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The 2 ways I've found to update the firmware on the USB-5681 both do not work. In the SFP the option is greyed out. I launched the updater directly and it shows no sensor.
I have VI's I made that seem to work, but the sensor always seems to disappear or have problems in MAX that only a system reboot can fix.
Hey Hepcat, can you give some details about your machine setup? Are you using a PXIe controller or a PC? How many USB devices do you have connected? Have you tried using a powered USB hub? What version of driver are you using?
