- Old MB can not support Booting from 'NVMe', Please confirm the MB's specification. Mac Pro 2009, 2010 and 2012 models support PCIe-AHCI SSD only, Win7 and Windows Server 2008 R2 are NOT compatible with NVMe SSD. So please check the hareware and OS first. If add in PCI-e 2.0 slot, the transfer speed will be 16Gbps, please note that!
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Your description of the screen sounds like what is shown in the pic in this Apple KBase article -
http://docs.info.apple.com/article.html?artnum=106482
If so, then the firmware password function has been invoked. If you have not yet tried, try clicking the righthand button without entering anything in the password entry box.
Unfortunately, if you can not get past it, and it's real, you will not be able to boot the machine to any disk or volume unless you know the required password. It is a reasonably serious level of security, originally directed toward owners of portable machines.
There is a way that such a password can be disabled. For reasons of security, even if we do know the solution we do not post it in these forums - since these forums are accessible by anyone, even by those who have not registered, posting the solution could help nefarious types gain unauthorized access to machines. To find out how to do it, contact Apple's Tech support, or an AASP (Authorized Apple Service Provider).
Global Nav Open Menu Global Nav Close Menu; Apple; Shopping Bag +.
Dec 15, 2007 1:32 AM
Is your Mac up to date with the latest version of the Mac operating system? Warriors vs dragon mac os. Is it using the version required by a product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.
Vube mac os. If your macOS isn't up to date, you may be able to update to a later version.
Dec 15, 2007 1:32 AM
Is your Mac up to date with the latest version of the Mac operating system? Warriors vs dragon mac os. Is it using the version required by a product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.
Vube mac os. If your macOS isn't up to date, you may be able to update to a later version.
Which macOS version is installed?
From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
Mac Os Mojave
Which macOS version is the latest?
Padok Mac Os Catalina
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS. Computer baseball mac os.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.
| macOS | Latest version |
|---|---|
| macOS Big Sur | 11.3 |
| macOS Catalina | 10.15.7 |
| macOS Mojave | 10.14.6 |
| macOS High Sierra | 10.13.6 |
| macOS Sierra | 10.12.6 |
| OS X El Capitan | 10.11.6 |
| OS X Yosemite | 10.10.5 |
| OS X Mavericks | 10.9.5 |
| OS X Mountain Lion | 10.8.5 |
| OS X Lion | 10.7.5 |
| Mac OS X Snow Leopard | 10.6.8 |
| Mac OS X Leopard | 10.5.8 |
| Mac OS X Tiger | 10.4.11 |
| Mac OS X Panther | 10.3.9 |
| Mac OS X Jaguar | 10.2.8 |
| Mac OS X Puma | 10.1.5 |
| Mac OS X Cheetah | 10.0.4 |
