Ghost or phantom touches

Ghost or phantom touches

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  • This topic has 45 replies, 14 voices, and was last updated 10 years ago by Pepe.
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  • November 28, 2015 at 9:57 am #16919
    Dave R
    Participant
    • Posts: 20

    I have the same problem and was about to start a new thread about it. The weird thing is it only happens in Windows (I’m running 10).

    Just to check we have the same issue, in my case,

    • Sometimes when charging if I press the screen I get double or triple random presses on screen.
    • My touch device is the MYI2C device
    • When charging or after using for a while I get those totally random inputs you describe. They can be key presses and actual drags across the screen.
    • It doesn’t happen in Android?

    I have the touch device disabled in windows currently as it’s annoying me so much! I was wondering myself if it was a heat issue/combined maybe with a driver? I’m tempted to go back to windows 8 to see if I have the problem there but that’s alot of work!

     

    November 28, 2015 at 10:00 am #16920
    Dave R
    Participant
    • Posts: 20
    Phuturist wrote:

    I read that it might be related to grounding issues, but I dont feel much like opening up my new Vi10 Pro.

    Hi Phuturist, where did you see that?

    Thanks!

    November 28, 2015 at 12:35 pm #16925
    Phuturist
    Participant
    • Posts: 31
    • Cant really tell if it happens when charging as I charge overnight
    • I have the same touchscreen (MYI2C)
    • It happens for me on Android as well (which leads me to believe it’s not a software issue)
    • It’s random presses and swipes
    • I also own an Onda v102w has the same issue (I actually bought the Chuwi because I was getting fed up with this issue)

    The grounding issue came up when Googling for touchscreen ghost touches:

     

    November 28, 2015 at 1:32 pm #16929
    Dave R
    Participant
    • Posts: 20

    Very interesting and makes some sense…. although doesn’t explain why I can’t see it in Android, could it then be a heat thing?

    The question is do I try taking it apart to investigate?

    November 28, 2015 at 4:37 pm #16940
    Dave R
    Participant
    • Posts: 20

    Ok so I’ve taken the back cover off just to see how it goes and I’ll report back later, I have spotify playing – I’m using it and I have the charger plugged in.

    November 28, 2015 at 4:43 pm #16941
    Phuturist
    Participant
    • Posts: 31

    Nice one, interested to hear the results of your experiment (as I was too scared to do it myself).

    November 28, 2015 at 8:15 pm #16956
    KOCTYCb O o
    Participant
    • Posts: 4

    http://techtablets.com/forum/topic/chuwi-vi10-pro-64gb-fix-restore-etc/#post-14635

    November 28, 2015 at 8:19 pm #16957
    KOCTYCb O o
    Participant
    • Posts: 4

    my video unpacking tablet https://www.youtube.com/watch?v=fmU-RVyVO7s

    sorry for my english

    my fotos https://yadi.sk/d/XcRvcVebkJKAs

    November 28, 2015 at 9:28 pm #16960
    Dave R
    Participant
    • Posts: 20

    I’m totally confused, in Win10 it looks like a hardware fault, plug the charger in and by tipping the screen cable in a certain place, there’s the fault! I’ve tried a few different things and still no joy!

    With the power cable in I get phantom touches. However if I switch to Android it’s OK,  I’m typing this on screen in android now with the charger in and no issue?

     

     

     

    With

    November 28, 2015 at 11:55 pm #16964
    Chris G
    Keymaster
    • Posts: 2677
    KOCTYCb O o wrote:

    my video unpacking tablet https://www.youtube.com/watch?v=fmU-RVyVO7s sorry for my english my fotos https://yadi.sk/d/XcRvcVebkJKAs

     

    Thanks for the video and pics! Very handy to have. Never opened mine for risk of breaking the glass rear.

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    November 29, 2015 at 4:47 pm #17022
    luc
    Participant
    • Posts: 15

    Hi Everyone.

     

    I have same problem as well plus my screen is unresponsive many times. I have this problem both in windows and android. Also one speaker is louder than another but this is minor problem. Im in contact with gearbest where i bought tablet and im willing to return it. Im thinkink about taking hi10pro model instead but im affraid that quality issues will occur again.

    Here are the videos of:

     

    Screen freezing:

     

     

    Ghost touches:

     

     

    November 30, 2015 at 12:03 pm #17088
    KOCTYCb O o
    Participant
    • Posts: 4

    sorry for my English. I translate through an interpreter.
    a problem for all who audit tablet VI10PQ64g221509 ****.
    at the moment there is no solution. the Russian-speaking forum http://4pda.ru/forum/index.php?showtopic=660077&st=6120 is a discussion of the problem, and are looking for methods of solution.
    but the isolation loops of film adaptation, the device further cooling of the processor did not bring the desired results,
    at the moment it is considered that the problem is not the correct harness chip touchscreen. so as soon as it warms up, and it should not be heated in theory, begin touchscreen glitches.

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    November 30, 2015 at 7:31 pm #17115
    Phuturist
    Participant
    • Posts: 31

    Thank you for the feedback KOCTYCb O o … hopefully a fix is found.

    December 1, 2015 at 3:52 pm #17219
    steve cooper
    Participant
    • Posts: 10

    I was having the same problem with my tablet, phantom touches and the screen becoming unresponsive in both Windows and Android. I contacted Banggood who I bought it from and they decided it was a defective tablet, so I have returned it and they are sending me a new one.

    December 1, 2015 at 10:34 pm #17256
    Dave R
    Participant
    • Posts: 20

    Hi KOCTYCb O o, I noticed when I tipped the area in red in my screen shot the screen ghosted like crazy!  Worse with the charger in!  I tried insulation tape in places there but no joy – I suspect a faulty unit as Steve above said! Real shame as it was a great tab otherwise! I’ve contacted my seller but (a) I’ve had it open and (b) Haven’t had much luck returning things before. If anyone finds a fix I’m all ears! Thanks!

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