1, check the connection password is correct
In the input of wireless Internet password, may be because the password is too long to cause input errors, so that the connection is not, this is more common, especially when some passwords contain some special symbols. So let's try the password a few more times.
2, the wireless router set up a MAC address
Now a lot of friends pay more and more attention to safety awareness, so in order to prevent others from rubbing the net or computer security, set up a MAC address, in the future when the number of the Internet will be replaced when the network is not a thing, at this time we need to reset the Mac can.
3, check the computer service Setup problem
Because the computer does not start properly, causing network services, such as setup programs do not start the normal network will not be able to connect, this time we need to restart the computer to resolve the connection problem.
4, the use of manually set IP
When using a wireless router to surf the internet, using the set up manual IP often leads to a network anomaly, which is where we should switch to automatically get IP settings.
5, the wireless card driver is not correct
The general computer appears this kind of problem is because just installed the system or is the driver to update the cause, this time only needs us to look for the drive Wizard and so on the Internet to be able to the computer drive to repair.
6, check the WPA patch is correct
Under Win XP, you need to install this patch to see the wireless router settings password features, if the router has a password, and your computer does not upgrade to the XP SP3 system, then need to install KB893357 patch.