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Erase Mountain Lion installer from USB drive

1253 Views 16 Replies Latest reply: Aug 13, 2012 3:13 PM by antrozous RSS
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antrozous Level 1 Level 1 (30 points)
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Aug 13, 2012 2:09 PM

Hi everyone !


When Mountain Lion came out, I downloaded it and copied the image to a SD CARD so I could install it on my macbook air - without having to re-download it.


Now that ML has been installed on both machines, I want to erase the content of the SD CARD and use it on my camera. But when I go to the disk utility, the ERASE button is greyed out...

It must be a permission issue, but by popping the info menu, I can't even change the permissions...


Anyone has an idea?






(enclosed 2 screenshots - sorry it's in french.)


Capture d’écran 2012-08-13 à 23.07.00.pngCapture d’écran 2012-08-13 à 23.06.56.png

iMac (27-inch Late 2009), Mac OS X (10.7.4)
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