Subscribers of the Rostelecom provider, which provides Internet access services using a connection via ADSL modems, quite often, when trying to connect (dial up), receive a message that an error has occurred on the Rostelecom modem 651. Many immediately start to panic and call the support service. You should not do this, because if the occurrence of a failure is not related specifically to the provider, in most cases you can fix it yourself. The following is a short guide on what to do in different situations.
Why does Rostelecom error 651 occur?
We'll talk about troubleshooting methods a little later, but for now let's look at what could have caused it, because, it would seem, everything worked like clockwork yesterday.
Most specialists among all possible situationsdistinguish the following:
- blocking the connection by system security components and antiviruses;
- incorrect modem settings;
- "gathering" or obsolescence of network card drivers;
- incorrect modem connection and user data entered at login;
- conflicts between multiple network cards (if installed);
- failures in the connection being used;
- viral impact;
- problems from the provider.
Based on the types of situations indicated, it is possible to make a specific decision regarding the elimination of emerging problems.
Rostelecom error 651: what to do first?
In general, it is believed that when such failures occur, all network equipment must be rebooted. This is an axiom. And connection error 651 "Rostelecom" in this case is not an exception to the rule.
It is possible that there was a short-term failure at the software or hardware level. Just restart your modem and computer device. It is advisable not to reset the modem, but disconnect it from the mains for some time.
Antivirus blocking
It is often noted that the error 651 "Rostelecom" when connecting to the Internet may also be due to the fact that the installed standard anti-virus program or even Windows' own firewall simply blocks the connection.
As it is already clear, the way out of this situation for a start will be to disable the antivirus, say, for ten minutessubsequent verification of the possibility of establishing a connection. If the Rostelecom error 651 appears again, completely deactivate the firewall in the system settings, although this is not recommended. But don't be afraid. Nothing wrong with that. In case it turns out that these two components are blocking, leave the firewall disabled and change your anti-virus software.
Setting the correct modem settings
But these were only special cases. Usually this is not the problem. For the most part, the appearance of the Rostelecom Internet error 651 is associated with incorrect options set in the router settings.
In this case, you need to enter the modem's web interface through any Internet browser and check if the settings are correct. To do this, use the WAN or Internet section and check the mode of operation. It must be set to Bridge.
As an additional measure, please contact support to verify your VPI and VCI settings. Make any necessary adjustments and save your settings.
If the router is in router mode, check that the connection type is set to PPP over Ethernet (PPPoE).
Driver problems
In case of repeated occurrence of the Rostelecom error 651, it is necessary to check the status of the network adapter drivers. It is quite possible that they are, as they say, "flew" or outdated.
Firstcall the "Device Manager" (you can use the "Run" menu, in which the line devmgmt.msc is written), then find your network card and update the control software through the RMB menu or properties on the driver tab. If this does not help, completely remove the device from the system, and install the drivers again, using not the Windows database, but the original disk that came with the purchase of the computer device. If there is no such disk, use catalog programs like DriverPack Solution or SlimDrivers.
FTTB and GPOE connection
If the Rostelecom error 651 appears with this type of connection, when the connection to the optical line is via twisted pair, you need to check that the cable is connected to the WAN port of the router, and not LAN. In addition, make sure that the login and password you enter are correct.
Problems installing multiple NICs
Another common reason for the Rostelecom error 651 is the presence of several network cards on the computer device, which can provoke conflicts between the equipment and its control part. The operating system simply cannot choose which device to use as the main one, referring to the drivers of one or the other.
To fix the problem, go back to the "Device Manager" and disable one of the network cards using the corresponding item in the RMB menu. After that, make sure that in the settings of the primaryBIOS and UEFI systems are set to similar settings.
Connection failures
If the above methods did not give the desired effect, use the "Control Panel", enter the network connections section and delete the one that is currently in use.
After that, in the same section, create a similar new connection, specifying the parameters that were used before the failure occurred.
Exposure to viruses
Finally, the most unpleasant thing is that various kinds of viruses penetrate the computer, which are also capable of changing network settings, affecting the operating system or disrupting the same drivers.
To scan your computer, use portable utilities (not a stationary antivirus installed on your system). For these purposes, programs like KVRT or Dr. Web CureIt. The best option is to use applications called Rescue Disk. They compare favorably in that they have their own bootloaders, and when starting from removable media, you can boot from them and scan them even before the main operating system starts.
Problems on the provider's side
Finally, if the problem is related to the provider, for example, with maintenance, contact support and check when the equipment will be restored.
Summary
In principle, the above methods in most cases eliminate the occurrence of the described errorallow almost always. Issues related to equipment breakdown were not considered here, since in such a situation you will have to contact some service center and check the modem's performance. In addition, it is sometimes useful to check incoming connections. It is possible that the cable that enters the router is interrupted somewhere. Sometimes there are situations when the modem "loses" the telephone line signal, but this is rare.
In any case, first of all, pay attention to restarting all equipment, setting the correct options and settings for the connection you are using, and if necessary, update or reinstall the network adapter drivers (you can update automatically with friends who have a connection to Internet using the Driver Booster utility).
