Troubleshooting Display Probs

Discussion in 'Mac Basics and Help' started by maehara, May 14, 2007.

  1. maehara macrumors regular

    Joined:
    Jan 2, 2003
    Location:
    Northern Ireland
    #1
    A plea for help, as I'm drawing a complete blank trying to figure this one out.

    Came home today to find the display on the Mac essentially unreadable - brightness & contrast both pushed up so high you can't make anything out. It's a software thing - if I user switch to my other half's account, everything returns to normal, switch back to my own account and it all goes haywire again. So definitely not a hardware or monitor fault (seems the cat was sleeping on the keyboard, and whatever combination of keypresses that has produced has been the guilty party).

    I'm at a loss as to where to start - I've checked under System Prefs, what options there are under Display & Appearances don't cover the problem - anyone able to point me in the right direction?
     
  2. mkrishnan Moderator emeritus

    mkrishnan

    Joined:
    Jan 9, 2004
    Location:
    Grand Rapids, MI, USA
    #2
    If a cat did this while on your keyboard, it's almost certainly something within the Universal Access Sys Prefs section -- I believe there are one or two high-contrast modes available there that could be doing what you're describing, and they have hotkeys associated with them. So start there.

    If that doesn't work, then try going to displays -> color and changing the screen calibration, say to one of the sRGB options (and then you can re-calibrate it). But 99.9% it's Universal Access.
     
  3. maehara thread starter macrumors regular

    Joined:
    Jan 2, 2003
    Location:
    Northern Ireland
    #3
    ..and that's just what it was. Thank-you!
     

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