There are many useful features in Windows 7, most of which are rarely noticed or understood. For example, Windows 7 hard drive letter adjustment function, the operation is very simple, adjust the wrong drive letter with a few clicks of the mouse can be completed. Under what circumstances do I need to use this Windows 7 hard drive letter adjustment function? The author assumes three cases. The first one is that after the new hard disk is added, the C disk of the new hard disk becomes the current D disk, and the original D disk becomes the current E disk. Or the drive letters of the two hard disks are staggered. How to put the drive letter of the second hard disk in order behind the first hard drive letter? Second, the newly bought notebook originally had only one partition. After partitioning the hard disk, the new partition is the E disk, because the drive letter of the optical drive defaults to the D disk. How to adjust the drive letter to the hard drive letter? In the third case, a new partition is added to the current hard disk, but the drive letter of the partition is not what I want, and I want to reschedule the drive letter (the following is a demonstration according to this method). If there is a fourth, it may be because of the use of pirated Windows7. Windows7 to adjust the drive letter Detailed To adjust the drive letter in Windows 7, you must first open the disk management. Search for "Computer Management" in the Windows 7 Start Search box to open it. Then, click on the drive letter you want to adjust, for example to indicate PConline's "H" drive, then click "Change drive letter and path". Click "Change" to adjust the current drive letter. In the pop-up window, select the drive letter you want to arrange, such as the "U" selected by the author. The Windows 7 prompt is actually very user-friendly. The following tips are to remind users that if your MSN and other software are installed on this disk, once the drive letter is modified, the software may not work. If you are sure there is no problem, click "Yes". Finally, the change was successful and the original "H" disk has become the current "U" disk. Written in the last I thought that the author did not know how to adjust the drive letter, the method of adjusting the drive letter in the Win98 era is to reinstall the system (the past is unbearable), let the system automatically recognize the drive letter. Now, adjusting the drive letter in Windows 7 is no longer a difficult task, and it can be done with a few clicks. If you want to adjust all the drive letters, repeat the above operation.