How to Do a Startup Repair on Vista Without a CD
Microsoft Windows Vista comes prepackaged with a valuable tool called Startup Repair. Startup Repair can solve problems such as misplaced or damaged system files. The utility will scan your computer and attempt to identify and solve problems affecting your Windows Vista computer. Most of the time, people use an installation disk to operate Vista System Repair. Luckily, you can run System Repair without possessing any external media. You can easily navigate Vista in order to run this important operation.
Restart your computer. Make sure you remove all media from your disk drives before rebooting the system.
Press F8 during boot up. You need to do this before the Windows login icon appears. This will bring up the "Advanced Boot Options" screen.
Highlight "Repair your computer" in the menu. Press "Enter."
Select a keyboard layout. Click "Next." Select the user name you wish to use and enter your password. The "System Recovery Options" menu will appear.
Click "Startup Repair." Follow all on-screen prompts to run the utility. Your computer may restart several times during the process.