Wireless network can be connected, but not on the network of comprehensive analysis

Source: Internet
Author: User

Wireless Internet is the most disturbing is the network limited situation, the wireless network may connect, the signal is also very good, is not on the net. The signal on the wireless network has a yellow exclamation mark on it, but it's not on the net. In fact, this problem for the wireless network is still very common, the cause of this problem are many, the following on the author of the maintenance of the computer common in several cases to troubleshoot the wireless network can be connected, but not on the network.

1, check the password is wrong

Enter the wireless connection password, if the password is longer may be wrong password, so we recommend that you enter a password again. If possible, enter the password directly using the copy-paste method. When copying and pasting, be careful not to select irrelevant characters yo, add one or two spaces is the most common error.

2, the wireless router binding MAC address

In order to prevent others from rubbing the net, many home users have set up wireless MAC address filtering, but when the computer or wireless network card replacement, it will not be on the network, so you need to add a new MAC address in the router settings.

3, check the service setup problem

Checking the computer-side service settings, such as DHCP Client, Wirelesszero Configuration service does not start, can cause the wireless network to use abnormally. Where DHCP is not turned on, computers that use automatic IP allocation cannot automatically configure IP addresses.

4, check the assigned IP address manually

Wireless networks use manually assigned IP addresses and DNS addresses, which are required to be set in the wireless connection properties under Windows. Windows and Linux are not the same, you can not set different IP addresses for different wireless networks, so when switching between multiple wireless networks, it is easier to use a manually assigned IP.

5, the wireless card driver is not correct

Most of this happens when you first use a wireless card, and if you use Windows 7, you will normally automatically download and install the correct NIC driver. However, in extreme cases, the download driver may not be suitable for NIC use, so it is possible to download the driver from the manufacturer's homepage.

6, check the WPA patch is installed

Under Windows XP, you need to install patches to support WPA2-PSK encryption, so if your router uses this encryption and you haven't upgraded to XP SP3, install KB893357 patches.

Wireless network can connect, but not on the network of the fault check on the above steps, but may be a lot of other reasons, network adapter driver incompatibility may lead to network connectivity, but not on the network.

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