![]() We've tried reinstalling every driver related to sound, and even graphics drivers, but to no avail.Īny and all feedback or ideas would be greatly appreciated we're having to hold off on continuing our laptop distribution until we have a fix for this. Repeat the step 2 to uninstall all items under 'Universal Serial Bus controllers'. In Device Manager, double click to expand 'Universal Serial Bus controllers', right click on the Host Controller, click 'Uninstall' and click 'OK'. However, we still have quite a few laptops that still cannot output sound to the boards. Press Windows Key+ R, type devmgmt.msc (without quotation marks) and press 'Enter'. ActivConnect OPS-G and ActivPanel Elements Series v3.1.2.x and below. Download and install ActivConnect OPS-G software. ActivConnect OPS-G and all up-to-date ActivPanel versions. Install ActivConnect-G/OPS-G software 'over the air'. If you have the 5.1.2.7 driver installed, you should simply need to connect the USB cable from. Download and install ActivConnect OPS-M drivers. Check your cables, plugs, jacks, volume, speaker, and headphone connections. ![]() Verify that all Windows Updates are installed. This worked for a couple laptops.įor some of the laptops that still weren't working after the previous fix, installing the latest Realtek Audio Driver from the support website fixed the issue. promethean 300 Pro Series Manual Online: Basic Connections. If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. The first fix we found was disabling Intel(R) Smart Sound Technology (Intel(R) SST) OED under System Devices in Device Manager. However, only using the laptops without a monitor is not ideal for our setup. The only time I've seen it work without any further troubleshooting was connected directly to a promethean board only, no external monitor or docking station. This seems to happen whether the laptop is open or closed, connected via docking station, or directly through HDMI port on laptop. When connected to the promethean board, it does not recognize the board as an audio output. The setup is as follows: Latitude 5420 -> dell docking station -> monitor and Promethean Board. We have tried implementing a few fixes, and they only work some of the time. I am a computer technician for a local public school district, and we're noticing repeated issues with Latitude 5420s on Windows 10 not detecting Promethean boards as a sound output.
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