1. Best Used Imac To Buy
2. Best Place To Get Imac Repaired

• Shop Best Buy's Apple brand store for great prices on a new or refurbished iMac.
• A Guide to Apple iMac All-In-One Desktops. Available since 2010, the 21.5-inch Apple iMac desktops include high-speed Intel Core processors, large displays with Intel graphics for interacting with software, and an intuitive operating system.

If you try to start up your Mac from a hard disk, network volume, or Time Machine backup that contains an incompatible version or build of macOS, you might experience one or more of these symptoms:

• Your Mac doesn't finish starting up, or displays a prohibitory symbol at startup.
• You see a message that you're using an unsupported or incorrect version of the Mac operating system.
• Your Mac doesn't respond to your trackpad, mouse, or keyboard.
• Apps unexpectedly quit.
• Your Mac doesn't sleep or wake.
• You don't hear any sound from your Mac.
• The fans in your Mac are louder, because they're spinning faster.
• The image on your display appears to shrink, has black bars around it, or appears tinted.
• You can't use Bluetooth or Wi-Fi.

Mar 18, 2020.

Which Mac operating systems are compatible?

The version of macOS that came with your Mac is the earliest version compatible with that Mac. To find out whether your Mac is compatible with a later version of macOS, check the system requirements:

Best Used Imac To Buy

If your Mac won't start up from a compatible version of macOS, it might require a specific build of that version. To get the correct build, reinstall macOS or upgrade to a later version of macOS.

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Best Place To Get Imac Repaired

• To restore a Time Machine backup that was created on a different Mac, use Migration Assistant.