USB flash drive not detected Solution 1:
Go to start>control panel> Device Manager
Expand the list next to “Disk Drives” option.
You can see a down facing arrow over your USB drive. Double click it and choose the option to “Enable Device”.
Click Next.
Click ‘Next’ again.
Finally, click Finish.
After this, you need to assign the drive letter. To do so follow given steps:
Go to Computer Management. Go to Start>Control Panel>System and Security>Administrative Tools then choose “Computer Management.”
Click on Disk Management and Right click the USB drive. Select the option to “Change Drive Letter and Paths.”
Click ADD and then click OK.
Now, assign any available drive letter to the USB drive by clicking it.
Right click the USB to designate it as “Online.”
That’s it. It should work now. If not, try USB flash drive not detected Solution 2.
USB flash drive not detected Solution 2:
Open CMD with Administrative permission.
Now, you need to enter following commands.
Diskpart
list disk
select disk and thedisk number. Note: that the disk size will be shown in MB.
attributes disk clear read-only
clean
create partition primary
format fs=fat32 quick (or NTFS). For USB drives with the smaller capacity, it’s recommended to use fat32. If you want to make a bootable USB format as NTFS.
* wait for the format to finish (100%)
Exit