Mac won't boot into OS X after installing Windows 7. No "Boot Camp" references exists on the Windows side. After lots of Googling, I've come here.

So. I have same problem and another solution of this problem.

If, after installing any windows on bootcamp disk/partition you lost ability to bootup to OSX (it's looks like boot only windows/no option boot menu/no cd boot/no recovery boot) and you have WIRELESS KEYBOARD (important!), try to connect any WIRED USB KEYBOARD and boot with Cmd+Option+P+R. Sometimes it will help.

Hello, my friend, I would like to thank you first for your help, but with me it only worked in parts, I was able to install the bootcamp the way you explained it, however my macbook still does not start with mac osx and neither of the boot options when I hold Option (Alt), please help me, I can not work for a week, I do not know what else to do.

Information: The boot combinations do not work yet (Cmd + R, Shift + Cmd + Option + R) anyway, none works.

Reboot, as soon as you hear the chime press the X key

It appears that you have no functional copy of OS X to boot with. What happens if you hold the Option key (only) down when the chime sounds?

Which version of Boot Camp was used?

You can run Boot Camp Assistant and select only the option to Download the Windows Support Software. Print and read the instructions first.

Hi I just got out of this situation after two weeks of forums and have tried any kind of different solutions.

If you have no response using start-up keys and you can't choose your start-up disk when pressing "Option" here is what to do.

The problem in this situation is common to users that install Boot Camp and at one stage the installation fail, may be a bug in BootCamp or just our mistakes, it doesn't really matter here is the solution.....

If you can start Windows, or Start the installation dvd of Windows do it, when In windows you will need to install BootCamp windows Driver, if you try to use the Apple downloaded file, it will not work.

You need to find the zip file in internet I found it with Google.

When you have the file run a "cmd" window with Administrator privileges.

Navigate in the folder that you have decompressed and open the folder Drivers/Apple/ you will see the file BootCamp.msi or BootCamp64.msi, of course choose the one that correspond to your Windows System .... type the file name and hit enter .... the drivers will install .... but what we really want to be install is that little icon on the system tray (right bottom).

After we will restart windows that little icon will give you the chance to restart the computer in OS X.

If something during the BootCamp and Windows installation had corrupted your OS X installation, you will have to reinstall, but at least you will be able to do it now. ;-) It took me two weeks and lot of researches, it's an hour job. Have fun.

Your solution was the only one that worked. Thank you very much, I was struggling too...

Just something to add for newbies : search for cmd - right click "run as admin"

then you have to copy the full path of your BootCamp.msi (usually the .msi is hidden by default) in the black window that appears.

You can copy paste the full path by right clicking the BootCamp file and hit properties, the full path will be something like \Users\YOURUSERNAME\Downloads\BootCamp5.1.5640\BootCamp\Drivers\Apple\BootCamp. msi
You might have to right by hand BootCamp.msi

Don't forget the .msi or it wont work.

Thanks again and good luck to all of you 🙂

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