With the Mountain Lion version of Boot Camp Assistant you get an option to install the drivers to a CD or a USB memory stick. The top box "Download the latest Windows support software from Apple", but again don't select the bottom box! You don't want to remove Windows or you can't upgrade and need to start all over. When you run "Boot Camp Assistant" it will give you the choice to "Install or remove Windows 7" and you MUST uncheck that box. Ignoring prudence I charged on and used Boot Camp (the Mountain Lion version) to download the drivers. Ah but the Boot Camp drivers "do not support Windows 8", or so it says on Apple's support page. I did not think I would get this far so I had not downloaded the latest Boot Camp drivers. Users online have researched working Windows drivers you can download to enable "unsupported" hardware but I elected to use the Apple Boot Camp drivers. Windows 8 reported some devices as not working like my iSight camera, microphone, etc. On my 2010 MacBook Pro the trackpad worked (very low tracking speed) and my keyboard worked. Some upgraders state that at this point they did not have a working keyboard or mouse and had to use a USB connected mouse (you can pull up a virtual keyboard with your mouse so having no keyboard for a short time is not a show stopper). Upgrading requires several reboots of Windows along the way. I don't know which Windows 7 setting was causing problems (perhaps Parallels Tools?) but the install worked. I finally selected the option to only keep user files which did the trick and allowed Windows 8 Pro to install and actually boot. Third significant gotcha is that if I selected "Upgrade and keep all user files and settings" or whoever it is worded is that it would instal Windows 8 and after several reboots would roll back to Windows 7. Since I was upgrading within Boot Camp and Parallels Tools therefore was not active I did not remove it as some suggest. Second potential gotcha is that users have reported after upgrading then end up with multiple Parallels Tools installations which makes their system unstable. It absolutely would not upgrade with Norton Antivirus running. With Norton active it would upgrade for an hour only to get an error and to roll back to Windows 7. Probably the safest is to burn to a disk, but I upgraded directly from the program.įirst gotcha is that the upgrade installer recommends deactivating your antivirus. At the end you can burn to a CD (which I did not do) or upgrade from the upgrade program directly. This downloads a small file that you run to download the required files. Pay for it and then download the required files. #1 use Windows upgrade and figure out what it will cost you to upgrade to Windows 8 Pro. But you can't upgrade for $35 or $50 from a clean install and I was not about to pay over $300 for a clean install. Reportedly clean Windows 8 installations work under Boot Camp, upgrades do not. Boot Camp does not officially support anything beyond Windows 7. I knew Parallels 8 supported Windows but I wanted a working Boot Camp partition so I did the upgrade while running from Boot Camp. That is what drove me to upgrade rather than leaving well enough. You can get Windows 8 at discount price using the Windows 7 upgrade program in Windows. Don't blame me if things do not go as planned. Boot Camp does not support this officially and there are a few Parallels gotchas to get past. Hi all, not sure if anyone else has tried to upgrade to Windows 8 using Boot Camp, and then set up a Parallels virtual machine from it.
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