Resolving Common Touch Control And Resolution Issues With Windows And Mac Operating Systems - SMART SPNL-4055 User Manual

CHAPTER 5
TROUBLESHOOTING YOUR INTERACTIVE FLAT PANEL
Resolving common touch control and resolution
issues with Windows and Mac operating systems
Problem
Resolution and/or touch
inaccuracies
NOTE
The recommended
resolutions for the
interactive flat panel are:
3840 × 2160 (for SPNL-
l
4075 and SPNL-4084
using HDMI and a
computer that supports
4K UHD)
1920 × 1080
l
1280 × 720
l
See Configuring your
computer's screen
resolution on page 14 for
more information and
settings.
The interactive flat panel
doesn't turn on.
32 smarttech.com/kb/170800
Cause
The display's resolution is not
set to the recommended
setting.
The interactive flat panel isn't
connected to a power source.
The interactive flat panel is in
Sleep mode.
Solution
Press the
Auto
button on
the
remote
control. This adjusts the image
to match the settings the
display adapter is sending. In
most cases this will help or
solve touch issues. You can
manually adjust display settings
if needed. See Configuring
your computer's screen
resolution on page 14.
Connect your interactive flat
panel to a power outlet.
Press the Power button on the
menu control panel or on the
remote control.