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cnnmbp
03-21-2011, 12:33 AM
im trying to install windows 7 64 bit via external drive on my 2010 mbp.

when i partition the hdd for windows 7 and insert the cd, the mbp reboots and shows a folder with a question mark.

only way to get out of this is to restart the comp and hold alt to boot into osx. there is no option for windows 7 partition to select at that time

i deleted the win7 partition and tried it again and still same problem

any help?

robduckyworth
03-21-2011, 01:11 AM
do you mean you are trying to install Windows 7 on the external? because that's not possible, its an anti piracy feature.

cnnmbp
03-21-2011, 01:15 AM
sorry.. external optical drive

after i parition my internal drive for windows 7 and insert my ultimate 64bit cd in, the computer reboots and shows that question mark folder

robduckyworth
03-21-2011, 03:21 AM
are you using bootcamp for all the partitioning?

cnnmbp
03-21-2011, 03:37 AM
im using the boot camp assistant to partition the drive.. im not entirely sure what you mean by your question.

can i use another parition software to make one and then install windows that way?

robduckyworth
03-21-2011, 03:53 AM
no, I was just making sure you weren't using disk utility. you should always do it through bootcamp. how big are you making the partition? is the disc you are using for windows a full retail disc or an OEM disc?

cnnmbp
03-21-2011, 03:55 AM
the parition is 80gb. but even when the comp reboots and gets stuck. when i turn off the comp and restart and hold option.. it doesnt show a bootcamp parition at all (if it is suppose to)

it is a retail disk. the same disk i used in parallels to install and it worked fine

robduckyworth
03-21-2011, 04:47 AM
what version of bootcamp have you got? you need version 3 for windows 7.

are you installing via bootcamp too yes?

cnnmbp
03-21-2011, 09:24 PM
yes 3.0.2

my mbp is a 2010 model

i am doing everythign through bootcamp it just wont load up the windows installer when it resets

robduckyworth
03-22-2011, 04:49 AM
try resetting the nvram (boot with cmd, option, p + r)

p.s what happens when you hold down option while restarting in bootcamp?

cnnmbp
03-22-2011, 08:14 PM
nvram reset now it only shows a circle with a line through it... no more question mark folder


reset in bootcamp holding option brings up the windows cd and then my computer. clicking the windows cd shows the same error

robduckyworth
03-23-2011, 01:47 AM
heres the official support for the "not allowed" symbol. there is very little information on why it would happen with bootcamp...

Mac OS X: "Broken folder" icon, prohibitory sign, or kernel panic when computer starts (http://support.apple.com/kb/TS1892?viewlocale=en_US)

sounds like some important folders have been misplaced.

Do a back up before doing anything.

I would restore your hard drive to one partition (delete the bootcamp partition) and then try this.




Insert the Mac OS X Install CD.
Choose Restart from the Apple menu, then press and hold the C key immediately after the startup sound. Note: If you cannot start up from the Mac OS X CD, see "Mac OS X: Stops Responding While Starting Up From Mac OS X CD".
Use Disk Utility to check the disk.
If Disk Utility found no issues or successfully repaired any issues, then continue to the next step. If Disk Utility finds an issue that it cannot resolve, then use the erase and install procedure.
Start up from your Mac OS X volume.
If the issue is resolved, stop here. If not, continue to the next step.
Reinstall Mac OS X. If this does not resolve the issue, see "Mac OS X: Troubleshooting a Startup Issue".
If the issue remains, repeat the steps to reset NVRAM as described above.
Stop here. Do not continue to the next section.

cnnmbp
03-25-2011, 03:19 AM
i went all the way up to the reinstall mac osx... i am not gonna reinstall the entire os again..ive already done that before

seems the question mark folder has come back

robduckyworth
03-25-2011, 04:28 AM
when did you last do it, and is this the first time you have done bootcamp?

jalbasri
03-26-2011, 05:32 AM
Hi Guys,

I've got the same issue over here, trying to install Windows 7 Professional x64 on a MacBook Air (original 13").

My symptoms seem to be exactly the same as the OP.

In addition I tried booting using rEFIt and got an "unable to load legacy driver" error. A search for this error on Google did not seem to produce any useful answers.

My copy of Windows was a legit download from MSDN e-academy. I used Disk Utility to burn the downloaded ISO.

Everything I did was through bootcamp assistant (3.0.4), which really was partitioning the hard drive, I gave windows a 20GB partition.

Some things I'm not clear about, what is the difference between Boot Camp and Boot Camp Assistant? And is there a Boot Camp 3.2 because I have read "Boot camp 3.2" on Apple support pages.

OP have you had any progress.

