Recent content by suur13

  1. suur13

    Quadro card with Ryzentosh

    And K4200 still won't work with repaired installation, not even with new motherboard. Still black screen with cursor (and monitor power-off does not help indeed). Works with fresh install, so something is still wrong with this install (besides icons).
  2. suur13

    Quadro card with Ryzentosh

    I installed now the previous non-working installation over - it boots and all my settings seems intact ! Only complaint, some icons are corrupted - folder icons are covered by one certain application icon. Removing that app does not help. Also tricks from this page not...
  3. suur13

    Quadro card with Ryzentosh

    And last - no change even with new motherboard. It boots fine to Recovery and to Installer, but not main system. Stops around same spot. Conclusion - installation is corrupted somehow. Partitions are visible/mountable/readable, even programs start from Data, but not enough to boot.
  4. suur13

    Quadro card with Ryzentosh

    Small update if anybody cares - I plugged my famous K4200 into this new fresh installation, and it works (with my original EFI, no tricks for Quadro) ! Metal is working and even 100Hz monitor freq. Either my old installation was borked already before I started messing with Quadro card OR I...
  5. suur13

    Quadro card with Ryzentosh

    EFI was definetly not corrupted and no new partitions were not created. Got Radeon RX460, not big difference, only thing is that also first boot stage is already in correct resolution, not VGA like with both nvidia cards. But it crashes in same place. My hope was that maybe going with CSM...
  6. suur13

    Quadro card with Ryzentosh

    Thanks. I'm already getting to use to idea of clean install. I'm leaving this as last resort because its like surrendering :) I will swap my Quadro first to Radeon, but that most likely will not help regarding boot problem and then try check on another motherboard. And I will not reinstall this...
  7. suur13

    Quadro card with Ryzentosh

    Guys, I just reacted to sentence "All we can say for certain is that you've had no dual boot success so far", which trs96 corrected later. This setup used costs more than brand new Mac Mini M1. So it is not about simplicity, comfort and "just works". It is hobby, fun and "because I can". I know...
  8. suur13

    Quadro card with Ryzentosh

    Dual (actually triple, Linux also) boot worked for months. See first post. Stuff started to break when I tried to get my new Quadro K4200 card working in MacOS and temporary booted from external USB EFI.
  9. suur13

    Quadro card with Ryzentosh

    Yes, first such dual-boot. But rest is very confusing. For sure Windows did not overwrite OC folder - all is still there. Besides, I'm using fresh EFI's from users of this forum. Those are not affected by my Windows.
  10. suur13

    Quadro card with Ryzentosh

    OK, can you please guide how windows can do this ? So I can avoid it next time and how second physical drive helps ? I've been dual (and triple, quad, using different windows and linux installs) booting 20+ years now and never experienced anything like this.
  11. suur13

    Quadro card with Ryzentosh

    I do. Same NVME drive. But I have not done any windows update and it went unaccessible from 1 reboot to another. And First Aid in Disk Utility (Recovery Mode) shows no errors.
  12. suur13

    Quadro card with Ryzentosh

    Thanks, that worked. At least I could boot installer now. Strange that same EFI still does not boot already installed MacOS.
  13. suur13

    Quadro card with Ryzentosh

    Misunderstanding, I know how create boot media. Problem is when I copy Edhawk or my own EFI folder into this USB stick EFI partition, I can see Install Big Sur option in OC picker and start the boot (but it crashes). But if I use your EFI folder, it gives only boot MacOS and Recovery option, not...
  14. suur13

    Quadro card with Ryzentosh

    Dell from 2012-14 ? I have quite new Asus B550-A motheboard. Leesureone - how can I make your EFI boot installation media (from same USB stick) ?
  15. suur13

    Quadro card with Ryzentosh

    No, all manual.
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