EMERGENCY AH, REINSTALLED THE WINXP SP2 SYSTEM, AND CAN T GO ONLINE FOR A WEEK

It may be a problem with your operating system, it may be that you lost files when installing the system, try to repair the system with the system disk first, if it still doesn't work, simply install the system again.

Have you pinged, see if it's connected to the network If it's connected, that is, it's through It's disabled first, and then change the IP address, the last number is between 1-255, and then enable it to see if you can use pulling, run cmd to check the MAC address of the network card You can also run the ping command here Generally, as long as it's connected, you can go online Restart it, this reason is not single!It depends on how experienced you are!

It may be that your XP system disk has a virus, or a pirated disk that is not very authentic, it is recommended that you buy a better one and try it again.

It could be a workgroup or a domain issue!

1. If you want to go online, you should make sure that the following items are correct, and there is no specific relationship with whether to reinstall the system:

1. The driver of the network card is installed correctly (XP comes with most of the drivers of the network card), and the principle of judgment is to >right-click on my computer" Management -> Device Manager, I can see that the network card is working normally, and I can see the local connection in the network connection.

2. Ensure that the network cable is properly connected to the network equipment, such as the network cable is connected to the switch or ADSL router, test method, test with the network cable tester, visually check the status of the network card and the switching equipment, the green lights on both sides are on, and flash regularly. Or ping the gateway after completing step 3.

3. The network parameters are correctly configured: IP address, subnet mask, gateway, DNS can not be configured incorrectly, otherwise the network will not be connected. Check whether it is correct, ping the gateway address, if it can be pinged, in.

Ping the external network address, for example, if you can ping through, congratulations, the network must be connected.

4. Make sure the browser is correct, such as IE, Firefox, and use 360Safe to remove some unsafe factors, such as Trojans, scripts, etc.

5. Make sure that your machine is safe, no virus, some viruses are fatal to the Internet, such as ARP virus, not only can not access the network, but also affect the computer of the same subnet can not access the Internet. Be sure to turn on XP fireproof, install antivirus software and update the virus database in time, install operating system patches in time, it is recommended to bomb 360safe, very good.

It's still a problem with the network card. You can right-click on my computer - Device Manager to see if the driver of the network card is installed correctly. Whether it is recognized.

Put the disc in.

Then install it.

Because the guest user permission of this machine is not opened, even if you turn on sharing, other machines still can't access you, and you can do it after you open it.

Hello dear, don't be nervous when you can't connect to wifi, get it step by step!

Nowadays, mobile phones, tablets and other electronic products support the WiFi function, but they often cannot be connected to the WiFi

1.Router issues.

The easiest solution is to plug the router power connector and let the router restart, which can solve the problem by 70%.

Because the router is turned on 24 hours a day, it is time to take a good rest.

2.Multiple devices are connected at the same time.

Nowadays, many electronic products in the home or work are connected to the router at the same time, exceeding the router connection limit (there are up to 5 units), which causes even if the router is connected, there is an IP conflict and cannot access the Internet, or it is impossible to connect to WiFi. Or all wifi out of a xx

4.The wireless network card is faulty.

Some mobile phone wireless network cards have been eliminated or seriously aged, which will cause poor wifi signal reception. There will also be cases where you can't connect to the wifi.

5.First of all, I want to determine the wifi**, I am a home wireless router with one type and two laptops.

Open Start-Connect-Wi-Fi on your laptop, click "Support" in the Wi-Fi status interface to find your IP address, etc.

6.Settings-Wireless and Network-WiFi Settings-Left Button of the Next Three Pieces (I don't know what to name)-Advanced can see the IP settings, just refer to the input of the notebook according to the prompts, note: The last set of numbers of the IP address cannot be the same as that of the desktop and the notebook.

In this way, the problem is solved.

Hope to help you, satisfied!