Now, you can try them one by one until the issue is solved successfully.
Usb mass storage device driver is unavailable how to#
How to fix “USB flash drive detected but not accessible” in Windows PC?Īccording to the above-listed causes of USB flash drive detected but not accessible, we have collected some corresponding solutions as below for your reference. Of course, there are some other causes for this issue including bad sectors on the disk, virus infection, or insufficient USB power supply. If you are mainly running Windows PC, but the external hard drive is formatted to be Ext2/3/4, then it cannot be recognized by your computer. ▶The current file system is not compatible with Windows 11/10/8/7. If a partition of the flash drive comes without a drive letter, then you cannot see it in Windows File Explorer. ▶The USB does not have a drive letter or share a common drive letter with another partition. In such a case, you may find the USB drive recognized in Device Manager, but not in Disk management.
So it can be detected in Disk Management but not accessible in My Computer. If the flash drive is a brand-new disk, and there is not any partition on it, then the system won’t recognize it. ▶The USB drive is not partitioned at all. Is there any fix for this USB detected but not accessible issue? Any help would be greatly appreciated!”- from a forum userĪre you also a victim of the above situation? Or irritated with some other more terrible external storage media problems such as second hard drive not detected ? Have no idea what to do under such situations? Just relax! Here, we will elaborately analyze why this happens and how to fix it! Why USB drive detected but not accessible in Windows 11/10/8/7?Īs for why USB flash drive is not accessible in Windows 11/10/8/7, below are the main reasons you might need to take into consideration: So I cannot access any data or files stored in the USB stick, totally a nightmare. “Guys! Please help, now I am suffering from a terrible situation where I plug my USB drive into computer, it is detected well, but cannot be opened. The case: “USB flash drive detected but not accessible”
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