升级完系统(OS X EI Capitan, 10.11.3 ),USB网卡不能工作。解决方法:
查找硬件信息:
About This Mac -> Overview -> System Report -> Hardware -> USB -> USB 10/100 LAN
USB 10/100 LAN: Product ID: 0x8152 Vendor ID: 0x0bda (Realtek Semiconductor Corp.) Version: 20.00 Serial Number: A0CEC804E87E Speed: Up to 480 Mb/sec Manufacturer: Realtek Location ID: 0x14100000 / 2 Current Available (mA): 1000 Current Required (mA): 100 Extra Operating Current (mA): 0
直接去realtek官方网站下载驱动:
http://www.realtek.com.tw/downloads/searchView.aspx?keyword=RTL8152
RTL8152B(N) (Software) –> Other OS –> MAC OS 10.6 to 10.11
安装后重启,kextstat |grep RTL 就可以看到自动加载的驱动,usb网卡就可以被识别、工作了。
手动加载卸载驱动命令如下:
- kextload / kextunload -b com.realtek.driver.AppleRTL815XComposite
- kextload/ kextunload -b com.realtek.driver.AppleRTL815XEthernet