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reinstall os

  1. T

    How-to re-install?

    Calendar searches broke (of course) with update to 12.6.3. Flushed spotlight first only Lib/Cal, but after that for the whole boot drive. Nada. Seems like whole OS reinstall then. Again. Clicking the link from Apple's support doc, opens up App Store, which opens up Prefs. No can do. Since I'm...
  2. D

    iMac with no OS and not working keyboard connection

    I have an old iMac vintage 2009. While my son had it he somehow wiped the OS from it. Now it starts with the question mark folder. To make matters worse, I can't seem to get it to respond with a wireless keyboard, so I'm not able to do anything with it. Any ideas about how I can reinstall...