After installing Windows7 + Bootcamp drivers, you need to do a 'special compatibility' installation of the sound drivers. So, after bootcamp has been installed, so the following Insert your original Mac OS install CD (the one that came with your MAC).

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Microsoft Windows 7 Audio Driver
Bootcamp Drivers Windows 7 X64
Download Bootcamp Windows Support Drivers

Many of you want to download Windows 7 drivers for MacBook Pro, MacBook Air or Mac mini, and the drivers include Windows 7 graphics driver for Mac, Windows 7 audio driver for Mac, Windows 7 USB driver for Mac, etc. In fact, it’s easy to download and install all Apple drivers for Windows 7.
After installing Windows7 + Bootcamp drivers, you need to do a 'special compatibility' installation of the sound drivers. So, after bootcamp has been installed, so the following Insert your original Mac OS install CD (the one that came with your MAC).
Apr 17, 2018 Important: If you’re using Windows XP or Windows Vista, Boot Camp 4.0 does not support these versions of Windows. Method 2: Install the latest version of your audio drivers Install the audio driver from your Mac OS disk or download the latest version of the audio driver from Apple.
I had the same problem no sound when boot camp starts windows 7 64 bit and search for days. Finally found the right driver that worked. I have a Mac Mini 2014 - 2.6GHz dual-core Intel Core i5 - 8GB of 1600MHz LPDDR3 memory.

Active10 months ago

I have installed Windows 7 on my 2010 model MacBook Pro using Bootcamp.

I think everything installed correctly except for some drivers (bluetooth etc) but the main thing that bothers me is that the sound isn't working.

When I look in the device manager and look under sound, it says the following:

High definition audio device

It has this listed about 5 times in fact. When I double click on one of them, it says that the device is working properly.

I read that MacBooks typically have Realtek sound cards in them. I downloaded a Realtek driver for Windows 7 (two in fact, alas one didn't appear to be compatible and wouldn't install) and installed it successfully.

However I still have no sound. Even when I go to configure my sound in the control panel (when I have a YouTube video playing) the visualisers (if thats what theyre called?) appear to be moving, as if to suggest that my system can detect the sound, but without anything actually coming out of my speakers.

I've also tried my headphones and had no luck with those either.

Is there anything else I can do to fix it?

user700248user700248

3 Answers

Mac laptops have three different audio outputs; the internal speakers, the headphone jack, and the S/PDIF output (a digital fiber-optic connection that is also inside your headphone jack). Also, the discrete GPU can send audio through the Thunderbolt port, but I don't know if 2010 models have Thunderbolt. Anyway, only one output can be active at a time. The wrong one is probably selected in Windows.

To change it, open the Sound control panel. Under the playback tab, it will show all the output devices available:

It should just be a matter of figuring out which one output is going to. To choose one, just select it and hit the Set Default button.

NOTE I would uninstall the Realtek driver you downloaded and just rely on the BootCamp drivers. Apple has tweaks in them that break if you download a newer vendor driver (like the screen brightness keyboard buttons or volume buttons).

Also note: Look inside your headphone jack to see if there is a red light on in there. If it's on, it thinks you have a S/PDIF connector plugged in and audio will never work until you fix that.

Wes Sayeed

Microsoft Windows 7 Audio Driver

Wes Sayeed

11.3k5 gold badges29 silver badges60 bronze badges

You should never install any Windows system drivers that aren't from Apple on your Mac hardware.

See this answer on SuperUser.

MMBMMB

For your reference, what helped me to solve the problem was to run the Boot Camp Service repair through the Control Panel -> Programs and Features

ZenZen

Not the answer you're looking for? Browse other questions tagged windows-7macaudiodriversboot-camp or ask your own question.

When you install Microsoft Windows on your Mac, Boot Camp Assistant automatically opens the Boot Camp installer, which installs the latest Windows support software (drivers). If that doesn't happen, or you experience any of the following issues while using Windows on your Mac, follow the steps in this article.

Ibm x31 wireless driver. • Input the values for each step in the wizard and complete the install. • The driver was installed successfully and ready to use.

Your Apple mouse, trackpad, or keyboard isn't working in Windows.
Force Touch isn't designed to work in Windows.
You don't hear audio from the built-in speakers of your Mac in Windows.
The built-in microphone or camera of your Mac isn't recognized in Windows.
One or more screen resolutions are unavailable for your display in Windows.
You can't adjust the brightness of your built-in display in Windows.
You have issues with Bluetooth or Wi-Fi in Windows.
You get an alert that Apple Software Update has stopped working.
You get a message that your PC has a driver or service that isn't ready for this version of Windows.
Your Mac starts up to a black or blue screen after you install Windows.

If your Mac has an AMD video card and is having graphics issues in Windows, you might need to update your AMD graphics drivers instead.

Bootcamp Drivers Windows 7 X64

Install the latest macOS updates

Before proceeding, install the latest macOS updates, which can include updates to Boot Camp.

Format a USB flash drive

To install the latest Windows support software, you need a 16GB or larger USB flash drive formatted as MS-DOS (FAT).

Start your Mac from macOS.
Plug the USB flash drive into your Mac.
Open Disk Utility, which is in the Utilities folder of your Applications folder.
Choose View > Show All Devices from the menu bar.
From the sidebar in Disk Utility, select your USB flash drive. (Select the drive name, not the volume name beneath it.)
Click the Erase button or tab.
Choose MS-DOS (FAT) as the format and Master Boot Record as the scheme.
Click Erase to format the drive. When done, quit Disk Utility.

Download Bootcamp Windows Support Drivers

Download the Windows support software

After preparing your USB flash drive, complete these steps:

Make sure that your Mac is connected to the Internet.
Open Boot Camp Assistant, which is in the Utilities folder of your Applications folder.
From the menu bar at the top of your screen, choose Action > Download Windows Support Software, then choose your USB flash drive as the save destination. When the download completes, quit Boot Camp Assistant.

Learn what to do if you can't download or save the Windows support software.

Install the Windows support software

After downloading the Windows support software to your flash

Bootcamp Windows 7 Audio Driver For Mac