Anyone know a USB Wireless Adapter that will work with El Capitan? I'm running a Macbook Pro built in late 2011. So it doesn't have a USB 3.0 port, only USB 2.0. Also, the built in wireless isn't working, hence my desire to try an external adapter. I tried an ASUS N13 adaptor, which has drivers that go up to 10.7, but I wasn't able to get it working for El Capitan. Any advice?