Windows is supposed to assign drive letters to all internal and external storage devices. Storage partition cannot be detected by the system without an assigned letter. However, the OS sometimes goes haywire and requires some extra help getting things back on track. This includes the normal functioning of certain services and functions of the Windows architecture, which needs to be redone to bring the operating system back to its normal state. This article discusses various things you can check and perform so that your system automatically assigns drive letters from here on out. We will also be showing you how to assign or change drive letters manually in Windows.
Fix USB flash drive not detected in Windows 11
You may see a prompt stating that a new device has been connected when you insert your USB flash drive. However, you are unable to access it through Explorer. As we mentioned, the most likely reason your flash drive is not being detected by your Windows PC (other than physical damage) is that your system is unable to assign a drive letter to it. Here’s what you can do to mitigate the issue:
Start Virtual Disk service
The Virtual Disk is a Windows service that is responsible for a wide range of storage functions, including the assignment of drive letters. If the service is malfunctioning or stopped, your system can likely run into multiple problems. You may not have disabled Virtual Disk yourself, but occasionally some technical issues can prevent some services from starting. Therefore, you must manually enable the service. Alternatively, you can also start the service through Command Prompt. To do so, launch the Command Prompt with administrative privileges and then first check the current status of the Virtual Disk service using the following command: If the state shows stopped, you can start the service using the following command: Once the service is enabled, you can try reconnecting the storage device to check if it is now accessible through File Explorer again. If it is still not, you should continue down to perform the rest of the techniques.
Enable auto-mount
By default, storage partitions are meant to automatically mount themselves to your device, and assign a drive letter. This could be another reason why your device has not been assigned a drive letter yet. You can now try reconnecting the storage device to check if a drive letter is assigned. If you still face any issues, continue to the next step.
Disable Hidden/No default drive letter attributes
Windows assigns attributes to each file, folder, and storage volume. If you are still unable to see your storage device in File Explorer, it is likely that its “Hidden” and/or “No default drive letter” attributes are enabled. This must be disabled to assign it a drive letter. Here is how to do so: You should now try reconnecting the storage device to check if a drive letter has been assigned and whether it is accessible through Explorer. If not, you can still try and allocate a drive letter manually using the next approach.
Assign drive letter manually
If none of these methods work for you, you can manually assign a drive letter to your storage device so it can be detected by Explorer. This can be done through the Disk Management utility that comes preinstalled with Windows. Launch the Disk Management utility by typing in diskmgmt.msc in Run while keeping your storage device connected. From there, right-click on the volume that you wish to assign a drive letter to and then click Change drive letter and paths from the context menu.Assign drive letter from Disk Management console In the pop-up window, click Add. Then, select the “Assign the following drive letter” radio button and select a letter to assign from the drop-down menu in front of it. Click OK when done. The drive letter should now be assigned to the storage drive and you ought to be able to access it through File Explorer.Drive letter assigned
Closing words
The drive letter differentiates between the different partitions attached to your device. These can be assigned to both internet and external storage devices, even those that are connected over the internet. Partition not having a drive letter will always go undetected in File Explorer as well as to any regular computer user. However, the IT pros would know that there is something fishy with the volume, and would immediately recognize that all that is required to get the storage drive detected is to assign it a drive letter. You do not need to be an IT pro to do so. Simply follow this guide to automatically assign drive letters to all future storage drives that connect to your computer. Also see:
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