IPad 4 touch screen unresponsive

Touch screen unresponsive, cannot unlock device. Replaced touch screen, now I get nothing from LCD display. Triple checked ribbon connectors. Where should I begin looking for solutions: battery, logic board, LCD display? Tries to connect to iTunes, but without display working, I cannot enter passcode.

I'm sorry, but if you took your own device apart there's nothing anyone here can do to help you. Your issues are a level of technical support that's beyond what's covered here.
Maybe an unofficial forum would serve your needs better.

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My IPad touch screen won't respond to my touch. Any ideas?

I used my IPad this morning to check my internet. When I came home this afternoon, there is a message that says IPad hasn't been backed up in 2 weeks. Backups happen when this IPad is plugged in, locked and connected to wifi. I have plugged it in and it is connected to wifi. I try to tap the ok button under the message, but it won't go away, and I can't swipe the screen to actually use my IPad. Ideas on how to get the screen to work?

Hey gnuz,
There's a bunch of people having this problem since iOS 8 came out. It seems to be affecting iPhones, but perhaps the iPad is having the same issue.
Check out this post:
Touch Screen unresponsive after iOS 8 update
Hopefully a fix can be released by Apple soon.
Smurfu

HT201406 my ipad touch screen is not working please give solution for it.

my ipad touch screen is not working please give solution for it.
i have connected ipad to itunes and done it restore seetings then also my touch is not working but
when i connected ipad to i tunes inside functions are working properly but touch screen is not working what can i do

If you have a screen protector on the iPad's screen, try removing it. If you don't or that doesn't help, and restoring the iPad to factory settings has not corrected the problem, then the iPad probably has a hardware problem and will need to be taken or sent to Apple for replacement.
Regards.

How to fix an iPad touch screen?

My iPad touch screen is writing alone and opening many task at the same time.

Hi jcr1998,
Welcome to Apple Support Communities.
It sounds like you've already done quite a bit of troubleshooting with the iPad. The article linked below will provide a few more suggestions and help you resolve the issue.
iPhone, iPad, iPod touch: Troubleshooting touchscreen response
http://support.apple.com/kb/ts1827
Resolution
If your device is experiencing any of the symptoms listed above, try the following steps:
Restart your device
Hold the On/Off button until "slide to power off" appears. Slide to power off your device. When it is off, press the On/Off button to turn it back on.
If you can't restart your device, reset it by pressing and holding the Sleep/Wake button and the Home button at the same time for a least ten seconds, until the Apple logo appears.
Clean the screen with a soft, slightly damp, lint-free cloth.
Avoid using the device while wearing gloves, with wet hands, or immediately after applying hand lotion.
If you have a protective case, or if you are using a plastic sheet or film on the display, try removing them and testing the device without it.
If the steps above don't resolve your issue, please schedule a service appointment with an Apple Retail Store for evaluation. If an Apple Retail store is not an option, contact Apple to find out your best service option or see theService FAQ for your product.
-Jason

Any Ideas why my two day old ipad touch screen periodically doesn't respond to touch?

Any Ideas why my two day old ipad touch screen periodically doesn't respond to touch?

See what you missed here:
Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

My apple iPad touch screen is not responding

My apple ipad touch screen is not responding it was working since few hours then that happened. There is no a single point on the responds to touch but everything is working on the welcome screen, detects the Wi-Fi ... etc.
First thing I did was passing on my local agent store. They did a soft reset what caused lose all data and apps (not a problem) but they didn't fix and asked to visit the support branch .. now i can't use the "Siri trick" and I think it's not helpful after resetting my device.
I tried removing the screen protector but still no hope. Turned off it and cleaned the screen but didn't help!!
Is There another way? Any expected scenarios/time when I visit the repair branch in Egypt?
I've upgraded to latest (7.12) 2 or 3 weeks ago

Thanks ..
I've mentioned that I did that now I'm in another stage, The iPad at the main reseller support department and they told me now that they will give me another in return .... the strange thing I have heard was that I have to wait 4 weeks until they get me one from Apple .. I'm i Egypt

HP 8620 Touch Screen Unresponsive - Firmware Software Bug?

