This article applies to ActivPanel 4.5 and ActivBoard 10 Touch only.
To check which version of ActivPanel you are using, refer to article 1477.
ActivBoard 10 Touch has a product code beginning AB10T. This can be found on the serial number sticker.

If the bezel firmware upgrade crashes or fails, your device will cease to be interactive and will not be detected by the computer. You will see a red cross displayed on your ActivManager icon. 

To resolve this, ensure that you have ActivDriver version 5.14.21 (or higher) installed on your computer. 

Ensure the USB cable is connected to your computer, click the ActivManager icon in your system tray and select Control Panel.

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Select ActivManager's Utilities tab. In the Firmware Recovery section, select your product and enter its size in inches, e.g. 70, and click Launch. If you are unsure about the size of your device, please contact Promethean Technical Customer Support with your hardware serial number

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The device will be placed into recovery mode; ActivManager will download the corresponding firmware upgrade and reinstall it on the device.