Battery icon has disappeared

Several issues can possibly cause the battery icon (indicator) on the Allegro Field PC to disappear from the system tray. Such issues (with possible solutions) could include:

• Corrupt Windows registry (requiringReset,Restore, orSet Factory Defaults)
• Firmware lockup (requiring 20 second On/Off key hold, or remove battery for 20 minutes)
• Broken battery contact on green system board beneath battery (requiringrepair)