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  1. #1
    Soundwave
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    Question Touch screen malfunctions intermittently

    Hello everyone,

    I bought my T102HA in December and the first day I had it I noticed that, roughly once a day, the touch screen would stop recognizing pen input. More recently I've noticed that occasionally the touch screen will start to register constant finger input at a given location on the screen, even when I'm not touching the screen.

    Extra notes:
    * Restarting the tablet always fixes both problems (not permanently, of course)
    * Sometimes (not always) resetting the pen by removing the battery solves the problem with the pen
    * Sometimes the pen problem resolves by itself
    * Sometimes I get similar pen problems, e.g., the tablet thinks the pen is touching the screen when it's just hovering, or there will be perfect pen input but no input from the pen buttons

    Has anyone had this problem before? Any ideas on a solution? I haven't tried resetting the device yet as it's time-consuming and it seems questionable if it will help, but I'll try it if people here think it has a good shot of helping. I have tried disabling/re-enabling some relevant sounding drivers, and uninstalling and reinstalling the pen driver, but that has done nothing.
    Last edited by notouch4me; 03-18-2017 at 04:02 PM.

  2. #2
    Soundwave
    Member #
    92989
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    Apr 2017
    Tablet
    TF Book T102HA
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    My T102's touchscreen lost functionality twice within 5 days of purchase. Restarting always fixes it.

    Googled quite a lot. Seems Windows automatically turns off the touch screen for power-saving purposes, or there is a problematic driver (the latter is more likely).

    I went to Asus's official website and installed all the latest drivers and firmware related to T102. So far the problem has not recurred, yet.

  3. #3
    Soundwave
    Member #
    92989
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    Apr 2017
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    TF Book T102HA
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    This customer has a similar problem:
    My touch screen isn't working, transformer mini, no, no everything else seems fine

    His case suggests that a driver related to the touchscreen is problematic and when it fails, you need to manually restart it.

    So, upgrading to the latest drivers and firmware MIGHT be useful.

  4. #4
    Soundwave
    Member #
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    Upgrading to the latest drivers still didn't cure it, but reverting to the initial drivers did.

    I brought the machine to the local Asus service center, and the technicians there fixed it by resetting the system to factory status and disabling the Windows Update service (run services.msc to see and disable it).

    Doing that also fixed another problem: sleep of death. My machine had run 7 days and 8 hours until I manually restarted it.

  5. #5
    Soundwave
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    Thank you yaoziyuan, I seriously appreciate your replies!

    Just wondering, when you say the technicians "fixed it by resetting the system to factory status," what specifically do you mean? I know you go Settings > Update & security > Recovery, but I am wondering what you do from there, since there a lot of reset options and none of them on my tablet mention resetting to factory status. Could you kindly tell me which specific reset they chose?

    And once they reset it, I'm guessing disabling Windows Update service was basically the first thing they did once it rebooted?
    Last edited by notouch4me; 05-08-2017 at 06:30 PM.

  6. #6
    Soundwave
    Member #
    92989
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    Use this guide:
    How to Reset Your Windows 10 PC

    At step 5, I chose "Remove everything";
    At step 6, I chose "Just remove my files".

    It basically gives you a clean reinstall of Windows 10.

    During setup, Windows will ask for your Wi-Fi access point and password. Skip this step and keep the machine offline, so that Windows won't download and install any updates. After you see the Desktop, run services.msc and find the "Windows Update" service; in its Properties dialog box, stop this service and set "Startup type" to "Disabled". Then you can enable your Wi-Fi and see if Windows updates are now blocked.

  7. #7
    Soundwave
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    Thanks. Unfortunately I followed your instructions but my tablet is still have intermittent difficulties with my pen. This does not mean that the effort was all in vain, since there may be multiple factors causing the problem of which the new updates were just one (e.g., maybe my pen battery is low on power?). I'll try some other things and post what happens soon. One thing I've noticed is that often what triggers the pen to stop working for a short time is clicking the buttons on the pen. I'm not sure what the link is, though.
    Last edited by notouch4me; 05-09-2017 at 08:58 PM.

  8. #8
    Soundwave
    Member #
    92989
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    TF Book T102HA
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    I don't use/need the pen so the pen is not my concern...

 

 

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