Smarttech SBID-7075, Installation And Maintenance Manual

Page: 79 / 106

CHAPTER 7
TROUBLESHOOTING
69 smarttech.com/kb/171164
Issue Solutions
When using Miracast, the text on
your display is fuzzy or images
stutter
NOTE
Projecting fast-action games to thedisplay might not work well.
Change the screen resolution on your PC.
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 click Display settings .
c. Use the Resolution slider to choose a different screen resolution.
When using Miracast, audio
continues to play on the computer
and not on the display.
l
Disconnect the display and then reconnect to it.
l
Check that the display is selected as your 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.
The screen is not responding to
touch or you’re unable to write or
draw with the pens. Touch interactions are not supported while using Screen Share.
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 To allow mobile devices and computers to use AirPlay and Google Cast to
use the Screen Share app on page 35 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 the SMART Board 7000 series interactive displays user’s guide
( smarttech.com/kb/171163 ).