Mouse only working in top left quadrant

Discussion in 'OS X El Capitan (10.11)' started by woff3212, Dec 4, 2015.

  1. woff3212 macrumors newbie

    Dec 4, 2015
    I have recently downloaded and installed El Capitan and ever since I did, my mouse is only working in the top left quadrant. I have restarted multiple times, but have not been able to get this issue resolved. Any help and guidance would be greatly appreciated!
  2. Rodan52 macrumors regular


    Sep 21, 2013
    Melbourne, Australia and Bali, Indonesia
  3. desertman macrumors 6502a

    Jul 14, 2008
    Arizona, USA
    ... what kind of monitor, one monitor or multiple monitors?

    Have you tried to forcibly relaunch the Finder (Apple Symbol - Force Quit Applications - Finder - Relaunch)?

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