Modern versions of Mac OS X no longer need you to repair disk permissions.However, that’s not the only issue that can occur with a disk or file system. Mac OS X contains a variety of tools for repairing disk, partition, and file system errors.

We regularly release new versions of the Dropbox app with additional features, better performance, and enhanced security. These versions are not always compatible with older operating systems.

Periodically, we'll end support of the Dropbox app for these operating systems to keep our product offerings in line.

Processing power for video editing mac. Otherwise, for $2,899 you can get a fast new iMac that will make you feel like you can get most projects done more efficiently. And if you think this upgrade would be minor compared to what you have now, then you might want to wait until the iMac Pro, which will offer a boost in specs but will also cost nearly twice as much. While I haven’t spent as much time editing on it yet as I inevitably will, and can’t weigh in on how wear and tear and extended use will affect it over time, over the past couple days the new iMac was able to handle short, 4K videos and professional-grade photo editing without any lags, glitches, or overall frustration. If you have an earlier (non-Pro) iMac and are wondering if you should upgrade, that all depends on your specific needs; but it is worth at least comparing your current specs with the upgraded lineup.