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USB Flash drive locked - Unable to write

November 2015

The USB stick is a hardware component which is used to store data. It has a switch which slides up and down to enable or disable the write protection lock. Confirm that the switch is not disabled from the write mode. If it is locked, then unlock it and resume writing. Ascertain that the directory written into is not read-only. If it is read-protected, then right-click on the folder and uncheck the "Read Only" button. There are many online recovery tools which are related to a specific brand of USB stick. For example, utilise the JetFlash Online Recovery tool to repair Transcend USB keys which gives the user the flexibility to either maintain stored information or the format key. Lastly, formatting the USB key is the final solution.

USB Flash drive locked - Unable to write

If you cannot write or save files on your USB drive, it is probably locked in read-only.

Read-only lock

As a first step, verify that the USB does not have a small switch (normally "hold" or "locked" written on it) disabling write mode. Unlock it and try to write.

File System

Check if the directory in which you are trying to write is not read-only protected by the system. Right-click on the folder, and then uncheck the "Read Only" option.

For USB keys of the Transcend brand

You can try to make use of the JetFlash Online Recovery tool to repair Transcend USB keys (either by maintaining the stored data or by formatting the key)


Format the USB key

As a last resort, you can always try formatting the USB key.
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Published by jak58. - Latest update by Paul Berentzen
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