Install New Mac Os On Old Mac

  
New mac os release dateInstall New Mac Os On Old Mac

New Mac Os 10.6

InstallOldMac
The '?' meant that the default startup volume wasn't found.
Normally you set the default with Startup Disk control panel.
Hold down the Option key on startup to see what volumes are bootable.
To repair a drive you need to boot from other media (hard drive or DVD) running OS X is all.
So you opened up your MacBook and have the old hard drive in say an external USB/FW case? that is the usual. And put the new drive in.
Before you installed, you partitioned or initialized the drive? Before you select INSTALL go to UTILITY menu and choose Disk Utility and ERASE. So you did do that part (from where?)
Maybe whatever the reason the old drive wouldn't mount is still an issue?

New Mac Os Rumors

If your Mac isn't compatible with the latest macOS, you might still be able to upgrade to an earlier macOS, such as macOS Catalina, Mojave, High Sierra, Sierra, or El Capitan. With Apple's App Store becoming the easiest, fastest, and safest way to install apps on your Mac, the need for installing software from a physical medium like DVDs is starting to become a thing of the past. However from time to time you may still find yourself needing to install an application from a CD or DVD that you have. After installation is complete, your Mac might restart to a setup assistant. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup. Step One: Boot From Recovery Mode, or an Installer. Your Mac’s Recovery Mode is a treasure trove of useful tools, and it’s the easiest way to wipe your computer and start from scratch. Shut down your Mac, turn it on while holding down Command+R. Your Mac will boot into the recovery partition. If you’re using an older Mac (from 2010. Connect SSD via SATA cable to a Mac. (SSD icon shows on desktop) Disc Utility - Erase SSD, then partition SSD and give it a name. Insert flash drive with bootable OS ( icon appears on desktop) Click on OS icon. Disc Utility / Install OS then select Show all disks. Click on new SSD and install. When cooked, remove SSD from Mac and insert into.

Oct 2, 2010 2:39 PM