10.6.8 resettlement on iMac 21.5 mid 2010

Good afternoon everyone!  I was given a used iMac 21.5 mid 2010 with OSX installed 10.6.8.  However, I tried to clean this computer completely to remove all information of the previous owner, connections, etc.  In my efforts, I discovered that the optical drive is functional (probably why I was given the machine lol).  I also discovered that 10.6.8 does not have the feature to reinstall from the internet (command-R).  I tried the optical drive on my Mac Pro Tower sharing, but apparently it does not work if the machine trying to share has an optical drive (work or not apparently).  I managed to create an installation USB (USB 3.0 Flash Drive, 16 gig) using my DVD of Installation of Snow Leopard existing.  However, when I start the iMac in Mode safe mode and then run the install from the USB key, it's going well for a few minutes and then falls into the white screen with the apple logo.  I'll be patient and let Cook awhile or am I out of luck?  Thank you very much in advance for your advice!

Why not just get a DVD external burner (I'd purchase OWC) and install from there? This is the good method to use if the internal SuperDrive does not, either that or replace the SuperDrive.

NOTE:  I just thought of another method, using target disk Mode to install. Connect the two machines together using TDM and then do an erase and install. If for any reason you are not familiar with the TDM please click

OS X Lion mountain: transfer files between two computers using target disk mode

Tags: Mac OS & System Software

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