theawesomerb Posted February 3, 2021 Share Posted February 3, 2021 (edited) Hello everyone , i hope everybody is doing fine. I joined this forum because i'm struggling with OC and big sur on 3350 , i'm not sur if i'm allowed to ask questions in this section, i hope fixing this problem and being an active member of this forum , thanks ! my config : CPU: Intel Core i5-5200U (Broadwell-U) Graphics: Intel HD 5500 LCD: 1366x768 Disk: Toshiba SATA-II 320GB MK3255GSX HDD Audio: Realtek ALC (alcid=33) (in cas you want to know the problem , after installation of big sur , the pc is caught in a boot loop ) Edited February 3, 2021 by theawesomerb Quote Link to comment Share on other sites More sharing options...
theawesomerb Posted February 4, 2021 Author Share Posted February 4, 2021 hello Hervé , yes boot loop after the first reboot during installation, i don't know how to fix NVRAM or to use virtual nvram though. Quote Link to comment Share on other sites More sharing options...
theawesomerb Posted February 5, 2021 Author Share Posted February 5, 2021 indeed i tried to inject msu but it somewhat didn't fix it . Please find attached the EFI OC 3350 EFI.zip Quote Link to comment Share on other sites More sharing options...
theawesomerb Posted February 6, 2021 Author Share Posted February 6, 2021 (edited) Thank you so much @Hervé ! that worked ! However i have a couple of problems : 1-regarding the track pad , it doesn't work and i have to use an external usb mouse instead , the keyboard is working just fine , for info i have an Alps alpine PS2 trackpad, i only find voodoo kexts which dont seem to work , i can send u a copy of a catalina working clover 2-I have the same problem i had with catalina regarding hibernation , when i clove the laptop and go arround for like 15 min and i go back and open it up againe , i only see a blank grey screen and nothing else. 3- sound doesn't work EDIT : problem solved ! everything working , you'll find attached the EFI thanks ! 3350 working EFI , no WIFI.zip Edited February 7, 2021 by theawesomerb Quote Link to comment Share on other sites More sharing options...
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