Regarding performance issues, see my Mac Performance Guide as a start. See my Mac Malware Guide for more information.Īs for the problem, I can't say much without more information. It has built-in protection against all of it. Regarding other kinds of malware, note that Mountain Lion is not currently susceptible to any known malware. Anywhere that you have read that this requires wiping the machine or calling it malware is not a reliable source for technical information, and should be discounted in the future. Whatever is going on, it's not any kind of infection. I suggest using Ethernet if possibleīecause it is three times faster than wireless. Note : You will need an active Internet connection.
#Wiping mac hard drive clean install#
Reinstall Lion/Mountain Lion, Mavericks : Select Reinstall Lion/Mountain Lion, Mavericks 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.
#Wiping mac hard drive clean mac os#
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 Mavericks, 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. Well, if you want to erase and install here's how it is done:
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