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  1. Thread Author  Thread Author    #1  

    Default Temporary Scribble line on Screen when Scrolling

    I'm a newbie to this forum so hi to all.

    Today I bought an Asus MemoPad ME173x and have just updated it from 4.2 to 4.4.2. Suddenly now when I scroll the screen I'm getting a temporary thin blue scribble line on the screen. When I scroll again this first line disappears but is replaced by the next scroll trail line.

    Can anyone explain where this trail line is coming from please? I can't see any background drawing apps that might be causing it.

    Many thanks for any help.
  2. Thread Author  Thread Author    #2  

    Default Re: Temporary Scribble line on Screen when Scrolling

    Sorry, I should also have said that I'm getting single x-y grid lines with a circle at the intersection.
  3. Thread Author  Thread Author    #3  

    Default Re: Temporary Scribble line on Screen when Scrolling

    I have found the solution to this issue. It is switched on and off via:

    Settings > Developer options > Pointer location (Screen overlay showing current touch data).

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