If you don't have a copy of Windows 7, 8, or 10, you can create your own disc and use it to boot then format drive C. Steps to format C drive with a System Repair Disc. Thank you for your time. If your laptop is old, it may be because your laptop has an older model hard drive. Enter your laptop's model number into the search field and download everything in the "Drivers" section. Your laptop should boot up within a minute or less.

How to Format a Computer Through the BIOS. This way can also be applied to format C drive with Windows 10/8.1/8 installed. After formatting C drive, computer won't be able to boot, and you need to considering reinstalling operating system. If you want to securely format your laptop before disposing of it or selling it. 5,243 Views. Select the type of drive containing the boot disc, whether the floppy drive or the CD drive. Include your email address to get a message when this question is answered. Format C From a Windows Setup Disc or Flash Drive.

Have a look at how it works: 1. Option 1. Boot from a bootable device OTHER THAN the hard drive you want to format. Steps to format a computer using command prompt in BIOS 1. (Take Windows 7 Setup DVD as an example) 2. This article has been viewed 809,644 times. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c2\/Format-a-Laptop-Hard-Drive-Step-1-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-1-Version-5.jpg","bigUrl":"\/images\/thumb\/c\/c2\/Format-a-Laptop-Hard-Drive-Step-1-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-1-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a2\/Format-a-Laptop-Hard-Drive-Step-2-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-2-Version-5.jpg","bigUrl":"\/images\/thumb\/a\/a2\/Format-a-Laptop-Hard-Drive-Step-2-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-2-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/40\/Format-a-Laptop-Hard-Drive-Step-3-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-3-Version-4.jpg","bigUrl":"\/images\/thumb\/4\/40\/Format-a-Laptop-Hard-Drive-Step-3-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-3-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c8\/Format-a-Laptop-Hard-Drive-Step-4-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-4-Version-4.jpg","bigUrl":"\/images\/thumb\/c\/c8\/Format-a-Laptop-Hard-Drive-Step-4-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-4-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/6d\/Format-a-Laptop-Hard-Drive-Step-5-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-5-Version-4.jpg","bigUrl":"\/images\/thumb\/6\/6d\/Format-a-Laptop-Hard-Drive-Step-5-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-5-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3a\/Format-a-Laptop-Hard-Drive-Step-6-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-6-Version-4.jpg","bigUrl":"\/images\/thumb\/3\/3a\/Format-a-Laptop-Hard-Drive-Step-6-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-6-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/05\/Format-a-Laptop-Hard-Drive-Step-7-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-7-Version-5.jpg","bigUrl":"\/images\/thumb\/0\/05\/Format-a-Laptop-Hard-Drive-Step-7-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-7-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/25\/Format-a-Laptop-Hard-Drive-Step-8-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-8-Version-5.jpg","bigUrl":"\/images\/thumb\/2\/25\/Format-a-Laptop-Hard-Drive-Step-8-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-8-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/48\/Format-a-Laptop-Hard-Drive-Step-9-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-9-Version-5.jpg","bigUrl":"\/images\/thumb\/4\/48\/Format-a-Laptop-Hard-Drive-Step-9-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-9-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/61\/Format-a-Laptop-Hard-Drive-Step-10-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-10-Version-5.jpg","bigUrl":"\/images\/thumb\/6\/61\/Format-a-Laptop-Hard-Drive-Step-10-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-10-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/65\/Format-a-Laptop-Hard-Drive-Step-11-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-11-Version-5.jpg","bigUrl":"\/images\/thumb\/6\/65\/Format-a-Laptop-Hard-Drive-Step-11-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-11-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e3\/Format-a-Laptop-Hard-Drive-Step-12-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-12-Version-5.jpg","bigUrl":"\/images\/thumb\/e\/e3\/Format-a-Laptop-Hard-Drive-Step-12-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-12-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/ba\/Format-a-Laptop-Hard-Drive-Step-13-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-13-Version-4.jpg","bigUrl":"\/images\/thumb\/