![]() (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If it does not say "Verified" then the hard drive is failing or failed. ![]() In the DU status area you will see an entry for the S.M.A.R.T. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. When the menu bar appears select Disk Utility from the Utilities menu. After the installer loads select your language and click on the Continue button. Repair the Hard Drive and Permissions Pre-Lionīoot from your OS X Installer disc. If your computer seems to be running slower here are some things you can do:īoot into Safe Modethen repair your hard drive and permissions : ![]() Things You Can Do To Keep Your Computer From Slowing Down However, before you do this you should read the following: I suggest using Ethernet if possibleīecause it is three times faster than wireless. Note : You will need an active Internet connection. Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button. The Erase button and wait until the process has completed. The Security button and set the ZeroData option to one-pass. Set the format type to Mac OS Extended (Journaled.) Optionally, click on Click on the Erase tab in the DU main window.ģ. ![]() After DU loads select your startup volume (usually Macintosh HD) from the Select Disk Utility from the main menu and click on the Continue button.Ģ. Select the Recovery HD and click on the downward pointing arrow button.ġ. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Install or Reinstall Lion/Mountain Lion from Scratchīe sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive. ![]()
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