"Blinking? The screen is black."
: Ensure the correct COM port is selected. If the device isn't found, check Device Manager on Windows to confirm the "USB Serial Port" number. delphi ds100e firmware update problem full
"Now!" he barked.
| Cause Category | Specific Failure Mechanism | Frequency | |----------------|----------------------------|------------| | | Voltage drop below 4.75V during flash erase/write | High | | USB host controller conflict | Windows USB selective suspend or driver interference | Medium | | Partial previous update | Interruption during sector erase leaves invalid firmware header | High | | Bootloader version mismatch | Old bootloader (< v2.1) incompatible with new application firmware | Medium | | Flash wear/defect | Bad block in sector storing firmware signature | Low (after 5+ years use) | "Blinking