User Manual

20
Chapter 4 Troubleshooting
Troubleshooting
If users fail to find the solution to a problem in this section, please see the Chapter 1. This
section only describes the problems without need of referring to the further information in
Chapter 1.
Display problem
There is no display on the screen when Power on the tablet PC.
ș If the screen is stays black, please make sure that:
- AC power adapter has been connected to the tablet PC and adoptor has been plugged
into the main properly.
- The power of the tablet PC has been turned on. Press the power button for 2s again for
confirmation.
- Press the power button for 10s to cold shut down the tablet PC, and then press the
power button for 2s again, to restart the tablet PC.
ș If the above items have been set correctly, but the tablet PC remains to be black screen,
please send it to be repaired.
The screen becomes black when the tablet PC is running.
ș Please do the following to restore running from sleep mode:
- Press the power button.
Sleep Problem
ș After the fault information that battery is critically low is displayed, the tablet PC is shut
down immediately.
After the power is turned on, the tablet PC goes into sleep mode immediately.
ș The battery is low. Connect the AC power adapter to the tablet PC.
Please ensure:
- The battery has been fully charged.
- Working temperature is within the acceptable range.