This is a sort of update to my previous post about this machine.
Last time, I used Monterey, partly because I have it on my iMac so I had the installer to hand. It worked, but graphics performance was very poor.
I did more reading and discovered that the laptop's Intel HD 520 GPU is not supported past Big Sur. So, I redid the hack with Big Sur and the latest OpenCore.
Oddly, I could not get it to boot from USB, but the existing OpenCore EFI bootloader detected the USB and offered to boot from it. Then it went very smoothly.
I swapped the config.plist for the Intel Wifi one. No difference: macOS did not detect wifi. So, I've bought a cheap TP-Link USB wifi adaptor, which works fine. (Oddly it doesn't use the built-in networking preferences, but it works, so meh.)
Graphics performance is now pretty good. I have only played with it a little. It fetched an update to Safari and that was all. I have installed the latest Firefox, the latest Chrome, and the latest LibreOffice, and all work well.
I haven't tested it extensively yet but I am impressed with how well it worked, but I am wondering whether to leave the macOS install in place, or just go back to ChromeOS Flex, which TBH is all my wife needs, booted faster, and worked with Wifi and Bluetooth no problem...
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