Q: bootcamp driver issues
okay so i installed windows to go onto an external hard drive and i can boot into it just fine with holding down the options key and selecting efi boot. Everything works fine but i have 3 problems after installing bootcamp drivers(the latest 5.1.5621) :
1) the sound doesn't work
2)Cant adjust the brightness and in setting it says disabled
3)whenever i install the intel graphics and its about to complete a blue sad face appears and says system_thread_exception_not_handled(igdkmd64.sys) but when i remove the intel folder from drivers in bootcamp, the setup runs fine bt still no brightness nor sound
Can someone please help me solve this ?
Thanks
MacBook Pro, OS X Yosemite (10.10.1)
Posted on Jan 28, 2015 6:55 AM
No. CSM-BIOS is a compatibility layer and has no user interface.
The only method to invoke the CSM-BIOS layer during a boot is using the bless command. Please see https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/ man8/bless.8.html.
See the description of the two qualifiers --legacy and --legacydrivehint (which are used by Bootcamp).
My suggestion is use the tools you already have, namely, Bootcamp Assistant, and let it partition and install Windows. Reverse engineering Bootcamp is quite a bit of work.
Posted on Feb 1, 2015 5:34 AM
