Super User is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

i have mac os 10.6(snow leopard) and my external hard drive keeps unmounting when the computer is idle for a long period. how can i fix this its anoying?

share|improve this question

Try System Preferences -> Energy Saver -> Put the hard disks to sleep when possible.

That should stop the disks spinning down, and stop them unmounting.

share|improve this answer

You must log in to answer this question.