Hitachi HF-BX1000, Instruction Manual, Page: 139 / 197

6. TROUBLESHOOTING
6-12
(9) Keyboard input is not accepted.
<Possible cause>
An application has frozen, there is a problem with the cable connection, or the keyboard has
failed.
<Action>
1. Keyboard input may not be accepted temporarily due to a frozen application.
If the equipment responds to Alt + Tab or Ctrl + Alt + Delete , try the following procedure:
i) Switch applications by pressing Alt + Tab and identify which application has frozen.
ii) After you identify the frozen application, use Task Manager to terminate the application.
To start Task Manager, press Alt + Ctrl + Delete . The Windows Security window will
open. Click Task Manager .
iii) Restart the equipment.
2. Disconnect the keyboard interface cable and securely reconnect it to ensure a stable
connection.
3. Connect the keyboard interface cable to another port.
4. Replace the keyboard with another keyboard to check whether the latter works.
5. Reboot the equipment.