You're having trouble with your old iMac...

F5F Stay Refreshed Software Operating Systems You're having trouble with your old iMac...

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MadReaper02
Member

210

02-26-2026, 05:04 PM

#11

Installer confirmed. Works with High Sierra versions.

MadReaper02

02-26-2026, 05:04 PM #11

Installer confirmed. Works with High Sierra versions.

Crucificial
Junior Member

02-26-2026, 06:21 PM

#12

You have the top-end 2009 iMac model. It's the oldest 27-inch version ever produced, yet it still looks good. Check out different macOS releases—El Capitan or High Sierra work well. If you go with El Cap, let me know—it requires some prep before installation.

Crucificial

02-26-2026, 06:21 PM #12

Mizzou3
Junior Member

02-26-2026, 07:30 PM

#13

Thanks. I’ll attempt it once the download is complete. Initially, when I tried to boot from the USB, nothing occurred—I wasn’t able to choose a drive from the menu. Could you clarify what steps were required before that?

Mizzou3

02-26-2026, 07:30 PM #13

Dominik_SK
Member

238

02-26-2026, 08:38 PM

#14

Using gibmacos to retrieve OSX dmg files is common for hackintosh setups. It should function well for your needs.

Dominik_SK

02-26-2026, 08:38 PM #14

Using gibmacos to retrieve OSX dmg files is common for hackintosh setups. It should function well for your needs.

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