b\/ba\/Format-a-Laptop-Hard-Drive-Step-13-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-13-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f2\/Format-a-Laptop-Hard-Drive-Step-14-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-14-Version-4.jpg","bigUrl":"\/images\/thumb\/f\/f2\/Format-a-Laptop-Hard-Drive-Step-14-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-14-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/84\/Format-a-Laptop-Hard-Drive-Step-15-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-15-Version-5.jpg","bigUrl":"\/images\/thumb\/8\/84\/Format-a-Laptop-Hard-Drive-Step-15-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-15-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d9\/Format-a-Laptop-Hard-Drive-Step-16-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-16-Version-4.jpg","bigUrl":"\/images\/thumb\/d\/d9\/Format-a-Laptop-Hard-Drive-Step-16-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-16-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/01\/Format-a-Laptop-Hard-Drive-Step-17-Version-4.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-17-Version-4.jpg","bigUrl":"\/images\/thumb\/0\/01\/Format-a-Laptop-Hard-Drive-Step-17-Version-4.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-17-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fe\/Format-a-Laptop-Hard-Drive-Step-18-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-18-Version-5.jpg","bigUrl":"\/images\/thumb\/f\/fe\/Format-a-Laptop-Hard-Drive-Step-18-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-18-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/89\/Format-a-Laptop-Hard-Drive-Step-19-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-19-Version-5.jpg","bigUrl":"\/images\/thumb\/8\/89\/Format-a-Laptop-Hard-Drive-Step-19-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-19-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/96\/Format-a-Laptop-Hard-Drive-Step-20-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-20-Version-5.jpg","bigUrl":"\/images\/thumb\/9\/96\/Format-a-Laptop-Hard-Drive-Step-20-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-20-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5a\/Format-a-Laptop-Hard-Drive-Step-21-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-21-Version-5.jpg","bigUrl":"\/images\/thumb\/5\/5a\/Format-a-Laptop-Hard-Drive-Step-21-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-21-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f4\/Format-a-Laptop-Hard-Drive-Step-22-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-22-Version-5.jpg","bigUrl":"\/images\/thumb\/f\/f4\/Format-a-Laptop-Hard-Drive-Step-22-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-22-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d7\/Format-a-Laptop-Hard-Drive-Step-23-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-23-Version-5.jpg","bigUrl":"\/images\/thumb\/d\/d7\/Format-a-Laptop-Hard-Drive-Step-23-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-23-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/45\/Format-a-Laptop-Hard-Drive-Step-24-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-24-Version-5.jpg","bigUrl":"\/images\/thumb\/4\/45\/Format-a-Laptop-Hard-Drive-Step-24-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-24-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3b\/Format-a-Laptop-Hard-Drive-Step-25-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-25-Version-5.jpg","bigUrl":"\/images\/thumb\/3\/3b\/Format-a-Laptop-Hard-Drive-Step-25-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-25-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/54\/Format-a-Laptop-Hard-Drive-Step-26-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-26-Version-5.jpg","bigUrl":"\/images\/thumb\/5\/54\/Format-a-Laptop-Hard-Drive-Step-26-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-26-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/96\/Format-a-Laptop-Hard-Drive-Step-27-Version-5.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-27-Version-5.jpg","bigUrl":"\/images\/thumb\/9\/96\/Format-a-Laptop-Hard-Drive-Step-27-Version-5.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-27-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/54\/Format-a-Laptop-Hard-Drive-Step-28-Version-2.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-28-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/54\/Format-a-Laptop-Hard-Drive-Step-28-Version-2.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-28-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/55\/Format-a-Laptop-Hard-Drive-Step-29-Version-2.jpg\/v4-460px-Format-a-Laptop-Hard-Drive-Step-29-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/55\/Format-a-Laptop-Hard-Drive-Step-29-Version-2.jpg\/aid1156033-v4-728px-Format-a-Laptop-Hard-Drive-Step-29-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"