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- #MICROSOFT VIRTUAL MINIPORT ADAPTER DRIVER DOWNLOAD SIGNED MAC OS X#
- #MICROSOFT VIRTUAL MINIPORT ADAPTER DRIVER DOWNLOAD SIGNED DRIVERS#
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#MICROSOFT VIRTUAL MINIPORT ADAPTER DRIVER DOWNLOAD SIGNED MAC OS X#
To do this, I followed all of the instructions in the BootCamp Assistant from Mac OS X on my MacBook Air to download the WindowsSupport folder with BootCamp drivers, which you can save to the hard drive or burn to a CD.
#MICROSOFT VIRTUAL MINIPORT ADAPTER DRIVER DOWNLOAD SIGNED DRIVERS#
Note that it incorrectly refers to the installation section BCM43XNM_NT60, which is Windows Vista with no support for Virtual WiFi.ġ) You first need to extract the Broadcom drivers that are in the latest version of BootCamp so that you can modify the INF file. The newest MacBook Air uses the last line with DEV_4353 at the end (a slightly different chip). Note that it uses the installation section BCM43XNM_NT61 which refers to Windows 7 and correctly installs Virtual WiFi. My wife's MacBook uses the first line with DEV_432b at the end. %BCM430N_DeviceDesc% = BCM43XNM_NT60, PCI\VEN %BCM430N_DeviceDesc% = BCM43XNG_NT61, PCI\VEN
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%BCM430N_DeviceDesc% = BCM43XNM_NT61, PCI\VEN The problem is right here in the file, which we'll get to more below: By fixing the driver file, the issue can be fixed. It turns out that whoever made the Broadcom driver file made a small copy-and-paste error, and neglected to support Virtual WiFi for the slightly different chip that is in the MacBook Air versus the MacBook. The strange thing is, this was working fine on my wife's MacBook from 2008, with similar Broadcom WiFi hardware. Notably, this adapter was missing after installing Windows 7 and BootCamp 3.1 on my MacBook Air (Late 2010). For Virtual WiFi to work, the WiFi drivers for your WiFi hardware need to indicate that they support the feature, and then in Device Manager in Windows Control Panel, under Network Adapters you will see the "Microsoft Virtual WiFi Miniport Adapter" listed. For example, you might settle into a hotel room, pay for an Internet connection for your MacBook, and then want to share that connection with your iPhone, iPad, and other devices. The most common use for this is for software like Connectify that allows you to use your laptop as a wireless access point (AP) when you travel. Virtual WiFi is a feature in Windows 7 that allows a single WiFi adapter in a computer to look like more than one adapter. I just spent several hours figuring out what is a bug in the Broadcom WiFi drivers for my new MacBook Air, and thought I would post how I fixed it for others until Apple can get Broadcom to fix their drivers.įirst, what is Virtual WiFi.