Make a backup copy of the MacBook Air USB Software Reinstall Drive#macosx#macbook#backup#macbookair#tip#howto#admin#it#restore·tuaw.com·Jul 18, 2011Make a backup copy of the MacBook Air USB Software Reinstall Drive
Time Machine: Troubleshooting backup issuesTips on how to troubleshoot your sparsebundles#apple#tech#support#timemachine#macosx#it·support.apple.com·Dec 18, 2009Time Machine: Troubleshooting backup issues
