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Apple Computing Products:
macOS - Operating System
Can't reinstall High Sierra before gifting old mac - paperweight?
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<blockquote data-quote="Rod" data-source="post: 1932951" data-attributes="member: 204485"><p>Hmm, not the expected outcome. The only answer may be to create a bootable MacOS installer on a pen drive. </p><p>My best suggestion is to download the macOS High Sierra installer from here <a href="https://support.apple.com/en-us/HT211683" target="_blank">How to download and install macOS</a> on your new Mac. On completion you will probably get a message to say it can't be installed because it's incompatible. That's okay just Quit the process.</p><p>Now hopefully you will have the installer in Downloads or Applications with a symbol saying it cant be opened.</p><p>Download a copy of Instal Disk Creator from <a href="https://macdaddy.io/" target="_blank">MacDaddy - Easy to use but powerful software. Made to high standards.</a> (its free).</p><p>Plug in a USB thumb drive that's suitable (about 20MB is big enough). It will be erased so it needs to be disposable.</p><p>Launch Instal Disk Creator and if you are lucky it will find the HS installer, if not locate it manually. Point the app at the USB drive as the destination and maybe it will work. </p><p>It seems to me that the installer should not need to be compatible with your new Mac in order for Instal Disk Creator to do it's thing but it's untried (by me) and I can't find anything online to confirm or deny it.</p><p></p><p>The only other answer is to find someone with an older Mac that <em>is</em> compatible or turn to a reputable Apple repair shop that will inevitably have bootable installers for a whole range of Mac operating systems.</p><p></p><p>If successful it should be a simple process of plugging the bootable installer into your old Mac, Startup with the Option Key held down till you see Boot options, choose the USB, use Disk Utility to erase the Macintosh HD (at the Media level) that is, the manufacturer's HD name, at the top of the sidebar list, then quit Disk Utility go back to instal MacOS High Sierra an instal.</p><p></p><p>NB: Be aware that Instal Disk Creator can take quite a long time to do anything at the beginning of the "creation" process. If it doesn't come up with a error it's probably working so just give it time. It <em>will</em> tell you when it's completed but not much else.</p></blockquote><p></p>
[QUOTE="Rod, post: 1932951, member: 204485"] Hmm, not the expected outcome. The only answer may be to create a bootable MacOS installer on a pen drive. My best suggestion is to download the macOS High Sierra installer from here [URL='https://support.apple.com/en-us/HT211683']How to download and install macOS[/URL] on your new Mac. On completion you will probably get a message to say it can't be installed because it's incompatible. That's okay just Quit the process. Now hopefully you will have the installer in Downloads or Applications with a symbol saying it cant be opened. Download a copy of Instal Disk Creator from [URL='https://macdaddy.io/']MacDaddy - Easy to use but powerful software. Made to high standards.[/URL] (its free). Plug in a USB thumb drive that's suitable (about 20MB is big enough). It will be erased so it needs to be disposable. Launch Instal Disk Creator and if you are lucky it will find the HS installer, if not locate it manually. Point the app at the USB drive as the destination and maybe it will work. It seems to me that the installer should not need to be compatible with your new Mac in order for Instal Disk Creator to do it's thing but it's untried (by me) and I can't find anything online to confirm or deny it. The only other answer is to find someone with an older Mac that [I]is[/I] compatible or turn to a reputable Apple repair shop that will inevitably have bootable installers for a whole range of Mac operating systems. If successful it should be a simple process of plugging the bootable installer into your old Mac, Startup with the Option Key held down till you see Boot options, choose the USB, use Disk Utility to erase the Macintosh HD (at the Media level) that is, the manufacturer's HD name, at the top of the sidebar list, then quit Disk Utility go back to instal MacOS High Sierra an instal. NB: Be aware that Instal Disk Creator can take quite a long time to do anything at the beginning of the "creation" process. If it doesn't come up with a error it's probably working so just give it time. It [I]will[/I] tell you when it's completed but not much else. [/QUOTE]
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Can't reinstall High Sierra before gifting old mac - paperweight?
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