304-Keyboard or System Unit Error

Symptom

304-Keyboard or System Unit Error.

Cause
  • The keyboard is not connected correctly.
  • The keyboard has failed.
  • The mouse is not connected correctly.
  • The mouse has failed.
  • An issue exists with the system board.
Action
  1. Verify that the keyboard and mouse are connected.
  2. Run Insight Diagnostics and replace failed components as indicated.

    For more information, see the frame maintenance and service guide on the Hewlett Packard Enterprise website.