USB to serial Adapter not working after upgrade to El Capitan
Solution 1:
Prolific has a new driver out that works with El Cap: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41
Prolific has a new driver out that works with El Cap: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41