Touch screen not working properly

Discussion in 'Samsung' started by Herman000, Dec 16, 2011.

  1. Herman000

    Herman000 Pen Pal - Newbie

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  2. bobp

    bobp Scribbler - Standard Member

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    There is a separate thread I created for touch problems while charging. I also suspect the 3rd party charger I purchased is causing problems, since I don't seem to have the problems with the stock charger that came with my slate. I don't have the equipment here to test the 3rd party adapter. I suspect it is generating the required 19V (since the slate seems to work and charge) - but that the outputted signals may not be clean - which may be interfering with the touch hardware.

    Can you clarify that the link you provided is for the charger that does NOT work with your slate?

    The adapter I purchased was from the following site - and while it seemed to be working, could be the source of my touch problems.

    AC Power Adapter Cord 40W for Samsung AD-4019P,PA-1400-14,100% Compatible | eBay
     
  3. Aussiehoudini

    Aussiehoudini Pen Pal - Newbie

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    here's my weird addition to the screen not working posts:
    tonight i downloaded a piece of software which added some widgets to the screen (bit of eyecandy). And the touchscreen after a sleep stopped working. I couldn't use the touch login. I connected a usb mouse and was able to login. The touch was detected but it always clicked on the far left side of the screen almost under the bezel. It didn't matter where i clicked. The pen worked though.
    I restored to an earlier windows restore point, before i put te software on but it didn't work.
    I tried re-installing drivers, restoring to an earlier point, lots of things over quite a few hours.
    I decided i would have to re-install windows from scratch and co sidered windows 8 this time (I started with win8). Iread this forum about booting into te bios to fix the issue so i thought i'd give it a try before spending hours restoring windows. I couldn't remeber how to boot to the bios and ended up booting into the samsung restore software. Ineeded my mouse again to get out. I tried again and started to go to the restore again so i hard stopped it by holding the power button for 5 seconds. On thenext boot the touchscreen worked!
    Seems to be working ok again for no reason :confused:
     
  4. webdev511

    webdev511 Pen Pal - Newbie

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    I had the same issue, but with my pen input. Did a system restore back to just before the last two MS Updates and its working again. I guess I can't complain as it is a Preview OS.
     
  5. timpaatkins

    timpaatkins Scribbler - Standard Member

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    Where you running Win 8 webdev?
     
  6. Valkirie

    Valkirie Pen Pal - Newbie

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    When I use Windows 8 Dev on my Slate i get strange Touch screen behavior.
    It happens when I tap & hold on the screen, touch indicator starts blinking like if I was touching again and again at the same spot. It gets pretty hard to reach right click.
     
  7. Canouna

    Canouna WinUnleaked

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    Same here on W8 Beta, we need to get some Win8 drivers for our lovely slate...
     
  8. Deathdemon

    Deathdemon Pen Pal - Newbie

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    I've noticed touch input behaves really strange when my S7S is in dock and is charging at the same time. These were supposed to be 3 straight horizontal lines:
    [​IMG]

    Pen input works ok though.
    As soon as I remove device from dock or disconnect the charger, everything is back to normal.
    Doesn't seem like a device issue to me, most probably some interference from the power line (we don't have a ground contact in our power outlets, probably this can be the cause).
    It just shows once again that if you've just noticed some issues with touch and don't know why it happens, make sure to exclude influence of the charger in the first place.
     
  9. jerome snail

    jerome snail Pen Pal - Newbie

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    Same problem here!
     
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