Windows 7 Update kills USB DisplayLink

[MisterB]

Originally Posted by Wim

Hi All

For users with issues using 2 monitors at the same time, are the 2 monitors the same make and model? If the monitors appear with the same serial number, it might explain this problem.

Thanks
Wim

How do you check the serial number in device manager. I have 2 identical monitors and 2 identical adapters and can't get them to both work consistently. One always randomly flashes black screen and then eventually goes black