Then select security options and zero out data.
#Format mac new hard drive for os install mac os#
Power on and insert your Snow Leopard disc, restart and press option key, select the Snow Leopard disc and press enter, go into disk utilities and format the new hard drive as Mac OS Extended Journaled, and name it Macintosh HD or whatever you want.
You must always format a new hard drive for Mac. i was careful, on reassembly, but only thought i have is could i have disconnected the optical drive accidentally, do not believe so, may reopen and check, but thought i would see if i am "missing something" you may be aware of.?Īppreciate the advice, used your PDF instructions from the website, they are great, made it simple to complete process. I did not format the seagate drive, it is as removed from box, optical drive was installing from install cd fine earlier today.
įired up hitting options key, accepts my firmware password,but when i click with mouse after entering firmware password all i get is grey screen with mouse cursor(able to move cursor), but it does not display the iMac install disk that is inserted in superdrive and just stops, remains in this state. Issues with original hdd,tried to wipe&reload, still showed more space used than size of drive! and then it locked me out of root,system,library, and app folders entirely, stating i did not have privilege to see files,ĭecided to replace hard drive,wiped the original internal drive-thought i mite use for an external time machine drive in external enclosure,i upgraded from seagate 1TB to Seagate 2TB internal hdd, also added additional RAM -2 more 4GB strips(total 16GB-4x4GB).
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