![]() ![]() Hopefully this will restore your HID touchscreen. Click on the control panel and look at the very bottom of screen for the latest update. boards will only support Windows 10 AUDIO and. Plug in the USB cord to the promethean and restart. How To Prevent BSOD Crashes on AB78 & AB378 Promethean Boards. When you get to browse my computer, you'll have the option to "let me choose" and then you select "usb input device" instead of "touchscreen controller." Continue to click 'Next' until installation starts. I have update the promethean drivers ( v 2.7.23.1)and active inspire software to the latest. ![]() The only way to get the audio working again is to pull out the boards USB connection and plug it back in. Right click on the listing and select Update driver. Our new promethean 300 boards keep loosing their usb audio connection each time the laptops they are connected to shutdown or restart. This should find and install the driver software for your TouchscreenĬheck Mice and Other Pointing Devices in Device Manager and see if there is a listing for a USB touchscreen controller. If there is a yellow exclamation mark next to the entry, right click on it and select the Update Driver Software and follow the prompt Search Automatically for Updated Driver Software. Note: USB audio is not provided by DisplayLink. (the picture above is just to show where it is, if it is disabled, enable will show as an option not disable as is shown in the example) Follow this article if the audio is still heard through the laptop after connecting it to a DisplayLink device. If there is a red cross next to the entry, right click on it and select the enable option. On Sale Promethean AB10T78D Interactive Whiteboards We take purchase orders and can provide special school. If for some reason your speakers arent working, and youve already checked the volume, set the audio to default to the USB by doing the following: o Right. Scroll down to HID - Compliant Touch Screen. Scroll down to Human Interface Devices (HID) and expand tree by clicking on arrow head to the left of HID. This method works because the problem only occurs if the device-specific driver replaces the default. Windows now selects the device-specific driver instead of the default USB audio 2.0 driver. ![]() (click on image to enlarge for better viewing) If the device isn't yet connected, install the device-specific driver first by using the installer for the device. ![]()
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