(If you got to that stage, see the ''recovery for Nvidia drivers EFI crash'' below). If you install the Nvidia drivers while Ubuntu is in EFI mode, you'll get a blank/black screen at the beginning of the boot. But here is the catch: the driver requires the computer to boot in "Legacy BIOS mode", not in "EFI" mode (see here or here). To avoid that, you need to install the proprietary Nvidia driver. ![]() You can do a default install and it will boot normally, but you'll soon see little glitches here and there and the computer will normally crash after a few minutes of use (especially when transparency or shadow effects are used, it seems). The graphic driver that Ubuntu installs by default (Nouveau) has bugs with the MacBook Pro 5,5 graphic card, the Nvidia GeForce 9400M. The core problem with the installation is this. The MacBook that I am running has had its battery replaced and I did a complete overhaul to get it to factory spec. I have not tested Ubuntu 22.04 as it requires a newer kernel and Nvidia-340 drivers only work with 5.4 kernel. This should also work for other models that require Nvidia-340 graphic drivers or other non-EFI-compatible ones. I struggled a bit to get Ubuntu running, so here's a how-to for those who might need it. ![]() The official documentation for the MacBook Pro 5,5 mid-2009 has no page for Pangolin (20.04).
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