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 recovery menu appears select Disk Utility. Repair the Hard Drive and Permissions as follows. Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Select the Recovery HD and click on the downward pointing arrow button. Alterhatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. If none of the above are helpful then you need to reinstall OS X.īoot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Log out of your normal account and into the new account. If it does then create a new user account. Then restart in Safe Mode and operate for a while to determine if the problem persists. Intel-based Macs: Resetting the System Management Controller (SMC) If nothing shows up above then try these:
Be sure to note the name of the runaway process so you can track down the cause of the problem. Click on the Force Quit button to kill the process. 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 twice on the CPU% column header to display in descending order.
Select All Processes from the Processes dropdown menu. Open Activity Monitor in the Utilities folder. Your problem most likely has another less damaging solution. Do not attempt to make changes to your fan's normal operation.
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