Hello,
I have big problem with every macOS on my Dell E5420, only one OSx i can install is yosemite, i've tired every EFI i found in internet for my laptop and all for nothing, i can boot only yosemite, so im looking for a EFI folder that will help me install sierra or high sierra on my laptop
spec: Dell e5420
i5 2540m
4gb ddr3 1333mhz
intel hd3000
ssd 512gb
my current efi here:
https://www.mediafire.com/file/he8s1tmreu92lbt/EFI.zip/file
thanks in advance for every help