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I have installed dual Windows: XP and Windows7. After I reinstalled XP, the Boot Manager Screen no longer appears so I can't choose to boot with Windows 7. How could I solve it?
It sounds as though the Windows XP installation may have overwritten or disabled the Windows 7 Boot Manager. Here are a couple of things you can try.
Windows XP MSCONFIG
First, let's look at the boot.ini settings in MSCONFIG. It's possible that Windows XP has been set as the default operating system and, if so, that would eliminate the need for displaying a boot choice at startup.
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Go to Start > Run and type "msconfig" (without the quotes) into the box. Press Enter and the System Configuration Utility should open. From there, click the tab labeled BOOT.INI. Look through the list of items and see if Windows 7 appears. If so, and if you prefer, you could set it as the default operating system by highlighting it and clicking the Set As Default button.
Windows XP System Startup
Another option is to go to Start > My Computer > Properties > Advanced > Startup and Recovery > Settings. Under System Startup, you can choose the default operating system. Not only that, there's an option that should be ticked, "Time to display list of operating systems," as well as a time period that you can adjust. Make sure that you have a checkmark entered and choose a time limit such as 30 seconds. If this box isn't marked or if the time limit is set to just a few seconds, that could be the problem.
Repair Windows7
You could also try repairing the Windows 7 Boot Manager. To do this, you'll need your Windows 7 installation discs. Insert the install DVD and reboot your system. If your system doesn't boot from the drive, you may need to change the BIOS setting so that it does. Once Windows finds the bootable installation disc, it will look as though it's getting ready to install Windows. Don't worry, you'll be presented with a repair choice before that point. Select your language and click the Next button when prompted. Choose "Repair Your Computer" and "Start Repair." After the system has been repaired, Windows 7 should be able to detect your installation of Windows XP and automatically include it in the Boot Manager.
Is your computer an Open Invitation for HACKERS? Download free version of Sparktrust Inspector to identify vulnerabilities and problems on your computer (and even your WEBSITES)!
Celeste Stewart | April 29th, 2011
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