this is Acer Aspire V3-771 dsdt patched by me.
HM77 Intel Express mobile, Ivy-Bridge 3rd Gen HD4000 only, ALC269, no discrete card.
- Add "AAPL,ig-platform-id" = 0x01660004 in DSDT for QE/CI with hd 4000 graphic card, for 1600x900 and higher resolution only, (for 1366x768 and lower resolution need "AAPL,ig-platform-id" = 0x01660003)
- Fix ACPI Brightness keys (Use Voodoo alps v6 kext)
- Fix Brightness ElCapitan Beta Public (15A215h) with RehabMan patch (Use last ACPIBacklight.kext)
- New Audio ALC271X kext and DSDT patched, work on ElCapitan
- All errors fix
- PNLF, _WAK, Brightness work
- IGPU name patch
- TN0T delete
- Audio, Device(HDEF), ALC269
PS: Try to fix sensor with device SMCD and FakeSMC, not everything is working, I need help.