I ve recently had a problem with my computer s internet connection.

Error 691 is a fault message that is commonly encountered by broadband ADSL dial-up Internet users. Broadband ADSL dial-up Internet access uses PPPoE protocol connection, transmits data through ** line, and uses ADSL dedicated modem to realize data modem, prompting error 691 in a real sense may be due to the following reasons: 1:

There was an error with the domain name, (wrong username or password). 2: ** or overdue broadband payments.

3: The server does not respond, (the user port in the data center is wrong, or the account is not activated). 4：

Hardware failure.

Reasons for Error 691.

1.Telecom limits the number of accounts you can use, for example, your account can be used by 4 people, and now 4 people are using it, and you dial error 691

2.You didn't disconnect after using it, at least the server side still didn't disconnect, thinking you were still using it, similar to the situation above, so error 691

Suggestion: Every time you turn off the right button on the broadband connection, don't keep stalking and dialing after the error 691 appears, wait a few minutes and then try, if this situation keeps happening, dial the 10000** number, tell the lady that your computer error 691 can't be on, and then she asks "how much is your broadband number", tell her your account, and then she sometimes asks you who is opening the account, who is you opening the account, and then after a few minutes she will find someone to help you get it.

I support that the 691 error above is an incorrect password or wrong account, and you can't use it when you use it more than one person or someone else's use.

You can call the artificial station and ask, and it will be solved for you soon. If you are like Netcom's line, you can call 10010 to transfer to manual.

Dialing in with a router will avoid such problems.

** or due to overdue broadband payments.

Check if the network device in Device Manager starts abnormally --> Console --> Device Manager and view"Network adapter"Whether there is an exclamation mark or notThe green box in the figure below is a normal network card, and the exclamation mark in the red box is an abnormal network card.

Turn on the Network and Sharing Center for troubleshooting.

If there is no exclamation mark in the device manager, the network card should be normal, and the problem may be caused by system settings or other network devices.

Start - > Control Panel - > Network and Sharing Center, enter the Network and Sharing Center, and you can see the basic network information.

If an exclamation point or X appears, you can click to perform the built-in network troubleshooter in Windows.

Reset the network settings to default.

Start - > search process and file input"cmd"Press Enter and click cmd to execute.

Type netsh winsock reset and press enter<>

You need to restart your computer.

First of all, check whether the connection port between the computer and the router or switch is loose, or try to change the socket to see if it can be connected. If it is confirmed that the network cable is damaged, you need to consider the crystal head, and try to replace the crystal head if the contact is poor. If you want to know if it is a route problem, you can observe the router at home, generally the fast flashing is no problem with the line, if it does not light up and slow flashing is the line problem.

Check whether other devices can access the Internet normally, and then restart the router and computer, if you can't solve the problem by yourself, it is recommended to contact the after-sales customer service of the computer brand.

This one is very simple, ask a computer repair engineer to check it.

Just reconnect.

Hello, dear, very happy to answer for you! Here's the answer, check it out! The computer shows that the network connection is abnormal, and the solution is as follows:

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 network card driver is not or is not suitable, 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. win7810 restore the system, right-click on the computer to select attributes, select system protection on the right side, if there is a restore software, you can also use the software to restore the system. Your questions have been answered!