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Win7 install gone wrong, can't enter OS X

K

kollapse

macrumors newbie
Original poster
Apr 14, 2012
8
0
Hi guys.

A good friend of mine asked me to install Windows 7 on her Mac and after I did a bit of research about how Bootcamp works, I said yes.

> I formatted the USB to MS-DOS
> Used Bootcamp and follwed the procedure
> Created a 100GB partition for Windows
> After a decent while, the USB key was ready

Now, this is were the problem lies:
It restarted just fine and we booted up from the USB, which went perfectly fine also. Then it just stuck at the "Starting Windows" screen. Waited for an hour or so. Nothing happened. Shut down the computer and booted up again - same thing... Waited for an hour, all the same.

I tried with a standard copy of Win7 from a disk which went absolutely flawless untill I realised it wasn't possible to install Windows on a partition that wasn't NTFS (or FAT32 I assume). It would be logic that it needed to be done from the Bootcamp way to work as intended.


So this is where I'm stuck... I'm supposing the Windows 7 ISO on the USB was sort of broken (yes, it was pirated, I admit it).
My questions would then be: Is there any way for me to enter OS X in the current state ? Or perhaps just delete the "BOOTCAMP" partition, will it work ? I need this to try another ISO image and do the procedure over again.

I have a fair amount of knowledge about this technical subject (partitioning, formation etc) just not OS X in general, so if anyone would throw something at me, it should be understandable - hopefully.


Thank you beforehand. Any advice would be fairly welcome considering I'm quite a noob at this.
 
kollapse said:
Hi guys.

A good friend of mine asked me to install Windows 7 on her Mac and after I did a bit of research about how Bootcamp works, I said yes.

> I formatted the USB to MS-DOS
> Used Bootcamp and follwed the procedure
> Created a 100GB partition for Windows
> After a decent while, the USB key was ready

Now, this is were the problem lies:
It restarted just fine and we booted up from the USB, which went perfectly fine also. Then it just stuck at the "Starting Windows" screen. Waited for an hour or so. Nothing happened. Shut down the computer and booted up again - same thing... Waited for an hour, all the same.

I tried with a standard copy of Win7 from a disk which went absolutely flawless untill I realised it wasn't possible to install Windows on a partition that wasn't NTFS (or FAT32 I assume). It would be logic that it needed to be done from the Bootcamp way to work as intended.


So this is where I'm stuck... I'm supposing the Windows 7 ISO on the USB was sort of broken (yes, it was pirated, I admit it).
My questions would then be: Is there any way for me to enter OS X in the current state ? Or perhaps just delete the "BOOTCAMP" partition, will it work ? I need this to try another ISO image and do the procedure over again.

I have a fair amount of knowledge about this technical subject (partitioning, formation etc) just not OS X in general, so if anyone would throw something at me, it should be understandable - hopefully.


Thank you beforehand. Any advice would be fairly welcome considering I'm quite a noob at this.
Click to expand...


Hold option key on startup when you hear the chime and you should have osx as a boot option
 
iisforiphone said:
Hold option key on startup when you hear the chime and you should have osx as a boot option
Click to expand...

Thank you.
However, it does not seem to work. It just says "missing boot device" when I've been holding alt down for 15 seconds or so.
Tried it four times.

Another alternative would be to use Bootcamp from another OS X Lion install to install the Windows ISO the proper way on either an USB or disc. But that would be a hazzle, no doubt.
 
kollapse said:
Thank you.
However, it does not seem to work. It just says "missing boot device" when I've been holding alt down for 15 seconds or so.
Tried it four times.

Another alternative would be to use Bootcamp from another OS X Lion install to install the Windows ISO the proper way on either an USB or disc. But that would be a hazzle, no doubt.
Click to expand...

You didn't format your osx partition during the windows 7 install did you? Like when windows installer asks "where would you like to install windows"
 
iisforiphone said:
You didn't format your osx partition during the windows 7 install did you? Like when windows installer asks "where would you like to install windows"
Click to expand...

Not at all. I formatted to what I presume as HFS+ during the Bootcamp process.
It recognizes a Windows 7 installer disc as intended, just not the USB which I formatted to MS-DOS and did the Bootcamp thingy.
 
A little update:

I tried plugging in the USB again and - suddenly - it worked... all of a sudden...
I installed Windows 7 just fine. Don't know what the bug might have been but it seems to be functioning now.

I appreciate the help.
 
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