Xbox 360 hdd help

[littlepigboy5]

How can i completely wipe the hdd on my xbox 360, literally complete wipe no os or anything, than re install xbox os onto it.  my xbox i got a year and a half ago on a two yeyar contract and i have created a different xbox live account and pay for that and not the one i bought with the contract which is attatched to the hdd so i need a fresh unlocked install of xbox os.

Thanks

[Deletive]

there is a factory reset in the settings.

[littlepigboy5]

there is a factory reset in the settings.

where

[Deletive]

Press the Guide button on your controller, go to Settings, and select System Settings.

Select Storage or Memory.

Select the storage device that you want to rename, and then press Y on your controller.

Select Format. You will see the following message:

This will delete all content on this device. Do you wish to continue?

Select Yes to format the storage device.

[TDP_Equinox]

Press the Guide button on your controller, go to Settings, and select System Settings.

Select Storage or Memory.

Select the storage device that you want to rename, and then press Y on your controller.

Select Format. You will see the following message:

This will delete all content on this device. Do you wish to continue?

Select Yes to format the storage device.

Yes. You WILL lose your saves.

Back them up to the cloud!

[EvanDaChatot]

I think that you could just delete your old profile from the hard drive if all that you need to do is switch your new account.