MacBook Pro8, 1 (13 inches, late 2011) A1278, installed Windows 11, encountered two big pits: blue screen and silent . The blue screen problem has been solved, please see my other special article, here I will talk about no sound.
Entering Windows 11, there is no sound anyway. The small speaker in the lower right corner is off, indicating that there is no audio device. Enter the device manager, the audio device is the High Definition Audio controller, with a yellow triangle mark, the device status: the device cannot be started. (code 10)
This problem has troubled me for a week. I checked various posts on the Internet and found out that the sound device is Cirrus Logic CS4206B (AB 28). I tried many methods, but none of them worked.
1. You can find MacBook Pro 2011 sound card in Drive Sky, but only WIN7, after installation, it is invalid;
2. In BootCamp, there is also a Cirrus driver, CirrusAudiocs4206x64, which is invalid after installation;
2. Apple Software Update: After the upgrade, it is invalid;
2. In the device manager, update the driver, cancel the compatibility, and re-select the manufacturer, but Cirrus cannot be found, which is invalid;
3. Install BootCamp6.0: MacBook Pro 2011 only has a maximum of 5.1.5621. You can find BootCamp6.0.6136 that supports MacBook Pro 2012 on Drive Sky. Install it in the Windows terminal (administrator) method, but it is invalid;
4. Install Win7 first and then upgrade: Most of the Internet said that this method is effective, but it’s okay to go from WIN7 to WIN10, but I really don’t know how many steps it takes to upgrade from WIN7 to WIN11, and it won’t be too smooth if I think about it , and, I like clean installs, I don't even think about trying;
5. There are too many other things that are unreliable at first glance.
I searched all over the country in Chinese but couldn’t find it, and then I went abroad, and finally found the reason for the lack of sound:
Older (before 2013) Macbook UEFI would not interface the sound card to Windows at all, and when installing it in EFI mode, you would have no sound issues that cannot be solved by means of the driver.
There are 4 solutions found:
1. Bluetooth device : Although the sound card is not good, but the Bluetooth is good, you can use the Bluetooth headset or speakers. Bluetooth headsets are used every day, and Bluetooth speakers can always find a few idle ones at home. This is the easiest way;
2. USB audio device : equivalent to an external USB sound card; note: it is a USB interface, not a USB power supply. Many so-called USB small speakers on Taobao are powered by USB, but they are actually 3.5mm interface input;
3. Edit and modify DSDT : This is definitely possible, but it exceeds my knowledge reserve, I can't understand it, and I don't want to operate it. If you are interested, you can read the following post, and there is also a video explanation on YOUKU;
[GUIDE] DSDT override eGPU error 12 fix | Thunderbolt Windows eGPU
4. Install Windows 11 in MBR mode : Since UEFI does not work, then use the MBR of BIOS and follow the method of a foreign master, and it will be successful. See one of the replies at the link below for details:
Installing Windows 10 in iMac 2011: Working video and audio (Through USB installer)
This method finally solved the sound card problem, but because of the use of MBR, it is impossible to install dual systems on a single hard disk , which is suitable for those who only use Windows and never use MacOS. Or, install a hard disk in the optical drive, and it would be nice to have a dual hard disk and dual system.
---------------------- Specifically speaking, install Windows 11 in MBR mode ------------------- -
The original post is on a foreign website. It is quite laborious to open, and people with poor English skills can’t understand it. DISKPART operation is also more complicated, and there are differences depending on the actual computer of the individual. Moreover, only WIN10 can be installed in that way, and the TMP problem must be solved to install Windows11. Therefore, it is not difficult to write about my entire installation process for those who like to toss, just do it step by step.
- In advance, you must use the boot conversion assistant to download the Windows support file under Mac OS High Sierra, BootCamp5.1.5621, which must be used to install Windows 11, and save it for later use;
- When installing Windows 11, there will be a blue screen with the code WDF_VIOLATION. For details, please refer to another special article of mine. Download the MacHALDriver.sys file ready for replacement in advance;
- Use rufus to make a bootable U disk containing the latest version of WIindows11 that is not restricted by TPM2.0 and secure boot. For details, please check my other special article;
- Insert the bootable USB flash drive, press the Option key on startup, select the USB flash drive to start, and after entering the installation interface, press "SHIFT + F10" to open the command window. As follows:
Open the partition editor:
diskpart
List system disks:
list disk
Select the disk on which we want to install Windows 11. In the case of my computer, it's disk 0. Note: Make sure the selected disk is the correct one.
select disk 0
Clean up the partition table of the selected disk:
clean
Create MBR partition table:
convert mbr
Create a System partition and copy the system boot file (100MB) later:
create partition primary size=100
Format it with the NTFS file system:
format fs=ntfs quick label=System
Assign drive letter "S" to the partition:
assign letter=S
Mark this partition as active:
active
Next, create a Windows partition. The size is not specified, and all remaining space is used by default:
create partition primary
Format with NTFS file system:
format fs=ntfs quick label=Windows
Assign a drive letter C to the partition:
assign letter=C
View the drive letter of the USB disk containing Windows 11 on the list partition. In my case, it was the letter D:
list volume
Done, exit:
exit
List all versions of Windows 11 available on the USB drive:
X:
cd X:\Windows\System32
dism /get-imageinfo /imagefile:D:\sources\install.wim
Dump Windows 11 image from USB: NOTE: In my case, D is the USB drive and C is the destination partition where the Windows 11 image will be copied. I installed Index: 4, Windows 11 Professional Edition.
dism /apply-image /imagefile: D:\sources\install.wim /index:4 /applydir:C:\
Use the bcdboot command to enable system boot. Notice. This is important because the boot that must be created is a BIOS type, not an EFI type. Note: "/f BIOS" option is mandatory, otherwise EFI type boot will be installed by default.
bcdboot C:\Windows /s S: /f BIOSOnce all of this is done, close your current Windows 11 installer, reboot.
- After rebooting, start Windows 11 installation. The installation process went smoothly. After the installation was completed, I was surprised to find that the Windows 11 Professional Edition was activated.
- Using the computer management in Windows tools, you can see that the hard disk format is MBR;
- Install BootCamp5.1.5621, after the installation is complete, do not restart, to avoid blue screen, first replace C:\Windows\System32\drivers\MacHALDriver.sys with a new file (see my other special article for details).
- Restart, the sound is good, the sound device is Cirrus Logic CS4206B (AB 28);
- The shortcut keys to adjust the volume and brightness are also easy to use without exception;
- Reminder: The right button of the touchpad is not easy to use. Open the BootCamp control panel in the lower right corner and set the touchpad option.
