Win7 disk becomes unmarked volume solution

  


1. First, double-click to open the computer icon, and find the tool in the menu bar, as shown in the figure:

2. If you don't see the menu bar, as shown below, click Organization → Layout & Rarr; menu bar, as shown:

3, click on the tool, select the folder option, as shown:

4, then switch to the View tab, Find “display drive letter” in the advanced settings bar and check it as shown:

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