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reboot

To restart a computer. In DOS, you can reboot by pressing the Alt, Control and Delete keys simultaneously. This is called a warm boot. You can also perform a cold boot by turning the computer off and then on again.

On a PC running Microsoft Windows you reboot by selecting the "Shut Down" option from the Start menu. On Macs, you reboot by selecting the "Restart" option from the Special menu.

See "Tips to Fix a Slow Running Computer" in the Quick Reference section of Webopedia.
 



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