I know to avoid Dell docks in the future. Modify /etc/pulse/default.pa ( source) to avoid my Dock being suspended (screens turn off seemingly randomly), placing a comment # before load-module module-suspend-on-idle, then restart my laptop.Try to replug the audio cable to the external speaker output on the docking station. Ensure that the correct playback device is selected on the laptop. If your BIOS Setup has an Audio-Enabled/Disabled option, ensure it is set to Enabled. Use the DisplayPort cable on another monitor to confirm if it’s in good condition. Ensure that the latest BIOS and drivers for your laptop and the docking station are installed on your laptop. The DisplayPort cable is broken, frayed, or substandard. The cable may be plugged loosely in the port. The monitor’s DisplayPort may be damaged. Your graphics drivers are a key component in your monitor’s ability to display graphics, and when it has an issue, your DisplayPort cable will not function either. (You made need to run xrandr -q to check what your outputs are) The following could cause the No DP signal from your device error: 1. etc/X11/Xsession.d/45custom_xrandr-settings containing ( source): xrandr -setprovideroutputsource 1 0 When not it use, i like to turn off the monitor power. ![]() I have this monitor hooked up to a Lenovo laptop, thru a docking station, via DP. Using my local electricity rate of 11.68 cents per kWh, that level of power consumption works out to 31 cents per year. Click the software icon in the Taskbar to. The P2719HC Users Guide here indicates that it only consumes 0.3 W in standby mode. Make sure the HDMI cable supplied with the panel, is tightly secured to the video port in the laptop. For Thunderbolt docks, check and make sure the Intel Thunderbolt software is running. Try to disconnect and reconnect with the Dock. If experiencing USB issues in pre-operating system environment, try the following BIOS settings.
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