Try a different USB port on your PC (preferably a USB 2.0 port).
Re-download the .upp file to ensure it is not corrupted. owon hds2102s firmware update fix
The PC should emit a connection chime, recognizing an external drive or an unknown DFU device. The screen on the Owon may remain blank or show a transfer prompt; this is normal. Step 4: Flash via the Correct Software Method Try a different USB port on your PC (preferably a USB 2
Contact OWON support with: