#Adobe amtlib mac steps serial number
#Adobe amtlib mac steps install
#Adobe amtlib mac steps update

Launch Disk Utility and select the icon of the internal drive-not any of the volume icons nested beneath it. You may be asked for proof of ownership.ī. You'll either have to contact the owner or take the machine to an Apple Store or another service provider to be unlocked. If you see a lock screen when trying to start up from installation media or in Recovery mode, then a firmware password was set by the previous owner, or the machine was remotely locked via iCloud. Note that if your other Mac was never upgraded in the App Store, you can't use this method.Ī. Alternatively, if you have a Time Machine backup of OS X 10.7.3 or later on an external hard drive (not a Time Capsule or other network device), you can start from that by holding down the option key and selecting it from the row of icons that appears. Use Recovery Disk Assistant to prepare a USB device, then start up the new Mac from it by holding down the C key at the startup chime.

#Adobe amtlib mac steps install

If you already own another Mac that was upgraded in the App Store to the version of OS X that you want to install, and if the new Mac is compatible with it, then you can install it. In that case, contact Apple Support, or take the machine to an Apple Store or another authorized service provider to have the OS installed. If you have one of those models, you can't reinstall 10.6 even from the original media, and Internet Recovery will not work either without the original owner's Apple ID.

#Adobe amtlib mac steps update

Some 2010-2011 models shipped with OS X 10.6 and received a firmware update after 10.7 was released, enabling them to use Internet Recovery. Release the keys when you see a spinning globe.ĭ.

It should start up in Internet Recovery mode when you hold down the key combination option-command-R at the startup chime. If the machine shipped with OS X 10.7 or later, you don't need media. Release the key when you see the gray Apple logo on the screen.Ĭ. To start up from an optical disc or a flash drive, insert it, then restart the computer and hold down the C key at the startup chime. 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. 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. 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.

#Adobe amtlib mac steps 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 with a second-hand computer is to erase the internal drive and install a clean copy of OS X.