Follow these steps to keep the tablet screen from going into sleep mode while plugged into AC power, or while on the cradle when the cradle is plugged into AC power.
- On the desktop, tap the Home icon.
- In the upper-right corner of the desktop home screen, tap the Apps & Widgets icon.
- In the Apps & Widgets screen, tap the Settings icon.
- In the Settings screen, tap to select Developer options.
- In the Developer options screen, tap to place a check in the box next to Stay awake.