scenarios above.
Click to expand...
Click to collapse
It's a known issue, phantom touches. It might be software or hardware related. No known fix yet. Happens to me sometimes also. I've also only really noticed it in the Playstore.
Haven't noticed anything with different chargers, you could have a hardware problem.
Sent from my HTC6525LVW using Tapatalk
S1L3nTShaDoWz said:
Are you using any sort of cases/screen protectors? If so try taking them off and seeing if the issue persists. Also wipe down the screen and get rid of any smudges and fingerprints and see if that fixes it as those can apparently sometimes cause this.
Lastly you can try doing a 'Factory Data Reset' from your recovery such as TWRP, I do not know if the stock recoveries have these but if they do and this is a software issue than this will solve your problem. (Requires S-OFF if it's not available in stock recovery)
If doing the factory data reset does not solve your problem than it is almost definitely a manufacturer defect.
Do take note I did my own research just now to bring you these answers and I am not capable of giving you an overly educated answer like someone else may. Good luck! & I hope the software/case solutions fix it.
Edit: Try disabling Xposed and see if the problem persists too.
Click to expand...
Click to collapse
Using a Supcase that doesn't touch the display and no screen protector. It does it without the case being on too.
I've recently did a full system wipe and tried a new ROM (Clean ROM) and it still does it, but only in the Play Store, which is why it's confusing me as to if it's a software or hardware issue. I've had HTC send me a replacement M8 out because of it and the new phone ( and previous 2 other phones I had hardware issue with) never did this, which makes me believe that it is indeed a hardware issue. It's just bizarre that it only happens in the Play Store.
When I flashed this new ROM though, it didn't do it initially during the setup of the phone and getting all my apps installed/updated. Once I installed Xposed, it did it, so I uninstalled Xposed to see if it continued and it did, so I'm not sure if it was a coincidence that I didn't have any "phantom touches" before installing Xposed or not.
BadUsername said:
It's a known issue, phantom touches. It might be software or hardware related. No known fix yet. Happens to me sometimes also. I've also only really noticed it in the Playstore.
Haven't noticed anything with different chargers, you could have a hardware problem.
Sent from my HTC6525LVW using Tapatalk
Click to expand...
Click to collapse
Are you rooted and/or running Xposed as well?
T4rd said:
Are you rooted and/or running Xposed as well?
Click to expand...
Click to collapse
Rooted, no xposed. It was doing the Phantom touches when I was unrooted also.
Sent from my HTC6525LVW using Tapatalk
Just want to bump this to see if anyone else is experiencing it and maybe fine a possible fix. I've replaced this phone 3 times now for different issues and would like to see if I can fix this without swapping it out again. It has gotten a tad worse now and the phantom touches have extended into Hangouts when I initially open it and start typing into a conversation, it will register taps on the keyboard and I have to delete the erroneous input immediately upon the keyboard opening. Otherwise, I don't see it anywhere else in any other apps or situations. Friggin weird. It has followed me across ROMs and factory resets. So I'm guessing it's just a weird-ass hardware issue.
I also facing this issue yesterday & getting worst today. I on ViperRom stock, no xposed or whatsoever.. just viper rom.. this phone just 2 months in my hand.... not only the phantom touches, but dead band as well...
did you send to service centre to get it fix or replacement?
mrvearn said:
I also facing this issue yesterday & getting worst today. I on ViperRom stock, no xposed or whatsoever.. just viper rom.. this phone just 2 months in my hand.... not only the phantom touches, but dead band as well...
did you send to service centre to get it fix or replacement?
Click to expand...
Click to collapse
Mine eventually resolved itself. I was only having Phantom touches on Google Apps. Mainly the playstore and Gmail.
Playstore updated and the issue went away, started using inbox instead of Gmail and it also went away. Haven't had a problem since.
Your issue sounds like it might be more of an issue, but updating both of those apps fixed my problems.
Sent from my HTC6525LVW using Tapatalk
i too have same prob
T4rd said:
My M8 is on stock ROM, rooted with Xposed and a handful of modules.
Half the time I'm in the Play Store viewing a list of my installed apps, my phone will somehow register a touch anywhere randomly on the display while I'm not touching the screen in any way. Initially I assumed it was a busted digitizer, but it ONLY does this while I'm in the Play Store, from what I've noticed at least. My phone does this while unplugged from any charger/cable.
Also, a lot of times while I'm using the phone while charging, the digitizer will freak the hell out while I'm touching it and register inputs all over the screen and very rapidly. I've seen this on other phones as well while using a crappy non-OEM charger, but this phone seems very much more sensitive to what charger you're using. Chargers that worked fine on my Note 2 and my wife's current GS4 make my M8's digitizer freak out. Has anyone else noticed this?
FYI, I can see these random inputs by enabling "show touches" in the developer options. I'll see touches register on the screen without me touching the phone at all in both of the scenarios above.
Click to expand...
Click to collapse
Any fixes for the phantom touch??

