Troubleshooting screen share connectivity for Miracast
Use this troubleshooting wizard to resolve connectivity issues with screen sharing.
When trying to connect devices using Miracast, the following issues occur:
The display’s name does not appear in the list of available displays.
The display’s name appears, but you can’t connect to the display.
Display refers to the SMART Board interactive display or SMART Board display.
Device refers to the Windows computer that is sharing its screen.
On your device, turn on Airplane mode for 30 seconds. Turn Airplane mode off, wait 15 seconds, and then reconnect.
Try sharing your screen again. If the issue persists, click Continue.
Try these additional troubleshooting steps:
Confirm that the screen sharing app is open on the display.
On the display, turn Wi-Fi off and back on.
Confirm that the network’s firewall and proxy settings are configured for screen sharing.
Try sharing your screen again. If the issue persists, click Continue.
If the issue still persists, there may be an issue with the network setup. Contact a network engineer for further assistance.
Confirm that the Miracast receiver is enabled (see instructions below). If it’s not, enable it.
Try sharing your screen again. If the issue persists, click Continue.
For displays with SMART Mirror
On the display, tap Screen Share
to open SMART Mirror’s home screen.Tap Settings
.Tap Network & Connections and turn on the Miracast receiver.
For displays with SMART Screen Share
From the iQ Home screen, tap Settings
.Tap Screen Share.
Locate Miracast and enable it.
On your device, turn on Airplane mode for 30 seconds. Turn Airplane mode off, wait 15 seconds, and then reconnect.
Try sharing your screen again. If the issue persists, click Continue.
Check that Wi-Fi on the display is turned on and connected. Miracast works only on Wi-Fi.
Try sharing your screen again. If the issue persists, click Continue.
To connect to an Wi-Fi network
If an Ethernet cable is connected to the display or iQ appliance, disconnect it.
From the Home screen, tap Settings
.Tap Wi-Fi.
Note
Ensure Wi-Fi is turned On.
Select a wireless network.
If the Wi-Fi network is not password protected, the display connects to the network.
If the network requires a password, enter the Wi-Fi password and tap Connect.
OR
If the network requires a username and password, enter the username and Wi-Fi password and tap Connect.
Tip
Use the crosshairs to move the on-screen keyboard.
Perform a site survey:
Check for open channels on the 2.4 or 5 GHz bands.
Ensure that there is no channel overlap within your corporate wireless environment. If there is significant noise on the same channels that Wi-Fi Direct is using, the user experience and performance may be significantly degraded.
Some tools you can use:
WiFi Analyzer (Android app)
Network Analyzer (Apple app)
Try sharing your screen again. If the issue persists, click Continue.
If there are no open channels, Miracast will not work reliably.
Contact a network engineer for further support with your organization’s network setup.
SMART offers the following alternatives for sharing from a Windows device:
Use a Chrome or Edge browser tab (Google Cast) to share.
Note
To use this option, confirm the network is properly set up for Google Cast.
Use the SMART screen sharing client app for Windows.
Tip
Not sure which one you need? Learn about the options.
If the display has SMART Mirror installed as the screen sharing app, use smartmirror.link on the device to share its screen.
Reset the Wi-Fi chipset to try locating one of the open channels:
Turn Airplane mode on/off.
Turn Wi-Fi off and back on on the display and the device.
Try sharing your screen again. If the issue persists, contact SMART Support.
Before you contact SMART Support, learn about the information to include, and get a checklist to download and attach to your ticket.
Tip
To get the fastest support, include details about the troubleshooting steps you’ve tried. Copy the list below and edit the items as needed:
Updated all devices and apps.
Turned Airplane mode on/off.
Reset the Wi-Fi / network.
Verified that the display's network connection is working.
Connected successfully (or unsuccessfully) with a mobile hotspot.
You should also include how many displays were affected and which broadcasting devices were affected.
Thank you for using this troubleshooting wizard.
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