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Step 1
Insert the Restore disc into the CD/DVD drive. This has to be a Windows disc, and either a retail full version of Windows or a restore disc for that specific Windows Vista laptop.
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Step 2
Restart your laptop.
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Step 3
Strike the "F2" key at the top of your keyboard, or whichever "F" key lets you choose the Boot Order in order to select the disc drive.
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Step 4
Choose "Advanced" instead of "Standard" installation, which will bring you to a screen showing the hard drives you have installed in your Windows Vista laptop.
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Step 5
Click on each and any drives installed and choose the "Format" button on the bottom. Once the format finishes, proceed to any remaining drives and continue the process.
How to Format a Windows Vista Laptop