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You have to solve the LAN problem first!
You ping first, see if it is not, if it is passed, it is not a problem with the network card, and then see if the IP setting is correct, pay attention to the subnet mask is not wrong (the subnet of the school is not necessarily, it depends on the number of computers, my previous school is), and then test the LAN network cable, to see if there is a problem with Ha, and finally the LAN hub or switch, and the roommate to change the interface to try ha.
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Turn it off, unplug the network card and install it again, or change the nest.
Check to see if your XP's system firewall is disabled and it's best to turn it off.
Because many ** servers can't get past windosw's firewall.
My Computer" Management service to find windoswfair Double-click Close.
Click on his properties again and select Disable.
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It's better to reinstall the system a little better!
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**Software reinstall it.
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Do you want to drive your network card?,Is the driver gone after restoration?。
Try.
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1.First of all, your laptop can be connected to the Internet card, and there is no problem with your network.
2.The second is that you use a router to access the Internet, so you don't need to manually dial up at all, and only when you don't have a router will you use the cat to manually dial up the Internet. You're right.
So you don't have to dial up. And plug in the network cable and let the network card automatically get the IP address.
3.Then there is the dialing display 678 error, if you contact the telecom business hall when the customer service will tell you that the network line is not good.
4..If you want to surf the Internet, you can find the IP address from your laptop and then type it on your desktop, which is generally fine. You can try. If not, contact me again.
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Reinstall the network card driver, and it's basically good. Of course, the username and password should be correct.
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Re-enter the password of the broadband account.
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Are desktops also wireless? If yes, go and reinstall the driver of the wireless card.
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Generally, it is a problem with the NIC driver, you try to reinstall the NIC driver
Reinstall the NIC driver!
There are 2 reasons why you can't get online:
1. The NIC driver is not installed correctly. >>>More
There is no DNS server set, so there is a situation that the web page cannot be opened in IE. >>>More
Check and change the registration form.
1. The method of entering the registry, open "Run" in the start menu, or you can directly press Win+R to start running. >>>More
The process for handling broadband connection error 678 (remote computer not responding) is as follows: >>>More