上不了网

问题描述：

连接没问题,有发有收,系统重装了..

还是用不了..

问题解答：

试一下网络通不通
运行——cmd——ping baidu.com
如果行将显示
Pinging baidu.com [202.108.22.46] with 32 bytes of data:

Reply from 202.108.22.46: bytes=32 time=57ms TTL=53
Reply from 202.108.22.46: bytes=32 time=55ms TTL=53
Reply from 202.108.22.46: bytes=32 time=55ms TTL=53
Reply from 202.108.22.46: bytes=32 time=53ms TTL=53

Ping statistics for 202.108.22.46:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 53ms, Maximum = 57ms, Average = 55ms

具体点啊!是什么接入..........