We have a Panasonic Toughbook model CF-19. There is an unknow device with a question mark in device manager under "Unkown Devices" listed only as UGNZA. I cannot find anything about this. Can anyone help me and let me know what this is so I can download the appropriate driver for it?
in the device manager.
You can check on the device detail.
it would list the device ID on that.
Search that Device ID online, and you might find out what that is, and which company made it, and you could
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Before accusing the battery of being bad be sure to test if the Power Adaptor is working properly.
Click Here(http://www.experts-exchange.com/Hardware/Laptops_Notebooks/A_3413-Check-Laptop-Power-Adapter-Voltage.html) .
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