How to solve Win7 broadband connection error 651?

In the operation of Win7 system, there are many errors when connecting broadband. One of them is broadband connection error 651, error 651 is the modulation regulator reporting error. Let's take a look at the solution of broadband connection error 651 in Win7. .

1, replace the system files, the system C: \\ Windows \\ raspppoe.sys files in the System32 \\ Drivers directory can replicate a Vista system from a normal dial-up, if you can not find Download it directly.

2, manually set the network card, first find the computer network card in the device manager, and then click "attribute", then find the "advanced" tab, find in the list menu & ldquo; speed and duplex & rdquo;, set to “ 100M full duplex & rdquo;, then you can solve.

3, if you can't do it, please call the service hotline to ask the specific reasons, and will teach you how to solve it.

4, file permissions issues, the system C: \\ Windows \\ System32 \\ LogFiles \\ WMI directory to give administrator privileges, right-click on the WMI folder, then click "ld admin access permissions" If not, just double click.

5, update the driver of the network card, because the Win7 system is relatively new, many old network card drivers are not applicable, so it will cause dialing failure, it is recommended to uninstall the old network card driver first, then use the driver This kind of software installs the latest For Win7 driver, and then restarts the computer. After startup, win7 will automatically install the built-in driver to solve the problem.

The above is the solution to the problem of broadband connection error 651 in Win7. Generally, the problem can be easily solved according to the above method. If it still does not work, you can only call the service hotline to ask the reason.