First attempts, to external driveįirst I attempted to install it to an external drive. If the entire installation and upgrade route works successfully, it will not be necessary to start from W8.1 anymore.I'm trying to install Windows via BootCamp on a Late 2014 iMac, so far to no avail. I recently booted one of the same 2011 Macs from a W10 DVD.
That's the only way to install Windows on Macs with DVD drives, so that all BC drivers load and run properly. W8.1 was installed from DVD in BIOS mode, by choosing the DVD icon named "Windows" (not EFI) at the point of boot. I upgraded a few other 2011 Macs the same way, and they run W11 just fine. In the end, I installed W8.1, then the BC drivers, upgraded to W10 and installed all Windows and optional driver updates, before upgrading to W11. However I had no time to figure which one. The WDF error is a driver conflict, which is caused by one of the BC drivers. In the second attempt, installing the BC drivers after upgrading to W11 from W8.1, also threw up the WDF error. In the first attempt, I installed the BootCamp (BC) drivers after installing W8.1, before upgrading directly to W11. I had the same BSOD (WDF_VIOLATION) error when I tried upgrading a 2011 Mac, from W8.1 to W11. Now everything should be working as intended!Įxtra: Also here's a driver to make sure that Windows recognizes the trackpad as an actual trackpad and not a mouse so you can use the gestures Go to C:/Windows/System32/drivers and delete MacHalDriver.sys (if you can't delete it rename to MacHalDriver.old for example), then paste the file that you downloaded from the link above Install the BootCamp version you got from BombardierĪfter the installation is done DO NOT reboot or you'll get a blue screen with the WDF_VIOLATION error, download this driver instead (optional) If you installed BootCamp previously uninstall it Put the files in a USB drive/ external HDD bak but they still don't work, what else can I do?Įdit: Ok so I finally managed to make both screen brightness and keyboard backlight work on Windows 11( I'm on a beta build as well), so here's what you do:ĭownload a program for MacOS called "Bombardier" (basically like brigadier but you use it on MacOS instead and it's more accessible)įind your Mac/MacBook model and download the latest BootCamp version (in my case 5.0) I kinda got Windows 11 to work by renaming machaldriver.sys to. What the title says basically, if I install windows 10 everything works fine, if I update to/install from scratch windows 11 these drivers don't work and I get a BSOD loop with a WDF_VIOLATION error, what can I do? I'm using the drivers given by boot camp assistant.
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