ric6121824 Posted March 21, 2021 Share Posted March 21, 2021 I'm not sure if it is the right place to ask. Tell me where I should move this topic if I'm wrong. I used to have a dual-boot system on separated disks in my hackintosh: Catalina and Windows 10, and it worked fine. Somehow, I clean reinstalled Win 10 but accidentally in legacy mode yesterday (at this point, I could boot into Catalina still), and I used "mrb2gpt" commend to convert it to UEFI mode. But after doing so, the BIOS setting is reset and I can't boot into Catalina any more, even though I had optimised and changed the BIOS setting. After passing through clover boot screen, it stuck here. I tried adding "Fix 300-series RTC Bug" into my config.plist, and then it stuck here, and soon it became garbled. I tried to boot it with my Catalina install USB stick with newest clover and kexts, but it stuck at here and stopped reading. Here is my specification of my Hackintosh: i7-8700 Gigabyte z370m D3H Kingston KHX2400C15/16G * 2 Asus ROG-STRIX-RX570 4GB Storage: Catalina: Samsung SSD 970 EVO 500GB + Toshiba DT01ACA300 3TB (Fusion) Time Machine: Seagate 6TB Barracuda (Clover bootloader r5108 located) Win 10: Crucial MX500 500GB And here is my config.plist in Time Machine: config.plist Please Help me... Link to comment Share on other sites More sharing options...
ric6121824 Posted March 22, 2021 Author Share Posted March 22, 2021 (edited) 17 hours ago, Hervé said: You need to mount the disk's EFI partition and replace the boot file (overwritten by Windows) by Clover's. Can normally be done from Windows. The only alternative would be to boot your Clover USB installer and re-install Clover on the disk. Yeah I tried to do so. However, for some reason, the USB ports can't match with my original config.plist. It hangs at "IOUSBHostInterface(0x100000388): matching deferred by IOUSBHostHIDDevice" But I can't use Hachintool to identify my USB ports because I can't boot into Catalina. I don't know what to do now.... Edited March 22, 2021 by ric6121824 Link to comment Share on other sites More sharing options...
ric6121824 Posted March 22, 2021 Author Share Posted March 22, 2021 Luckily, I can boot into my Mojave install USB Stick. I'm going to downgrade it to Mojave and upgrade it back. Link to comment Share on other sites More sharing options...
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