OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni , JAW PseudoAnacron , or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep.
Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger. These utilities have limited or no functionality with Snow Leopard or Lion and should not be installed.
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive. As for virus protection there are few if any such animals affecting OS X.
Personally I would avoid most commercial anti-virus software because of their potential for causing problems. For more about malware see Macintosh Virus Guide. For emergency repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line.
Note that AppleJack 1. AppleJack 1. There is no confirmation that this version also works with Lion. When you install any new system software or updates be sure to repair the hard drive and permissions beforehand.
You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are order is not significant :. Carbon Copy Cloner. Data Backup.
Deja Vu. Synk Pro. Synk Standard. Additional suggestions will be found in Mac maintenance Quick Assist. Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Add more RAM.
The more concurrent applications you tend to use the more RAM you should have. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down. Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps.
Be sure to note the name of the runaway process so you can track down the cause of the problem. Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file. Jun 30, PM. Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive. Optionally , click on. Click on. Note : You will need an active Internet connection. I suggest using Ethernet if possible.
There are a few other possible causes of generalized slow performance that you can rule out easily. Select it in the results it should be at the top. The application is in the folder that opens.
Click Utilities , then Activity Monitor in the icon grid. I did not originally download this myself, as far I know it doesn't have any virus contained in this.
I had a friend send me quite a few Mac OS installers from different time periods. Use at your own risk, I am not responsible for piracy and will never support that. Use software you own, if you don't own a copy of this it's probably safe to get your own copy instead of just straight downloading and using this on a Intel system. Use this at your own risk don't pirate this copy. If you get a certificate error or validation go into terminal when booted into the installer and do enter this command sudo date this command will set your date to March Fourth After doing this in the terminal in the Mac OS installer, reboot the computer and try again.
If the date sets automatically disconnect from the internet, and rerun the command again then restart. Use this command to fix Mountain Lion sudo xattr -rd com.
Images Donate icon An illustration of a heart shape Donate Ellipses icon An illustration of text ellipses. EMBED for wordpress. Want more? Advanced embedding details, examples, and help! Publication date Topics mountain , lion , mountainlion , osx , macos , macosx , osxlion , osxmountainlion , osx Un-archive the zip archive and you will get the app Installer. NOTE: If you get a damaged message when launching, no need to worry. Run this command in Terminal:.
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