Monitor showing in BW Negative

I have an I Mac 15" flat panel G4, for an unknown reason it turns showing from colour to BW Negative looking, yes reverse of BW. Other than that everything is working as usual. I am not " mac expert " , any suggestion will help.

Thank you! My 1-year-old "fixed" this setting for me and I couldn't figure out how to restore it to save my soul. I tried most of the other system preferences, as well as rebuilding my desktop, starting up with extensions off (classic), and resetting my PRAM to no avail. I ALMOST reinstalled my original OS, but decided that I should sleep on it and try the online support in the AM. Finding this thread and reading the correct answer only took 5 minutes -- fabulous!
Anyone know who uses a "white on black" color scheme? Is this for colorblind people?
Julie

Similar Messages

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    I'm going to go with Haribol on this one. When you said "negative", I thought of the key combo to do just that... but from the way you described the problem... especially the part about it being normal for a few seconds... it sounds like you may have gone into Universal Access and accidentally switched it on. There is also a contrast slider... which by default is all the way to the maximum side. If you're not set to black and white, you should be able to slide the slider all the way to the left to get back to normal. I turned on Universal Access once and had the same problem. I didn't make any changes to the settings at all... but it seems that the default is to max out the contrast which give your screen something that can look like a negative. If you reboot, everything will appear normal until Universal Access starts up (within a few seconds of your login).

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    laprete,
    You're Welcome!
    When you opened Universal System Preferences, you may have noticed the key combination that I posted, was displayed under Switch to White on Black, in key symbols.
    This KB Article Symbols for special keys, shows you what symbols correspond to which keys.
    You will see these symbols used in various other places as well. In the Finder contextual menus, for example. Keyboard Shortcuts.
    ali b

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