How to reformat Imac OS10.7

I just bought a new Imac, after did the migration from my old computer found out a lot of error, like fontbook not activated..... so just wanna reformat the Imac to Migrate again

Restart, holding down the CMD+R keys, and launch Disk Utility, wipe the HD, and reinstall Lion. Details in Recovery/ and About Lion Recovery. On first boot, use the Setup Assistant to do the migration. See Pondini's Setup New Mac guide.

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