WiFi problems in Windows 7 using bootcamp

Hi
I have a "new" 2011 27" iMac and are sometimes forced to use Windows 7 with Bootcamp.
I installed the latest drivers using bootcamp assistant (and these seem to date back to 2011, so I guess that's what everybody else is using as well). The windows install is only two days old with all the recent updates installed.
When I start in windows I have two issues:
The major one is that the Wifi is there for around 20 seconds, then the screen flashes (like it's loading graphics drivers or something) and then the connection is lost. When I ask windows to repair it it figures out that WLAN autoconfig is not running and I ask for that to be restarted. Sometimes this will solve the problems, sometimes I have to repeat the "repair" a few times. Once it's working the connection seems stable until I restart.
The wifi works fine with Mountain lion and with all other devices we have. I tried the Apple hardware test and everything worked well.
The only clue I have is that after I installed windows I changed the location of the windows user account folder to the HDD instead of the smaller SSD. I did that by changing the default user folder destination to a MS-FAT formatted drive on the HDD, creating a new administrator account, logged into the new account and deleted the old account... But I just can't see why that should have anything to do with drivers and wifi.
The minor problem is that the sound always start out muted when I start windows. I unmute and problem solved (although annoying).
As I said there's absolutely no problems while I'm in Mountain lion, but there's a few windows only programs I need so...

Thanks for the suggestion Rudegar. I think I found the problem which was from a different source. I installed an external hard drive and initated Time Machine in my Mac OSX. While it worked fine for Time Machine when running Mac OSX, apparantly it was causing a problem with Bootcamp and Windows. When I realized this might be the problem, I sejected the drive in OSX and turned it's power off. I then shut down OSX and started up using Bootcamp and Windows as I has in the past with no problems.
Thanks ayway!

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How do I install windows using BootCamp without cd drive fot the new MBP?

I need some softwares for my work (modelsim, altera, ltspices etc) but some of them only supports windows.
New MBP doesnt seem to have a cd driver.
How do I install windows using bootcamp without cd drivers?

You can use a USB thumbdrive to do this, assuming you have access to a windows machine to format the usb stick.
I installed Win7 on my MB Air (2011), which of course lacks a DVD drive altogether, using this technique.
Basically, you download a tool called rEFIt to your macbook. ( http://sourceforge.net/projects/refit/files/rEFIt/0.14/rEFIt-0.14.dmg/download ) When this is installed, it gives you a boot selector menu when you boot the Macbook ('Do you want to boot to MacOS or to the USB drive?')
Then you download and run an Apple tool called Boot Camp Assistant, which allows you to partition your HD for the two operating systems to share; it also pulls down all the windows drivers you need.
Then prep the USB thumbdrive on a windows machine to be a Win7 installer disk. You'll want a drive in the 4gb+ range I think. You have to set up the thumbdrive to be bootable (lots of tools for that available), and then copy all the windows installation files over to it.
Put the thumbdrive in the macbook and boot holding down the option key.
Choose the rEFIt icon on boot, then choose to boot from the thumbdrive, then format your new windows partition to something Win7 can handle, and install windows.
On my machine I followed a slightly more involved process and wiped out MacOS entirely. I would have kept it on a small partition if I'd had a bigger hard drive.
If you need super detailed instructions, CNET has some here:
http://howto.cnet.com/8301-11310_39-20020513-285/install-win-7-on-macbook-air-fr om-a-usb-drive/
Tech-Recipes has some similar instructions here:
http://www.tech-recipes.com/rx/9136/macbook-air-install-windows-7-with-boot-camp -without-an-external-dvd-drive/
If you have any issues after trying this, ping me and I may have solved them when I went through the same process.

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I do not know how to defragment the drive in Apple as I can in windows nor can I clean it up to maybe get everything in neat clusters, maybe somebody can help me solve this problem.

Sorry Bobthefisherman, this was not helpful. I had already gone through these pages before coming to you. What I have discovered however is that when Bootcamp Assistant deleted the partition, it did not create a single volume but created three partitions instead which maybe the reason why it cannot create the new part ion parameters I am asking it crate. So I took it to the geniuses at Apple who suggested that I reformat the drive and reload everything again! and this might solve the problem. We'll all know whether this is helpful once it finishes the formatting of the hard drive. This process is taking a very long time to complete so I am leaving it overnight for it to complete. I will keep you updated on progress. I am also told that Apple is struggling with Windows 8 drivers and I may not be able to use that, so I am going back to Windows 7 even though I was beginning to like windows 8 very much.

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For some reason I can't manage to install Windows 7 using bootcamp. It paritions the disk, pop in the Windows installation DVD and restart.
The Macbook Pro takes a while to startup (it stays on the grey screen for a while). After a while of waiting, it goes to a black screen with a white blinking thingy on the top left of the screen. Here is where it gets stuck... I've tried to leave it like that for 30 minutes or so, but it just keeps blinking.
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Having this exact issue after getting my (Early 2008 24", 3.06GHz, 8800GS) iMac back from having it's stock drive replaced by Apple.
Prior to the drive replacement, it had a stock 500GB drive, and dual-booted 10.6/XP Pro flawlessly. Then the drive died. After running it off an external for a month, I brought it in for service.
Apple replaced it with a 640GB, as apparently they don't stock the 500GB disks anymore.
10.6 works fine.
Applied updates, restored my home directory and apps from the external, no problems.
Ran BootCamp Assistant, made a 120GB partition. Inserted the same XP CD I've used before. Reboot...black screen, flashing cursor. Waited 30 min for it to pick up, nada. Rebooted, held down Option, picked the disc - same deal.
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My bad I should have been more clear. The problem is actually with a XP install via bootcamp, my Win 7 install is in VM Ware Fusion.
The XP install is on a second drive. Since you asked about this I'm assuming it may be the reason Im having problems.
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I had a similar problem when I selected upgrade instead of complete install. I want to make sure your aware that you should click the complete option instead of upgrade when you reach that portion of the win7 install. Then you need to select part ion 4 like you have stated and format it to ntfs.
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WiFi problems in Windows 7 using bootcamp

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