Hello, I have the latest "firmware update" on the HP 8620. Can someone please confirm this bug? I don't know if it is just for the HP 8620 or if it applies to all HP touchscreens. Basically if you go into any setting option, then hit the "home" icon and right after you swipe either left or right, it ends up rendering your touch screen unresponsive to swiping left or right. Is this bug already a known issue? The only way to correct the touchscreen so it is responsive again is hit the question mark, or an icon on the bottom and hit the home button (without swiping left/right right after the home button).

Hi , Welcome to the HP Support Forums! I see that you're experiencing issues with your touchscreen on your HP Officejet Pro 8620 e-All-in-One Printer. I will certainly do my best to help you. Please confirm you have the latest Firmware Version: FDP1CN1502AR. If you do not, please go to HP's download page by clicking here. As far as I know, this is not a known issue with the printer or with the printer's Firmware Update. This could be a glitch in the touchscreen, which a Reset should resolve. Let's start by performing a Hard Reset.Leave the printer on and unplug the power cable from the printer and wall outlet for 60 seconds.Then reconnect the power cable to the printer and wall outlet rather than a surge protector.This ensures the printer is receiving full power and may help this situation.Make sure the printer is connected directly to a wall outlet. (don't use a power bar or a surge protector) This ensures the printer is receiving full power and may help this situation.If you're still experiencing issues, we may need to perform a Semi-Full Reset. I can send you that information in a private message. In the forum beside your handle name just click on the envelope to view it. Please respond to this post with the result of your troubleshooting. I look forward to hearing from you. Good Luck!

HT1766 iPad touch screen stopped working. Can't scroll or select any apps. Can't reboot. Connect to PC via iTunes doesn't recognize the iPad.

The iPad touch screen suddenly stopped working. It's been fine, but stopped all of a sudden. Couldn't reboot since pressing the hibernate button also asked for a "swipe" but couldn't swipe since the screen isn;t sensing any touching. can't scroll main screen appas. Can't connect to iTunes, says not connected. Next stop Apple store unless someone has an idea.

Have you tried a soft-reset ? Press and hold both the sleep and home buttons for about 10 to 15 seconds (ignore the red slider if it appears), after which the Apple logo should appear - you won't lose any content, it's the iPad equivalent of a reboot.

My ipad touch screen not,also reseted it. It stops suddenly and goes out of control. Need answer very quickly

My ipad touch screen not,also reseted it. It stops suddenly and goes out of control. Need answer very quickly???????

Try doing a reboot by holding both the power and home buttons until the apple logo appears and it restarts, ignoring the red slider if that appears.
If that does not help, take the iPad to an Apple store genius bar and have the techs check out the screen to see if there is a hardware fault.

Unresponsive iPad touch screen

My iPad's touch screen randomly stopped responding to touch while I was using it. I found this strange because I had not dropped it or anything like that, and it had been working just fine. I first tried a reset and when that didn't work, I restored it. It is still unresponsive, so I was wondering if anyone had some suggestion as to what I could do next as the nearest Apple Store is not very close to where I live.

Does the iPad turn On OK?
Try this - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.) No data/files will be erased. http://support.apple.com/kb/ht1430
Frozen or unresponsive iPad
Resolve these most common issues:
    •    Display remains black or blank
    •    Touch screen not responding
    •    Application unexpectedly closes or freezes
http://www.apple.com/support/ipad/assistant/ipad/
iPad Frozen, not responding, how to fix
http://appletoolbox.com/2012/07/ipad-frozen-not-responding-how-to-fix/
iPad Frozen? How to Force Quit an App, Reset or Restart Your iPad
http://ipadacademy.com/2010/11/ipad-frozen-how-to-force-quit-an-app-reset-or-res tart-your-ipad
iPad: Basic troubleshooting
http://support.apple.com/kb/TS3274
 Cheers, Tom

