User Guide

Troubleshooting
1716
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
Reconnect the USB cable.
Water drop or spot above
the glass surface.
Clean and remove the
water drop then reconnect
the USB cable.
The touch function
on the VSD243
HDMI Mode does not
work properly when
the USB cable is
connected to the USB
Type-B connector
Pc screen resolution
settings of Multiple
Displays are incorrectly
set to "duplicate these
displays."
Change computer resolution
settings from "duplicate
these displays" to "show
desktop only on 2" (VSD243)
5.2 Other Problems
Problems Solutions
No power
If the power LED is not blue
-
Ensure that the power adaptor is plugged to the correct
electrical outlet.
- Ensure that the DC connector is fully inserted into the correct
socket on the rear of the VSD243 located under the cover
- Check the power outlet with another device (i.e. table lamp)
- If there is still has no power then contact ViewSonic support
or the Reseller from whom the device was purchased.
No image Check external HDMI source and its connection.
Lock-up Restart
VSD243 device.
App doesn't
function
Check with App developer.
No network Check WiFi settings, try wired Ethernet cable if available.
No audio Check volume level setting.