The specific methods are as follows:
1, change the letter is very simple, do not download any other software, Win7 with the function of changing the letter. Right-click on the computer and choose Manage;
2. Select "Disk Management" on the left side of the Computer Management window. On the lower right side of the window, all the disk characters of the machine appear.
3. Click to select the hard disk partition for which you want to change the letter (in this case, the new Volume: J), click the right mouse button, and select "Change Drive letter and path ..." In the right-click menu.
4. In the window that changes the drive letter and path, click the "Change ..." button;
5, in the pop-up dialog box, in the Drop-down list of "J" to "F". Then click OK to select the Yes button directly in the pop-up confirmation box. Complete the drive letter change;
6, OK, now we open the "calculation" window, you can see that the letter "J" has been changed to "F".
The above is the Win7 system to change the hard disk letter J disk into F disk method, if you encounter the same problem users, timely reference to the above tutorial to solve it.