That's OK, you could have another IOS on the flash.
Can you make sure, TFTP application is fired up on your PC and the root directory on your TFTP application is pointing to the location where the IOS is residing.
If you have TFTP running then do you see TFTP request come in and does the application generate any error. Also, make sure if you are running windows on your PC the firewall feature on it isn't blocking TFTP.
If the IOS is in the temp folder on C Drive, if you specify C:\ as the root directory location that's good enough.
TFTP application should show the progress of file transfer when the image is being copied.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...