The computer dialed 651 but I can t solve it, ask for advice

Hit **to your NMS**.

The occurrence of 651 in computer dialing is generally caused by line failure, cat pants or network card problems.

1. Check whether the line and cat are good.

Check the status of the broadband cat: adsl cd dsl link If these lights are always on, it means that the outer line is normal, if it flashes or does not light up, restart the cat, and it still cannot be restored after 20 seconds, contact the network company to repair the external line and replace the cat.

2. Uninstall and reinstall the NIC driver.

Computer-Network-"Network & Sharing Center-Dual-Trapped-Simple-Local Connection-Properties-Configuration-Driver-Uninstall-OK. Reinstall the NIC driver:

1) U disk on another computer, from the driver home, Zhongguancun**, Huajun and other **** driver software, ** driver software should pay attention to: one is suitable for your network card to use the driver, the second is suitable for your current system to use, the third is to see the time when the driver software is announced, the latest may not be suitable for use, can be more**several, pick to make.

If it can't be installed automatically, decompress it and set it by, and make a note of the specific path of the software in the disk, such as d: Right-click "My Computer" -- Properties "--Hardware" -- Device Manager, "Network Adapter" right-click on the network card, select "Update Driver", open the "Hardware Update Wizard", remove the check box before "Search for removable **", check "Install from a list or a specified location" -- Next", check "Include this location in the search", Fill in the path d: ....Next", the system will automatically search for and install the NIC driver in the location you specified.

3. Set the NIC transfer rate.

Computer - Network - Network & Sharing Center - Double-click Local Connections - Properties - Configuration - Advanced - Select "Link Speed Duplex Mode" in the "Properties" bar, change "Auto Mode" to "100Mbps Full Duplex" in the "Value" bar - OK.

4. Set the local connection attribute and set a fixed number of address for the IP.

Computer - Network - "Network and Sharing Center" - Double click Local Connection - Properties - Set Network - Tick "IT Protocol Version 4" - Properties - Set IP Address and DNS Server Address - OK.

5. Rebuild broadband connection.

1) Click "Network" in the navigation pane in the computer window - click "Network Sharing Center" in the toolbar to open the "View Basic Network Information and Set Connection window".

2) "Change Network Settings" and select "Set up a new connection or network" to open the "Set Connection or Network" window.

3) In "Choose a connection option", select "Connect to IT, set up wireless, broadband or dial-up connection to IT" - next "Step".

4) "How do you want to connect", select "Broadband PPPoe", and enter the "Type in the information provided by your IT Service Provider (ISO)" window.

Username: Password:

Connection Name: Allow others to use this connection:

After setting, hit "Connect".

5) Show connecting to, connection successful, closed.