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Ram Drive Sys Drive Letter Reassignment

If you use multiple USB drives, you’ve probably noticed that the drive letter can be different each time you plug one in. If you’d like to assign a static letter to a drive that’s the same every time you plug it in, read on.

Windows assigns drive letters to whatever type of drive is available—floppies, internal hard disks, optical drives, SD cards, and external USB drives. This can be annoying—especially if you use backup tools or portable apps that prefer to have the same drive letter every time.

To work with drive letters, you’ll use the Disk Management tool built into Windows. In Windows 7, 8, or 10, click Start, type “create and format,” and then click “Create and format hard disk partitions.” Don’t worry. You’re not going to be formatting or creating anything. That’s just the Start menu entry for the Disk Management tool. This procedure works the same in pretty much any version of Windows (though in Windows XP and Vista, you’d need to launch Disk Management through the Administrative Tools item in the Control Panel).

Windows will scan and then display all the drives connected to your PC in the Disk Management window. Right-click the USB drive to which you want to assign a persistent drive letter and then click “Change Drive Letter and Paths.”

The “Change Drive Letter and Paths” window the selected drive’s current drive letter. To change the drive letter, click “Change.”

In the “Change Drive Letter or Path” window that opens, make sure the “Assign the following drive letter” option is selected and then use the drop-down menu to select a new drive letter. When you’re done, click “OK.”

NOTE: We suggest picking a drive letter between M and Z, because earlier drive letters may still get assigned to drives that don’t always show up in File Explorer—like optical and removable card drives. M through Z are almost never used on most Windows systems.

Windows will display a warning letting you know that some apps might rely on drive letters to run properly. For the most part, you won’t have to worry about this. But if you do have any apps in which you’ve specified another drive letter for this drive, you may need to change them. Click “Yes” to continue.

Back in the main Disk Management window, you should see the new drive letter assigned to the drive. You can now close the Disk Management window.

From now on, when you disconnect and reconnect the drive, that new drive letter should persist. You can also now use fixed paths for that drive in apps—such as back up apps—that may require them.

1) You didn't answer the question

2) Your reply is inaccurate. When I installed the Windows 10 Technical preview to My HDD0 drive, it was partitioned as follows: C:\windows7(NFTS), D:\data(FAT32), E:\updates(FAT32), F:\FAT16(FAT16), G:\Unused(NFTS). I installed Windows 10 Technical Preview on G:\, but when I booted Windows 10, it shows the drive letters as: C:\Windows10 D:\windows7, E:\data, F:\updates, G:\FAT16. (They still appear as before when I boot into Windows7). Needless to say, this messes up all my procedures and batch files. Why did this change of drive letters occur, and is there anyway to avoid it? It defeats the purpose of a dual-boot system if you can't address you partitions the same way as before.

3) I have found no feature in Windows 10 to change the drive letter via Disk Management, or elsewhere

Drive letters are normally assigned by Windows at installation with the OS partition as C:, every other hard drive and partition in somewhat physical order, CD/DVD/BR drives installed, then any other partitions/hard drives/removable drives added after installation.  Windows will sometimes "remember" different removable drives, so it assigns one USB drive to a letter, then a different USB drive to another letter.  Windows may also perm-assign a drive letter to any internal memory card device or another hot- swappable drive permanently installed in the system, even if a card or drive is never inserted.

To change drive letters in Disk Management, select the partition or drive you want to change, right click it, then select Change Drive Letter and Paths.  Remember, you can only assign a drive letter than has not been assigned, so you may have to start with assigning your Win10 partition to H:, then assign each disk by one, until you have the drive letters assigned the way you wish.

Good luck!  Have a good one!

~Azrael's Kiss~

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