I think it should flash every time you reboot.
You may have a loose connection.
Check device manager to see if it is appearing to Windows and then disappearing. If so, this may be your problem.
Another possible problem is that you don't have the proper device drivers installed for the...
I have a 4 year university degree in computer science + 20 years experience.
Yet, no IT job.
I don't think there is any course or certificate that will make a significant difference - if there was one, then I'd go take the course.
Another educated blue collar worker,
Howard