Something like this?No one can help you without information. Please fix your profile as per laptop FAQ and post problem reporting files.
https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/
https://www.tonymacx86.com/threads/tool-generate-proper-problem-reporting-files.235953/
How and where to install kexts:I usually install them in EFI/Clover/Kext/other, I didn't know that I have to install them in Extensions. Where do I find /Library/Extensions?