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  1. #1
    Soundwave
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    Unresponsive Asus Touchscreen

    I have an Asus tf101 tablet and on an OTA update the tablet's "touch" functions seems to be malfunctioning. In other words I cannot activate the "start" button via touch when the asus tablet starts up and the Android welcome screen appears. I can adjust the volume and I can reboot the machine however using the volume and power buttons. Research on google has shown the below techniques none of which seemed to have worked:-

    I tried wiping the device
    resetting the device to factory settings
    flashing the device using EasyFlasher
    updating the firmware
    draining the batter life

    And I am still not able to get any touch functions working
    Could this be a hardware problem?(my warrenty is up)
    Or is this a software problem?

    What can I do to fix this

  2. #2
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    Welcome to the forum

    From what you have posted & what you have done, I'd say this was a hardware issue.

    But it may be nothing more than a loose screen cable inside - so if you feel like trying, you could follow one of the tear down guides to open up your device and check to see. Possibly disconnecting & reconnecting a cable might do the job.

    All the best

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  3. #3
    Soundwave
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    Quote Originally Posted by janner43 View Post
    Welcome to the forum

    From what you have posted & what you have done, I'd say this was a hardware issue.

    But it may be nothing more than a loose screen cable inside - so if you feel like trying, you could follow one of the tear down guides to open up your device and check to see. Possibly disconnecting & reconnecting a cable might do the job.

    All the best
    Believe it or not I have it stripped down in front of me...what EXACTLY am I looking for? as I don't see anything out of the ordinary

  4. #4
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    I can't say for certain, but others have talked about a ribbon cable connecting the screen to the motherboard. Anything like that easy to get at?

    PLEASE Search for existing threads before posting a new one. Thanks.

    Your opinion matters. But should you disagree - please try not to be disagreeable

    Forum guide - here ~~ T100 FAQs - here ~~ Cold boot - here

    Adobe Flash Player & Browser Guide here

    Master Help Guide - here ~~ FAQ malware - here ~~ FAQ e-reading - here
    Mobile OS devices personal pantheon...
    ANDROID: Doogee DG310; SGS; Huawei Y300; Motoroloa Xoom 2ME; Razr; Defy Mini; CnM Touchpad II;
    Asus TF101; Lenovo A1; Samsung Tab 2 7.0
    APPLE: iPhone 4s; iPhone 5c; iPhone 6; iPad 3; iPad Mini 2; iPad Air 2 64gb
    CHROMEBOOK: HP 14-Q010sa Celeron 14 Inch 4GB 16GB Chromebook - White.

  5. #5
    Soundwave
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    Quote Originally Posted by janner43 View Post
    I can't say for certain, but others have talked about a ribbon cable connecting the screen to the motherboard. Anything like that easy to get at?
    Yep all of 'em seem to be intact. I was able to use the TF101 for quite a while...until the automatic upgrade of android. Is there anyway to use a lower android version and disable automatic upgrade?

  6. #6
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    I'm surprised you still got the upgrade OTA to be honest (presumably from Honeycomb 3.2.1 to Android 4.0.3) - the last official update that Asus pushed out for the tf101 (.27 in the build number) was well over a year ago now.

    I don't think I have ever heard of anyone rolling back to Honeycomb - and in any case, I cannot think that the OS change in and of itself has caused this problem.

    I'm sorry to say that I don't think I can personally offer any further help on this, other than to wonder if while the LCD screen itself is fine on your device, it is the digitiser (that part which converts touch to action in the device) that has developed a fault.

    I think the only other thing I might do would be to disconnect, clean the contacts if possible & then reconnect the cables you can see that are easy to get at, especially ones related to the screen & then see if that gets it working again. It might not be much at all, perhaps just a "tarnished" connection that needs to be "re-made". The current flows inside these devices are not that high & it wouldn't take much corrosion, dust or whatever to get in the way.

    All the best

    PLEASE Search for existing threads before posting a new one. Thanks.

    Your opinion matters. But should you disagree - please try not to be disagreeable

    Forum guide - here ~~ T100 FAQs - here ~~ Cold boot - here

    Adobe Flash Player & Browser Guide here

    Master Help Guide - here ~~ FAQ malware - here ~~ FAQ e-reading - here
    Mobile OS devices personal pantheon...
    ANDROID: Doogee DG310; SGS; Huawei Y300; Motoroloa Xoom 2ME; Razr; Defy Mini; CnM Touchpad II;
    Asus TF101; Lenovo A1; Samsung Tab 2 7.0
    APPLE: iPhone 4s; iPhone 5c; iPhone 6; iPad 3; iPad Mini 2; iPad Air 2 64gb
    CHROMEBOOK: HP 14-Q010sa Celeron 14 Inch 4GB 16GB Chromebook - White.

 

 

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