Smart Technologies SMART Board 2000 series, User Manual, Page: 47 / 60

CHAPTER 4
TROUBLESHOOTING
39 smarttech.com/kb/171178
Issue Solutions
When using Miracast, the text on
your is fuzzy or images stutter.
NOTE
Projecting video or games to the display might not work well.
Decrease the screen resolution on your Windows 8.1 computer.
a. On your computer, swipe in from the right edge of the screen, and then
tap Search .
OR
With a mouse, point to the lower-right corner of the screen, move the
pointer up and click
Search .
b. Enter Screen resolution in the search box and select Display settings .
c. Use the Resolution slider to choose a smaller screen resolution.
When using Miracast, audio plays
on the computer rather than
display.
l
Disconnect the display and then reconnect to it.
l
Check that the display is selected as the default audio device.
a. On your computer, swipe in from the right edge of the screen, and then
tap Search .
OR
With a mouse, point to the lower-right corner of the screen, move the
pointer up and click
Search .
b. Enter Sound in the search box and click Sound .
c. Click Playback , and make sure the display is selected as the default
device.
Advanced troubleshooting for Screen Share
Issue Solutions
Mobile devices and computers
can’t find the display.
l
Organizations often block a number of network ports.
Ask the administrator to allow
o
TCP ports 7000, 8008, 8009, 47000, 7100, 49228, 50259
o
UDP ports 62572 and 54780
o
If using Google Cast, UDP port 1900
o
If using Windows computer or a Mac computer, UDP port 5353.
See connecting-to-a-network.htm for more information.
l
The display’s casting ID may not have propagated yet through the network or
may be cached on the network when it’s not actually available.
Wait several minutes and attempt to connect again.
l
You’re using Miracast or an unsupported wireless screen casting method.
See Using Screen Share on page 18.
You’re using Miracast or an unsupported wireless screen casting method.
See the SMART Board 2000 series displays quick reference
( smarttech.com/kb/xxxxxx ).