Appendix
W15 SERIES
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11. Appendix
11.1 Troubleshooting and Solutions
Common
Malfunctions
Reasons
Troubleshooting and Solution
No power supply
Please check whether the power
connector is correctly connected.
Make sure the power switch is set
to ON.
The device is not
operating
The input power supply
voltage is not within the
voltage range supported
by the system.
Maybe the system is under
over-voltage or under-voltage
protection, please examine
whether the input voltage is within
the allowed range.
The screen is under
“power saving” mode
Press any key on the keyboard.
The luminance control is
set to “Black”.
Increase the screen luminance by
luminance control. Please refer to
the instructions of the display for
detailed information.
The screen is
black
Contact Technique Support if the
screen remains black after
implementing the above measures.
Mouse cursor
cannot be moved
Mouse driver program
has not been loaded
When starting the application
program, examine whether the
mouse driver has been correctly
installed. For more detailed