Touch Screen unresponsive after iOS 8 update

My 1 year old 64GB iPhone 5 touch screen started to become unresponsive after iOS 8 update
It's not consistent. Touch screen functionality will seize whilst phone is being used for either answering calls, typing messges, surfing, gaming etc and won't become responsive until it is turned off and on again (via power button). Home button is functioning with no problems.
As the phone is now out of its warranty period I want to verify if it's the OS that's causing this or do I actually have a hardware issue.

I have the same issue. iPhone 5, 1 year-old, not even a scratch.
Sometimes my touch screen works, sometimes not. When it works, it is just for some seconds, then some phantom touches start to happen all over the screen, but specially, when i'm typing, it types z or m, when I try to type something in, and it receives it, it will act as z or m again....
If I switch off my screen and switch on again... sometimes it will work, sometimes it wont... veeery unstable.
I considered downgrading to 7.1.2 but since I heard it is ilegal I decided to wait for a new iOS release.... any suggestions? (already wiped it and the issue continued...)
Is it really not recommended to downgrade it and have my phone funcionalities back?

IPad touch screen does not respond even after full restore and update

I have an iPad 2 64 GB
It has for a number of months intermittently stopped responding to any touch screen inputs. This issue began almost as soon as I opened the iPad for the first time. As it was happening very rarely and normally responded eventually, so I thought nothing of it.
This week the iPad will not respond to any touch input at all (Home, On/Off, Volume and Mute buttons still respond). I have tried the hard reset process a number of times and still nothing.
I backed up the device to my machine and applied the latest update 5.1.1 and still no response. I then did a factory reset and still nothing.
I have never dropped or damaged my iPad in any way.
Does anybody know of any ongoing issues with the touch screen or a solution to this problem?

Thank you.
I've already booked myself in to the Genius Bar this week.
I suspect it is a hardware failure and more specifically a loose internal connection.

Touch screen unresponsive while charging

The touch screen on my iPod touch 5 can be sluggish or unresponsive. I've isolated the problem to when I've got it plugged in to charge and the charge is complete but I've not unplugged it. I'm using apple charge cord. Has anyone else had this problem? Obviously when the problem occurs now, I unplugged the iPod. Just wondering if it points to some larger problem I need to have Apple look into.

Other users have reported the same problem and I made the following suggestions but they nevery posted back:
Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Try another cable
- Try another charging source
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
If still problem, make an appointment at the Genius Bar of an Apple store since it appears you have a hardware problem.
Apple Retail Store - Genius Bar

Droid 3 touch screen unresponsive

I was wondering if there is an alternate way of removing an app other than using the android market. My droid 3's touch screen is unresponsive and I know that the app Go Locker is causing the problem.

<Moved to the "Android" space from the previous location for more exposure.>

IPad touch screen not calibrated

My iPad's having problems with its touch screen because sometimes when I type with certain keys, it enters the key twice which is very annoying.
I'm actually typing on my iPad now and it's aautocorrect is the only thing that's fixing it right now. It seems like the lower right of my screen is very uncalibrated along with various spots. This also occurs in apps. For example, when I drag my finger across the screen to drag things it goes back to where it was at random intervals. Say I'm dragging an app to the first page, sometimes the app ggoes back to where it was when I'm a about to place it. I've tried resetting and restarting the iPad but it still has this problem. If aautocorrect wasn't on, this message would just aappear aass gibberish due to all of the double letters appearing even though I tap the key once.
This problem appears on every aapp and is on the iPad itself.

Try doing a reboot by holding both the power and home buttons until the apple logo appears and it restarts, ignoring the red slider if that appears.
If that does not help, take the iPad to an Apple store genius bar and have the techs check out the screen to see if there is a hardware fault.

IPad 4 touch screen unresponsive

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