Kanishka Sen Posted February 11, 2025 Share Posted February 11, 2025 I followed tlucks clover and I ended up with 4 screens during high sierra install but every time I try to install it it says it was unable to connect to the recovery server. I have made the usb stick using gibmacos. When I used oc instead of clover it crashes after the apple logo when I select the dmg. Normal open core efi made by me and having the com.apple folder boot loops back to oc. Can someone please tell me the step by step guide I should follow to install hack. Having oc would be lovely. Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/ Share on other sites More sharing options...
Kanishka Sen Posted February 11, 2025 Author Share Posted February 11, 2025 @verdazil but I'm able to browse the internet. How are people having working oc in it is beyond me I have tried everything. Idk what I'm doing wrong at this point Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830373 Share on other sites More sharing options...
Kanishka Sen Posted February 12, 2025 Author Share Posted February 12, 2025 EFI.zip This is the EFI that i ended up after following OCs tutorial @verdazil Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830392 Share on other sites More sharing options...
Kanishka Sen Posted February 12, 2025 Author Share Posted February 12, 2025 This is the other EFI that i used https://github.com/tonyyang123/Lenovo-T420-OC i just replaced the ACPI folder files with the ones that were generated for my machine here i dont even get to the see the EFI dmg option, in my EFI i get that but selecting it just boot loops Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830393 Share on other sites More sharing options...
Kanishka Sen Posted February 15, 2025 Author Share Posted February 15, 2025 Anyone any help ?:( I'm ready to provide any information if needed, preferable open core Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830432 Share on other sites More sharing options...
Kanishka Sen Posted February 17, 2025 Author Share Posted February 17, 2025 On 2/15/2025 at 10:55 PM, eSaF said: Hi, if you access to a Windows machine try this app - https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://github.com/lzhoang2801/OpCore-Simplify&ved=2ahUKEwjfybHUl8aLAxVuRkEAHdAPBoEQFnoECAwQAQ&usg=AOvVaw0m4zRWo3E-fBMGJOndoWYB - to build the OC EFI Folder specifically for your machine and specs. The beauty of this app is it will place all necessary files and kexts in the EFI Folder to get you to the Desktop. Just follow the prompts faithfully and when done copy the EFI Folder to be used on macOS. Used that, it didn't work idk what stupid thing I'm doing at this point Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830465 Share on other sites More sharing options...
FirstCustomac Posted February 17, 2025 Share Posted February 17, 2025 If you are trying to install HS using recovery method. You need to update the Software Update URL. Have a read here and try the fix #3. Basically run below command in terminal then proceed with installation. nvram IASUCatalogURL="http://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog" 1 Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830466 Share on other sites More sharing options...
Kanishka Sen Posted February 18, 2025 Author Share Posted February 18, 2025 On 2/18/2025 at 1:24 AM, FirstTimeCustomac said: If you are trying to install HS using recovery method. You need to update the Software Update URL. Have a read here and try the fix #3. Basically run below command in terminal then proceed with installation. nvram IASUCatalogURL="http://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog" So I created a new installer again for high sierra edited the config.plist and booted up, ran the command you gave and voila it installed. I directly went for OC instead while copying to ESP folder and it's booting from OC!!!! Thank you so much!!!!! Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2830478 Share on other sites More sharing options...
Pores1977 Posted April 8, 2025 Share Posted April 8, 2025 Disable Secure Boot, VT-d, and CFG Lock in your BIOS. Enable UEFI boot mode and set your USB as the primary boot device. Quote Link to comment https://www.insanelymac.com/forum/topic/360663-t420-hackintosh-help/#findComment-2831391 Share on other sites More sharing options...
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