The computer is not connected to the Internet, and the computer is not connected to the local area n

1.Check whether the broadband account password is correct: Now most families are using broadband as a way to access the Internet, and the use of broadband requires an account name and password, we need to check whether they are correct, if you forget your broadband account and password, you can call customer service**, let them know you.

2.Check whether the wireless password is correct: many people use wireless Internet access when using laptops, in order to prevent rubbing the network will increase the password when turning on the wireless device, at this time we need a wireless password when we use wireless networking, check to see if the wireless password you entered is wrong and cannot link to the network.

3.Check the modemator: said that the modem moderator may not know what many people will not know, so let's make an easy-to-understand, it is also called a cat, it is a necessary conversion tool for us to connect to the network, once it fails, we will have problems on the Internet, so we need to check whether the modem is damaged, if it is damaged, you can find someone to repair or replace it.

4.Check the wireless router: many people like to use wireless ways to surf the Internet with a laptop, and the wireless router is a must, one more device, there is one more situation, we should see if the wireless router is damaged, if not, whether it is a mistake when setting up the wireless router, which causes the Internet to not be able to access the Internet.

5.Check whether the network cable is damaged: we need a network cable to link the network, which is generally a first-class line link, a long time or frequent wear and tear will cause line failure, at this time we can check whether there is aging or falling off the line, if there is a new network cable can be replaced.

6.Check the network card driver: the old network card driver may also cause this situation, we can click on the network card driver to update, so that it is kept in the latest state, different models of notebooks can go to their respective official websites**.

7.Check whether the network card is damaged: the network card is a necessary hardware device for surfing the Internet, without the network card we can not link the network, now some notebooks like to use the wireless network card to access the Internet, but these devices are very easy to damage, so the use of wireless network card to access the Internet friends can detect whether it is caused by the damage of the wireless network card can not go online.

8.Hit ** to find customer service: we encounter problems in the process of use, the first thing that comes to mind should be customer service, even if you don't have access to the Internet, of course, you have to consult broadband customer service, we can explain the details to them, but how long will there be maintenance personnel to deal with, this is the most trouble-free method.

1.Open a guest account.

2.Allow the guest user to access the unit.

Open Group Policyr, select Computer Configuration Windows Settings Security Settings Local Policy User Rights Assignment, and delete Guest in the Deny access to this computer from the network policy.

3.To change the network access mode, open Group Policyr, select Computer Configuration Windows Settings Security Settings Local Policies Security Options, double-click the Network Access: Local Shared and Security Mode policy, and set up.

Guest Only - Local User Guest Authentication changed to Classic: Local users authenticate with themselves.

4.Remove the air password restriction: Disable the "Account: Local accounts with blank passwords are only allowed to log in to the console" policy in the Security Options.

5.Network neighbors can't see the computer: Open the "Control Panel Performance and Maintenance Management Tools Service" and start the "computer" inside

browser' service.

6.Add the option of sharing file permissions: Open "My Computer Tools Folder Properties View Advanced Settings" in order, and then turn it on.

Simple File Sharing (Recommended)" before selecting Cancel, if there is also "mickey."

mouse" item to cancel it as well.

7.If the neighbor does not respond or responds slowly, turn off WinXP's scheduled task service

scheduler)

Go to the Control Panel Administrative Tools Service and open the Task

scheduler", stop the service, and then set the startup type to Manual.

Turn off the network folders and printers that are automatically searched, go to the "Network Neighbors Files folder options", click View the last item, and turn off the network folders and printers that are automatically searched.

If you do all the above and it is useless, there is no way, you try to compare it step by step. It should work.

What should I do if my computer can't connect to the Wi-Fi?

If you are using a router, disconnect the router for stand-alone dial-up test first;

If you have a modem device, you need to pay attention to whether the device is overheating, you can turn it off for a few minutes and then restart it.

If the connection drops when running the program alone (compared to if it drops while playing a game), it is recommended to restart the computer to try or reinstall the program;

If the entire network is disconnected, check whether the access cable and the network cable are loose or in poor contact, and try to reseat the line.

Check and filter out the disconnection caused by computer viruses and scan the whole disk.

Check whether the settings of the router and the external network are correct. Both the gateway and DNS address settings are checked normally.

If it is a broadband problem, please call the broadband customer service ** and ask them to check for you. If Liang Liangguo is a router problem, please call the brand router customer service for **consultation, they have ** guidance banquet belt.

1) If it is a problem with the broadband itself, first directly connect the broadband network cable to test, if it is a broadband problem, contact the broadband customer service to solve it.

2) If it's a problem with the router, if it can be used originally, it can't be used for the time being, my own practice is to disconnect the power of the router and plug it in, and I'll take a look. In there is a factory reset, from the new strict according to the manual settings can be used, I don't understand, it is not recommended to set it at will (this is under the premise of the correct physical connection, sometimes the router is slow or failed to find the IP address, not that the router is broken).

If it can't be solved all the time, it is recommended to call the customer service of the router, they have **** guidance, I encounter a problem that I can't solve by myself, it is very useful to consult the advice they gave, and they will give the correct advice for your settings or operations.

3) If you turn off the wireless switch, turn it on, if it is a wireless connection with software, it is normal for the software to be difficult to use and often have problems, there is no better way, use a router. In addition, it is caused by the lack of or inappropriate network card driver, and whether there is a problem with the network cable interface or network cable.

4) If it is caused by a system problem, it is recommended to restore the system or reinstall it.

If you are not installing the system when you bought a computer, it is recommended to install the system that was pre-installed when you bought a computer.

You can set it as follows:

1 On the computer you want to access, find the computer on the desktop, right-click on "Administration", find "Local Users and Groups", and double-click"Users", open the guest user, remove the check mark in front of "account has been deactivated", and set the guest user password to empty.

2 On the computer you want to access, turn off Windows Firewall. And make sure that the local computer and the computer to be accessed are in a workgroup, and the IP can ping each other.

3 On the computer you want to access, click Start, Run, Enter, enter in the lower left corner, enter the local policy, find the user rights assignment, and delete all users in "Deny access to this computer from the network".

4 On the computer you want to access, or the local policy, find the security options, change "Shared and secure mode for local accounts" to "Guest only", and change "Account: Local accounts with blank passwords are only allowed to log in to the console" to "Disabled".

5 Find the computer name of PC2015 on the network on the local computer, and double-click to directly enter the sharing interface.

If you don't understand something, please consult me again!

The company's computer has a LAN to watch the monitoring, and the computer network connection can't be called.

2. Water has entered the keyboard or there is residual water in it. You can first wipe off the surface or part of the water with an absorbent paper towel, then shake the keyboard, and finally put it in a place under the sun and wait for it to dry naturally, or you can use a blow dryer to dry.

3. The interface of the keyboard is broken, probably because the temperature of the computer is too high due to long-term use, and the computer keyboard interface is burned out.

Have a great day!