When I turn one iMac only lighting nothing show up just apple logo
When I turn on mu iMac nothin appear just lighting up and apple logo; I have restarted man time but I got same result
iMac (21.5-inch Mid 2011), iOS 5.1.1
Hello,
If 10.7.0 or later...
Bootup holding CMD+r, or the Option/alt key to boot from the Restore partitirion & use Disk Utility from there.