brand07/oc-m3800

An ongoing development project to maintain and expand MacOS on the Dell Precision M3800 using OpenCore boot-loader

Dell m3800 OpenCore [No longer supported by the author]

This is a OpenCore EFI folder for Dell m3800 with 4k display (2015 model) screen ready to work with 10.15.x and 11.x [#f03c15]So far that

Works:

• 3D accelelation (2GB vram + framebuffer patched: 160MB bios, 48MB),
• Wifi (switched to compatible one),
• Blutooth (patched),
• Sound keys (F1-F3 keys)
• HDMI/DVI video
• HDMI audio
• DVI video/audio (4k/60Hz)
• 60Hz in most of the hi-res sceens (known bug: 4k/60Hz setting for internal screen starts flickering for unknown reaseons)
• Keyboard
• Battery
• Part of multimedia keys (volume)
• night shift
• camera
• disabled Nvidia
• Toughable screen
• SD card reader
• screen brightness (+ keys)
• Touchpad with guestures
• fullly USB patch -> replaced USBInjectAll.kext

Should work, but not fully tested yet:

• sleep & wake on battery and AC power,
• Lid close sleep & wakesup after Lid open
• Deep sleep

Does not work yet/Still to do:

• light sensor

Did not check it yet:

• iMessage, FaceTime

Known issues:

• 4k/60Hz internal screen - flickers - solution to to install SwitchResX app and create the custom resoltion 4k with 57Hz refresh rate (repeat it for the scanale ref)
• sound issues - system startup with headset plug in causes internal sound not working
• after wakeup from sleep performace issues occures

OpenCore version:

• 0.7.1

Supports clean Apple "Software update.."

• 

OpenCore tutorial: https://dortania.github.io/OpenCore-Install-Guide/config-laptop.plist/haswell.html#starting-point