This is not the answer I was looking for! Anyway I am using Catalina, Mojave and Sierra with the same EFI and everything is working fine except the sleep problem. In addition I attached (HeliPort-itlwm.kext) and I am using the native wifi-card of my Thinkpad excluding WEP and WPA (the project is...
Hallo,
Everything is working on my lenovo t540p except display off for long time. Everytime I close display for 1-2 minutes and open it again it works fine but if it is closed for longer it stays black. Here is my efi folder attached. Please for a little help.
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