What should I do if the Rainbow Digital panel LED is not lit?

How the Friend base digital panel LEDs are displayed

1, just plug in the board when the lights flashing a few times, when the computer recognized the Board, the Board on the indicator stop flashing;

2, the Board normal work, the pen into the induction zone, the board led flashing;

Note:

A. If the board LEDs are completely off, try switching to a USB interface, USB cable, or another computer. Need to check whether the power supply is insufficient, it is recommended that USB without extension cord, as far as possible plug in the rear of the chassis USB port.

B. Shadow 08 or 850+ in connection with the USB cable to pay attention to the board that the head of the mini USB interface because it is relatively tight, so you need to press to the end can be, if not in the end will happen to recognize, not start the drive failure.

C. If the board led flashing, may be because the computer USB connection is bad or unstable, you can try to change a USB interface, restart the computer or a computer to try. Also, check to see if the device is displaying properly. Open Device Manager, check the human input device, whether there is a yellow exclamation point icon equipment, if there is, please right-click the device, select "Update Driver software", select "Automatic search Update Driver software", installation completed, the device exclamation icon back to normal , and then plug the Board again.