tluck

hey glad your box is working well. not bad for 10+ year old system. My T420 DSDT is heavily modified vs orginal. The 220 is different so the DSDT will...

there is an opencore fork where some continued to evolve the package. maybe look at ESprocessing fork?

yes. will work. the EDID i inject are for 1600x900 but the display overrides i created support 1366x768, 1600x900, and 1920x1080. So maybe eliminate the EDID injection.

well, the instructions are comprehensive not complex. it boils down to: 1. Putting the EFI bundle on a USB to make an macOS installer 2. installing the OS on the...

worked for me! nice ^

ahould be simple... you will need to remove EDID entry for 1600x900 from the config.plist. probably no changes for DSDT but now sure. its almost 10 years since i worked...