Preview slow opening images problem finally solved

Discussion in 'Mac Apps and Mac App Store' started by McMark, Oct 18, 2010.

  1. McMark macrumors newbie

    May 3, 2005
    I have decided to share a fix for a problem i have been trying to solve
    for a long time. For at least 6 months i have noticed that when i open a bunch of jpegs, that they open soooo slow and as i scroll from one to the next, each image opens in blocks from the top to the bottom until it finally opens after
    a few seconds.
    I tried all kinds of fixes such as repair permissions, dumping the pref files for preview, force quitting. I didnt reinstall preview which with hindsight may have fixed the probelm however i will tell you what i did that immediately solved the
    I simply selected preview in application, chose command "I" or apple "I "
    and de selected "open in 32 bit mode"
    I am stuffed if I know why it became selected in the first place. This macbook I use was bought by me brand new so no one else uses it.
    Any way i hope it this info helps someone. I had been searching for this fix for a long time.
  2. spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    Every 64-bit application starts in 64-bit mode, thus it is selected. I presume you have Mac OS X 10.6 Snow Leopard on your MacBook?

    Btw, what file size do those .jpg images have?
  3. McMark thread starter macrumors newbie

    May 3, 2005
    About 2 meg each.

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