Windows7 bottom right corner wireless network connection appears exclamation point can not be online solution summary

Symptom:

Wireless cannot be connected under Windows 7, and an exclamation point prompt appears on the network connection.

Cause Analysis:

Wireless connection cannot be made under Windows 7, and an exclamation point prompt appears on the network connection.

Solution:

After the network connection has a yellow exclamation mark, open the Network and Control Center and you will see the following prompt:

Check from the following aspects:

1. Check if the wireless network card driver is installed correctly. It is necessary to re-download the installation driver.

Open Computer---Open Control Panel — Hardware and Sound & mdash; - Device Manager Click Network Adapter--

Double-click the wireless network card driver icon to select the driver;

Check the driver version and whether it is an official driver.

If you don't have to click the update driver to update the new driver for the wireless network card.

2. Check if the firewall is enabled, 360 security guards prevent the program from running

Turn on the computer---Open the Control Panel—System
and Security;

Windows Firewall checks firewall status;

Click to open or close Windows Firewall;

Set the firewall in the following figure

3. Check if IE sets proxy server

Open IE— click the — tool to select Internet Options;

Click the Connections tab;

Click LAN Settings to see if a proxy server is set up;

Make the appropriate changes to the actual situation.

4. Confirm the way to connect wirelessly, whether to obtain or fix IP automatically, or to bind MAC.

Click on the network icon in the lower right corner;

Open Network and Sharing Center----Click to change adapter settings;

Double-click the wireless network connection icon — click on Properties — double-click Internet Protocol Version 4;

See if you need Add an IP address or change the IP address here.

If this wireless environment requires a MAC binding, you need to make the following settings in the routing settings:

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Tip: Different routes have different setting paths. Please set them according to the actual situation.