I have the same problem for long time,
I get some messages is :
8750h ,if can not disable igpu, internal screen will backlight off ,may be backlight control be changed ,may be backlight values be changed,
I tried 591b0000 and all ohters at the begin, just 5926002 did not neet patch for external screen
I change to 591b and checked for implement backligt ways, now should be all correctly
but screen backlight 0 also
the top guides this forum, patch dsdt ,ssdt ,custom usb ....
the latest info:
After many attempts,I find “AptioMemoryFix.efi” cause shutdown ,sleep ,reboot problem , change to OsxAptioFixDrv-64.efi ,
every thing ok , ex black screen
I will post the "Problem Reporting" files tomorrow
thx...
follow the guide ,install can not be competed, it dead on second installing ,no error,no any message,just stay progress 20%
so,I restore the OSX from a timemachine backup,and follow the post install guide ,
this is the latest systeminfo files,and i completed my profile infos
now problems:
1、shutdown、sleep、restart ,all usb was shutdown completed,but cpu fan still run,and cpu getting hotter
2、old problem , internal screen has now backlight
follow the guide to enable backlight , the screen has no backlight also,
and if. use applebacklightinjector , I use igp:0x12345678 back screen also
I follow the install and postinstall guide
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.