#How to rebuild a mac pro mac os x#
#How to rebuild a mac pro serial number#
#How to rebuild a mac pro install#
#How to rebuild a mac pro software#
#How to rebuild a mac pro password#

A retail disc, or the gray discs from another model, will not work. You should have received the media from the original owner, but if you didn't, order replacements from Apple. If the machine shipped with OS X 10.6, you need the installation media that came with it: gray installation discs, or a USB flash drive for a MacBook Air.

#How to rebuild a mac pro install#

Preferably, install as much memory as it can take, according to the technical specifications.ī. If the machine is very old and has less than 1 GB of memory, you'll need to add more in order to install 10.6. If the machine shipped with OS X 10.4 or 10.5, you need a boxed and shrink-wrapped retail Snow Leopard (OS X 10.6) installation disc from the Apple Store or a reputable reseller- not from eBay or anything of the kind.

#How to rebuild a mac pro software#

It's unsafe, and may be unlawful, to use a computer with software installed by a previous owner.Ī. Then find the model on this page to see what OS version was originally installed.

#How to rebuild a mac pro serial number#

If you're not sure of the model, enter the serial number on this page. How you go about it depends on the model, and on whether you already own another Mac. Changes made by Apple over the years have made this seemingly straightforward task very complex. The first thing to do after acquiring the computer is to erase the internal drive and install a clean copy of OS X. Once no longer in your possession, remove the Mac from your devices in My Support Profile.īefore acquiring a second-hand computer, you should have run Apple Diagnostics or the Apple Hardware Test, whichever is applicable.Execute a bill of sale showing the Mac's serial number.Consider including your AppleCare certificate if you bought it, printed documentation, even the box if you still have it.ĪppleCare stays with the equipment and is transferable.System Install DVDs that came with your Mac should remain with it forever, and must be included with the sale.If the Mac is being sold to someone outside the family consider the following additional information: Its new owner must purchase them from the Mac App Store using his or her own Apple ID. If you want to install the bundled apps that were included with your Mac, restart by using your Applications DVD if one was included, and install the bundled apps.Īpps bundled with newer Macs that shipped without discs cannot be transferred.When it finishes, shut down the computer.If a prompt for an Apple ID appears, return to Step 5.

#How to rebuild a mac pro mac os x#

Select Install Mac OS X from the Utilities menu.

The fastest method is sufficient since all but the most expensive techniques and equipment will be able to recover securely erased data.

The more 'securely' you erase the disk, the longer it will take.

Select the 'Security Options' button and erase the disk.

Select the Mac's hard disk icon, then select the 'Erase' tab.

Remove any partitions you may have created.

Select Disk Utility from the Utilities menu.

#How to rebuild a mac pro password#

Remove any Open Firmware password if you created one: select Firmware Password Utility from the Utilities menu and remove it.

This method forces the Mac to download its originally installed OS from Apple's servers, which will not require an Apple ID to install.

Keep the other three fingers where they are until you see the 'spinning globe' icon.

With a fourth finger press the power button to turn on the Mac.

using three fingers press and hold the following keys: ⌘ (command), option, and R.

If your Mac did not ship with discs, boot OS X Internet Recovery:.

If your Mac shipped with a grey System Install DVD, start your Mac with that disc inserted in the optical drive while holding the c key to boot from it instead of its internal volume, which should be erased before selling it.

Next: Remove all your personal information by completely erasing the Mac's internal storage. Select 'Delete from Mac' when it appears.

System Preferences > iCloud > de-select 'Back to My Mac' and 'Find my Mac'.

If you enabled FileVault, disable it in System Preferences > Security & Privacy.

Refer to What to do before selling or giving away your Mac To correctly sell or transfer ownership of a Mac, even to someone in your family, you must follow these instructions. To properly transfer ownership you must do what the former owner should have done before parting with it.