Solution that fails to start after XP fails to upgrade to Vista

When you try to start after failing to upgrade to Windows Vista, but you can't enter Windows XP, you can't enter vista, but instead display a black screen and a blinking bottom line.

What should I do when this happens? (vista home) www.vista123.com provides you with the following steps:

1. Start your computer with the Windows XP CD.

2. On the "Welcome to the Installer" screen, press R to repair Windows.

3. Log in to the Windows XP installation you want to repair.

4. Type fixboot and press Enter.

5. Type y and press Enter to confirm that you want to write a new boot sector to the system partition. When you do this, the following message is displayed:

A new boot sector was successfully written.

6. Type exit and press Enter to exit the Recovery Console.

7. Restart your computer and complete the Windows Vista upgrade.