Touchscreen Not Working On Left Side

Discussion in 'Allwinner A31 Based' started by CassandraC, Jul 12, 2015.

  1. CassandraC

    CassandraC Junior Member

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    Hi all,

    I've had my A31 for a good year and it's worked absolutely fine, but the kids have been on it and now it's developed a problem where about 1cm of the left hand of the touch screen responds but reports that the touch has happened 1cm in from the edge. The practical outcome of this is that in the landscape keyboard if I press q the tablet thinks I've pressed w. Pressing w and everything to the right of that is ok.

    I've switched on the developer tools "show pointer" and I can see the distinct line where nothing to the left is in the correct place, though the section to the left isn't dead just mis-reporting where the touch is.

    This doesn't look like a hardware fault to me, more of an issue of the tablet forgetting that it's a 9" screen.

    Any suggestions on what to look at to fix? I'd guess that a Factory data reset wouldn't fix, but that a Firmware reinstall may, or are there some settings somewhere on it that I could check and change?

    Thanks.

    Tablet Details:

    Model-number
    Allwinner-Tablet

    Android version:
    4.4.2

    Firmware version
    v4.5

    Kernel version
    3.3.0
    luo@louzexiong-desktop #12
    Mon Jun 16 11:45:52 CST 2014

    Build number
    e913h_wifibt_mtk_hd_v4.5_1.4_0.4_20140616

    Processor type
    QuadCore-A31Series

    SELinux status
    Enforcing
     

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