Thanks,
J.

jalbasri
03-26-2011, 05:46 AM
I just tried with a Windows XP-SP3 Disc I burnt the same way and am having the same problem. :Confused:

robduckyworth
03-26-2011, 05:47 AM
you could try deleting the bootcamp partition, then booting from OSX discs and doing a verify and repair disk on the startup volume.

Bootcamp Assistant is the setup program (kinda like a "wizard" on Windows). It does the partitioning and so on.

jalbasri
03-26-2011, 06:20 AM
Hey thanks for the quick reply.

I just found this http://www.mac-forums.com/forums/running-windows-anything-else-your-mac/170478-installing-windows-xp-mac-air-using-bootcamp-issue.html

Which is extremely frustrating because i just paid $75 for an LG External drive to do this exact installation.

So i guess tomorrow I'll be trying to return the drive and heading over to the genius bar. So much for my lazy sunday...

robduckyworth
03-26-2011, 07:18 AM
Hey thanks for the quick reply.

I just found this http://www.mac-forums.com/forums/running-windows-anything-else-your-mac/170478-installing-windows-xp-mac-air-using-bootcamp-issue.html

Which is extremely frustrating because i just paid $75 for an LG External drive to do this exact installation.

So i guess tomorrow I'll be trying to return the drive and heading over to the genius bar. So much for my lazy sunday...

bear in mind that thread is a year old, and not necessarily the case with the new line of macbook airs.

jalbasri
03-27-2011, 03:12 AM
Hey Rob, should've been clearer my MBA is the first model to come out, I guess the early 2008 model (wow has it really been that long). Only reason I'm trying to install Windows now is because my class requires us to use .Net and Visual Studio, ekh!

So this morning I made a trip down to the Genius Bar and installation with a Macbook Air External Superdrive went through without a hiccup. It would seem that Windows installation with a 3rd party external optical is not supported.

The guy at the Genius bar said it might be because the LG drive could not get the required power from the USB drive to work but I don't entirely trust that since I was able to do a fresh install of OS X using the LG drive and it had two USB connectors one dedicated for power that I plugged into a USB hub that was plugged into a wall socket. anyhow, whatever the reason for it not working without an Apple superdrive, looks like it doesn't.

Cheers,
J.

robduckyworth
03-27-2011, 04:13 AM
Hey Rob, should've been clearer my MBA is the first model to come out, I guess the early 2008 model (wow has it really been that long). Only reason I'm trying to install Windows now is because my class requires us to use .Net and Visual Studio, ekh!

So this morning I made a trip down to the Genius Bar and installation with a Macbook Air External Superdrive went through without a hiccup. It would seem that Windows installation with a 3rd party external optical is not supported.

The guy at the Genius bar said it might be because the LG drive could not get the required power from the USB drive to work but I don't entirely trust that since I was able to do a fresh install of OS X using the LG drive and it had two USB connectors one dedicated for power that I plugged into a USB hub that was plugged into a wall socket. anyhow, whatever the reason for it not working without an Apple superdrive, looks like it doesn't.

Cheers,
J.

okay, well its good to know! glad you got it sorted.

cnnmbp
03-29-2011, 04:07 AM
the genius bar did a reinstall a few months ago.

so i guess i am outta luck since you needa super drive to install windows7?

robduckyworth
03-29-2011, 05:37 AM
well he is talking about a previous generation of macbook air, and you have a 2010 macbook pro, which i have installed bootcamp on many times. you have a superdrive in your macbook. i dont really know what else to do other than what is in the support guide. :)

cnnmbp
03-29-2011, 05:39 AM
i have an external optical drive

robduckyworth
03-29-2011, 06:04 AM
so your superdrive is dead? I think your best bet is to get it repaired:


I don't believe you can install XP from an external CD or DVD drive. The reason is because OS X will not recognize the external USB DVD drive with an XP disk as a bootable device and refuse to boot from it. Your best bet is to either replace the defective internal drive or have it repaired.

Regards.

http://www.mac-forums.com/forums/running-windows-anything-else-your-mac/120405-install-xp-bootcamp-using-external-dvd.html

some people have gone around this by using reFit, but i have no experience in it. Im going to remind you again, back up before trying anything! :)

have a read of this:

http://www.tech-recipes.com/rx/9136/macbook-air-install-windows-7-with-boot-camp-without-an-external-dvd-drive/

cnnmbp
04-06-2011, 03:52 AM
rob.. gave you rep for helping. i decided just to take out my caddy and put back my superdrive to install it.

i guess mac wont recognize the external drive to boot up the disk. placing my superdrive back worked.

i tried refit and it didnt work either. i got windows up and running.

thanks for all your help!

robduckyworth
04-06-2011, 02:26 PM
thats alright, glad you got it sorted :)