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Troubleshooting
21
20
5 Troubleshooting
5.1 Touch Screen Problems
Problems
Causes
Solutions
Touch screen does
not respond to hand
gestures or render
them properly.
power noise during
device turn on process
Re-Plug the wire.
Water drop or spot above
the glass surface.
Clean and remove the water
drop then re-plug the USB
wire.
The touch function
on the VSD242
HDMI Mode does not
work properly when
the USB cable is
connected to the USB
B-type connector
Pc screen resolution
settings of Multiple
Displays incorrectly
set to "duplicate these
displays."
Change PC screen resolution
settings from "duplicate
these displays"to "show
desktop only on 2"(VSD242)
5.2 Other Problems
Problems
Solutions
No power
If the LED does not light blue with the device booting-up then:
- Ensure that the power adaptor is plugged-in to a suitable
power socket
- Ensure that the DC connector is fully inserted into the correct
socket on the rear of the VSD242 located under the cover
- Check the power socket with another device (i.e. table lamp)
-
If there is still no power then contact ViewSonic support or
the Reseller from whom the device was purchased
No display
Check external HDMI device and connections.
Lock-up
Restart VSD242
device.
App doesn't
function
Check with App author.
No network
Check WiFi settings, try Ethernet if available.
No audio
Check volume level setting.