techhalf

Thanks for guide yes i hava v10.15.7 i fix trackpad , keyboard and other issues i find that its intel wifi card unable to support mac so i can use ethernet also can you tell me my mac working but some time it shows lines on the top bar some time display blink and when i shut down i cant see whats written because of bad graphics i have intel 4000 graphic card can you help me to solve graphic issue the mac overwall working but only sometime graphic makes issue

I install catalina v15 on my dell e6430 successfully but my external keyboard (HP Keyboard) not working but external mouse working also trackpad and wifi not working. I fix sound drivers and ethernet drivers now its working perfect. Can any one help me to fix external keyboard and trackpad issue. Also can some one guide which maximum mac version e6430 support. I also attached my efi folder below. EFI: https://drive.google.com/file/d/1NNSiEfhrsNK-LTWvgn4t2bFWcztM-t7J/view?usp=sharing