4GB Silver Clip keeps disconnecting itself

OK, so I’ve had two 2GB clips for some time, and they work well.

I got a new 4GB silver Clip and I plug it in.

The clip connects for like 5 seconds says “Connected” and then it disconnects.  It repeats the cycle endlessly.  I can’t update firmware, because it won’t stay connected.

I’m pretty sure the USB cord is fine, since I connect the other clips to the same USB cord.  I’ve tried forcing MSC mode, no help.  I’ve installed WMP 11 and nothing.

Try a soft re-set (on switch in uppermost position for 10-15 seconds)?

No, that didn’t work.