To do this, follow the instructions outlined in these articles (unfortunately, if this is not enabled then this fix will not work): Windows XP Windows VistaUsing another computer (either a mac with Microsoft Remote Desktop, or a WinXP/Vista computer), connect to the mac by entering its IP address and logging in. This fix requires that you have Remote Desktop enabled in Windows. Use Microsoft's Remote Desktop Connection to log into Windows and roll back the recent upgrade If this problem occurred after a Windows system update, then rolling back using a windows restore point should fix the problem. However, if you do have a recent backup then these home remedies should work:

If you are experiencing this problem and do not have recent backups of your system, it is highly recommended to take your computer in to an Apple authorized repair center, as home remedies may involve reformatting the hard drive. Boot Camp version 2.1 is purported to support the recently released Service Pack 3, but users are still experiencing issues. It is recommended to always keep Boot Camp updated to the latest version, and avoid windows system upgrades (such as the recently released service pack 3 for Windows XP) without first ensuring they work for others who have your specific computer model. The only advice from Apple is preventative, suggesting to '.check version of Microsoft Windows carefully before attempting to install it via Boot Camp'. This is a known issue with an unsupported version of Windows running under Boot Camp, and so far there are no fixes for it once it happens, as described by this Apple Knowledge Base article. For some users, the computer seems to boot normally in Windows, but the user cannot see anything on the display. Traditional workarounds including resetting the PRAM and SMC appear ineffective. When this issue occurs, the user cannot boot from the Leopard DVD by holding 'C' at startup, and holding 'options' at boot does not display the boot menu.

Several users are experiencing an issue under Boot Camp wherein after installing Windows or running an automatic update in Windows (either upon shutdown or otherwise), the subsequent reboot gets stuck with a black screen.

Bootcamp windows black screen