Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: Why 'C' Is The Default Hard Drive Letter In So Many Computers

10 Apr 2015   #1
Microsoft MVP

Windows 7 Ult. x64
Why 'C' Is The Default Hard Drive Letter In So Many Computers

For nearly as long as hard disk drives have been placed in personal computers running certain popular operating systems (notably MS-DOS/Windows), the primary hard disk has been designated with the letter C. But why?
Why 'C' Is The Default Hard Drive Letter In So Many Computers | Gizmodo Australia
My System SpecsSystem Spec
10 Apr 2015   #2

Windows 10 Pro X64

The first comment was great Reading the article brings back memories of floppy drives. I have to admit, SSD's are amazing remembering how it used to be. Thanks for posting mate
My System SpecsSystem Spec
10 Apr 2015   #3

Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP

Because years ago A: and B: were reserved by the BIOS for floppy drives. If a computer contains two or more HDDs recognized by the BIOS the installation of an Operating System may give a choice as to which HDD to use.
My System SpecsSystem Spec

11 Apr 2015   #4

Windows 7 Ultimate x64 SP1

I hate being a nerd sometimes, anything other than computers and this type of information would have been educational, unfortunately, this is something I already knew *sigh*
My System SpecsSystem Spec

Thread Tools

Similar help and support threads
Thread Forum
Making a static drive letter on multiple computers
I guess no one wants to help, delete this thread.
Hardware & Devices
External Hard Drive (F) Drive Letter changed to G - Can't change back
My External Hard Drive (My Book) was always Drive letter F. I went to sleep and woke up to find Windows 7 Pro had updated and rebooted and I was welcomed by my login screen. Consequently now my My Book external HDD now reads as Drive letter G. I went into Administrative Tools > Computer...
Hardware & Devices
External Hard Drive - Drive Letter changed - unable to change back
I have a USB external hard drive that I keep all my documents etc on (had it for years) I upgraded from Vista Home to & Home Premium then had to upgrade recently to Professional to run my Sage. Through all these upgrades my ext. drive ran fine. Occasionally the drvie letter would change if I...
Hardware & Devices
Slave hard drive letter
I have a second internal hard drive with data. Currently it is the slave. I have tried cable select with the same result. Disk management sees the drive but I cant assign it a letter. All options under Task -> All options are greyed out except delete volume. How do I give it a letter so I can...
General Discussion
Can't change hard drive letter to needed letter
I lost my Event Viewer, and had to do a repair installation to fix it. Unfortunately, during the repair install, Windows decided to rename my second HD as the D: drive... it was K: before that. Now I cannot access any of my docs, pictures, music, or videos through the normal means... they don't...
General Discussion

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 23:48.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App