ERROR_SERIAL_NO_DEVICE 0x8007045E

Error code 1118 · HRESULT 0x8007045E

WINDOWS

No serial device was successfully initialized. The serial driver will unload.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_SERIAL_NO_DEVICE is a Windows error code (system error 1118, returned as HRESULT 0x8007045E) reported by Windows. Its official message is: “No serial device was successfully initialized. The serial driver will unload.”

How to fix ERROR_SERIAL_NO_DEVICE

  1. Open Device Manager, look for yellow warnings and update or roll back the driver
  2. Disconnect and reconnect the hardware; test it on another USB port or machine
  3. Check the System event log for the device's error driver name

Related errors

Source: Microsoft WinError.h

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