Troubleshooting black screen issues when sharing content with ClickShare

Article number: [10187]

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This article covers troubleshooting black screen issues when sharing content with ClickShare.

IssueSolution
Black screen when showing videosClickShare will not display HDCP content, resulting in a black screen. For regular videos (non-HDCP), you can try disabling overlays settings on the video player or using a different video player. For details, see KB4354
ClickShare CX-50 connected to a Samsung QMxx/QBxxB screen is either not starting or repeatedly turns on/off

In the Samsung display menu activate "Input Signal Plus" on the HDMI port. For details, see KB7239

Disable the CEC setting in the ClickShare Configurator. Under the general settings of the Samsung display, disable Anynet+ (HDMI-CEC) and keep the HDMI Hot Plug settings activated. For details, see KB7240

Casting Netflix content via AirPlay not possibleNetflix no longer supports AirPlay, so casting Netflix content via AirPlay is not possible. Sharing non-HDCP Netflix content using the ClickShare Button or app works fine. For details, see KB3219
Base Unit not waking up properly from deep standby mode via HDMI™ plug eventSet the Base Unit to ECO mode or use the power button to wake it up. For details, see KB3722
Screen connected to CSC-1 and CS(E) Base Unit doesn't awake, flashes or doesn't show the full contentDisable the Hot Plug Display Detection on CSC-1 and HDMI™ Hot-Plug display detection on CS(E). For details, see KB4237
Error message 'Unable to share No display detected appears' on your laptop and a black screen appears on the connected meeting room displayCheck cable connecting the ClickShare device to the meeting room display, replace if necessary. For details, see KB5342
Base Unit LED either blinking red or breathing white and no image is displayed on the screenDisable the CEC setting in the ClickShare Configurator and set HDMI™ resolution to 1920x1080. For details, see KB15299

 

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Last updated Jun 30, 2025