Win7 network has been intermittently very card how to do

First, in the case of wired network

1. The wired network is plugged in or plugged in through the network device. At the beginning → run → input: ncpa.cpl Open the network connection.

2. Right click to view the local connection properties.

3, the network card properties (different devices, different menus) ▶ Speed ​​& Duplex ▶ Auto Negotiation settings.

First set it to automatically look at it.

4, you can also try to set up a 10M network to increase network fault tolerance. Speed&Duplex▶Click the drop-down menu arrow on the right and select ▶10Mbps Half Duplex ▶OK.

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6. Turn off the power-saving mode debugging in the power management.

Second, if it is a router problem:

1, first check whether the port is inserted incorrectly, reset the router or even reset the router settings once again.

2, the reset process can not be powered off, waiting for internal success.