This version of macOS cannot be installed on this computer.

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This version of macOS cannot be installed on this computer.

Hello

I got a Mac Pro 2008 with 2 Xeon CPUs and 8 gb ram. I tried to install MacOS High Sierra on it, but it had given me an error: "This version of macos cannot be installed on this computer".

So I thought the gpu is the problem (hd 2600xt with only 256 mb vram), and I bought an gt 630 from Fujitsu today.

I got home and tried to install high sierra again, but it had given me the same error. I didn't install any drivers for the gpu, just swapped it with the old one. The gt 630 seems to support metal, but in System Information.app it doesn't tell me if it does support it or it doesn't.

Please, let me know what the problem is and what can I do to update it to high sierra (I prefer not to use dosdude1 as it is kinda complicated. Would a system factory reset fix it?

[Re-Titled by Moderator]

Mac Pro

Posted on Dec 30, 2022 10:47 AM

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Answer 1

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BDAqua

Level 10

250,031 points

Dec 30, 2022 03:02 PM in response to Mehehe123

macOS High Sierra - Technical Specifications

General Requirements

OS X 10.8 or later
2GB of memory
14.3GB of available storage to perform upgrade*
Some features require an Apple ID; terms apply.
Some features require a compatible Internet service provider; fees may apply.

Mac Hardware Requirements

For details about your Mac model, click the Apple icon at the top left of your screen, choose About This Mac. These Mac models are compatible with macOS High Sierra:

MacBook (Late 2009 or newer)
MacBook Pro (Mid 2010 or newer)
MacBook Air (Late 2010 or newer)
Mac mini (Mid 2010 or newer)
iMac (Late 2009 or newer)
Mac Pro (Mid 2010 or newer)

macOS High Sierra - Technical Specifications

https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12

A Metal compliant GPU is only needed if trying to install Mojave on a Mac Pro (Late 2013; Mid 2010 and Mid 2012 models with recommended Metal-capable graphics cards)

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