How Do I Reinstall Mac Os X Snow Leopard Without Cd?

How do I restore Snow Leopard without a disk?

Copy the installation media

1. Open Disk Utility, and drag the Snow Leopard . dmg installer into the pane on the left.
2. Select the Snow Leopard .dmg you just dragged in from the list on the left, then the ‘Restore’ tab.
3. Drag the Snow Leopard . …
4. Make sure “Erase Destination” is checked. …
5. Click ‘Restore’.

How do I install OS X 10.6 without a DVD?

Turn on your computer and hold down the option key during the white screen before the Apple logo appears. Now plug in your USB, it should appear as a OSX installer, select that and you can then install OSX.