User's Manual

１８
If you do the upgrading for the first time, please install the Rock chip USB
driver in accordant with the bellowing instructions.
If you are upgrading via your PC for the first time, it requires your PC to
install Rock chip USB driver, after your tablet entering into upgrading
mode, it will pop out a guide advising you that the PC finds new
hardware. Select manually install and then click “next”
Select the USB driver in accordant with your PC system, the driver is
included in the “RK batch tool”. Then the PC will install the USB driver
automatically. After finishing USB installing, go back to upgrading mode.
Note
If your PC is with Win7 or Vista system, it will not pop out the guide
leading you to install the driver, you get to install the driver in “My
Computer”.
1. Right click “My Computer”, select “Device Manager”
2. There will be an “Unknown Device” with an exclamation mark
appears
3. Right click the “Unknown Device”, select “renew driver software”
4. Load the USB driver included in the “RK batch tool” to install the USB
driver.
Note: Do not turn on “USB Debugging” in the setting when upgrading
firmware.
5. When you finish the driver installation, you can come back to
upgrading procedures.
Troubleshooting
1. Can not turn on the tablet
Check the tablet’s power level; please charge it before starting it. In
case your tablet still cannot be turned on, you may try to reset it
2. No sound from earphone
Check if volume is set to ‘0’. Or earphone may be broken, please
change for another one.
3. Big noise
Check if there is dust in the earphone or speaker. Check if the file is
broken.
4. Screen drift or unresponsive screen