MOTO G - Random Unresponsiveness

I have a Moto G and it seems like the screen response sometimes just stops working. When it is working all is well. I have tried few of the touch applications and they are all good. If i put it into sleep and press the power button, i can unlock the phone but no response at the home screen. Sometimes it works great for hours and then would stop. Don't think its a screen issue.
It's out of warranty so sending it back is out of question. I don't think it ever got wet or water damaged. Don't know much of the history on this. Would appreciate the help.
EDIT:
1) I reflashed the stock Telus Rom again last night, but issue hasn't changed much.
2) I disabled the lockscreen (set to none) and seems like it only registers one touch then stops as was the case with the lockscreen. Sometimes it just keeps working fine.
Just trying to figure out if its a software issue or a touchscreen issue. The hard buttons all work fine.
Stock? Which version?
Third party ROM or Kernel?
Does it happen randomly or only while connected to the charger or USB?
rmrbpt said:
Stock? Which version?
Third party ROM or Kernel?
Does it happen randomly or only while connected to the charger or USB?
Click to expand...
Click to collapse
Kitkat 4.4.4 Stock Telus/Kodoo Rom.
Happens Randomly.
EDIT: Added some notes above.
If it keeps doing it after a full clean flash then I would bet it's an hardware problem...
rmrbpt said:
If it keeps doing it after a full clean flash then I would bet it's an hardware problem...
Click to expand...
Click to collapse
Hardware wise is it the lcd/digitizer or motherboard ? Trying to figure that out.
Sorry, can't give any insight on that. I don't even know if there is an easy way to be able to know what of those two is faulty.
Just out of curiosity. Are you in a very moist/damp/humid (not sure what's the right word for this) area?
Do you have sweaty fingers?
I'm asking this because I also feel kind of an unresponsiveness whenever the screen has any moist on it or if my fingers are sweaty.

Messed-Up Display

Hello XDA,
My Nexus 5 running CM12 5.0.2 nightly will not respond to the touches anymore infact when I press the power button to activate the display it acts as if someone is touching it randomly messing all the apps that are running and opening and closing many other things.
Furthermore it displays weird and burned lines throughout the screen. It was not dropped, no water went inside the device or anything. If it helps I did install the OTA updates that CM gives us.
I have also attached pictures so you may get a better understanding of my problem.
Thanks in advance.
Saad S. said:
Hello XDA,
My Nexus 5 running CM12 5.0.2 nightly will not respond to the touches anymore infact when I press the power button to activate the display it acts as if someone is touching it randomly messing all the apps that are running and opening and closing many other things.
Furthermore it displays weird and burned lines throughout the screen. It was not dropped, no water went inside the device or anything. If it helps I did install the OTA updates that CM gives us.
I have also attached pictures so you may get a better understanding of my problem.
Thanks in advance.
Click to expand...
Click to collapse
Has this happened after you flashed a rom or.. ??
semirr said:
Has this happened after you flashed a rom or.. ??
Click to expand...
Click to collapse
Yes after I flashed the rom but not directly after. But after a good 1 month.
Saad S. said:
Yes after I flashed the rom but not directly after. But after a good 1 month.
Click to expand...
Click to collapse
Hmm I see. Well since a month HAS passed, its definetly not the rom thats causing the problem, i don't know if anything regarding the software could even be causing the problem. Its 100% hardware and by that i mean the screen, you should change it, the touch and also the display are messed up.
semirr said:
Hmm I see. Well since a month HAS passed, its definetly not the rom thats causing the problem, i don't know if anything regarding the software could even be causing the problem. Its 100% hardware and by that i mean the screen, you should change it, the touch and also the display are messed up.
Click to expand...
Click to collapse
Is it possible that a driver update could fix this, if so then how?
Saad S. said:
Is it possible that a driver update could fix this, if so then how?
Click to expand...
Click to collapse
Hmm i dont think that a driver could be the problem. And if it is i dont know how you could fix it Google it
I hate to be the bringer of bad news - but your screen is toast. Fortunately you can replace the touch and display components all at once.
http://www.amazon.com/Skiliwah-Digitizer-Assembly-Google-nexus5/dp/B00HN0U168
Here is what you need to perform the repairs - and here are the procedures for disassembly.
https://www.ifixit.com/Teardown/Disassembling+Nexus+5+Display+Teardown+-+liquid+damage/32410
Trust me, it's not that difficult. Unfortunately, it's a bit pricey ($60 for the screen and digitizer), nevertheless much cheaper than a new device or sending your device in for repairs.
Rma
Problem Solved
The screen isn't toast, neither is the digitizer. I have 2 of these phones. The parts which cause problems like this are the main board and the ribbon with the USB connector on it, which also attaches the screen & digitizer to the main board. One was showing lines exactly like this, & also no touch. I put a replacement main board in. Works great now. The other, wouldn't even turn on. I put the main board from the first phone in the second one, it still wouldn't turn on. I replaced the ribbon cable, it turns on and perfectly replicates the issue from the first phone. So now, I have one fully functioning LG Nexus 5, and another which turns on with the same problem as yours. This is good, I started out with 2 of them that were useless to me. So, it appears that your display and touch issues are caused solely by a bad main board. A replacement main board costs somewhere around $75. After swapping stuff around, I have 2 bad main boards, 1 bad USB ribbon & 1 working phone of 2. Not bad, not bad at all.

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