QQ Group Video connection server failure error code 21 How to do? QQ Group Video error code 21 solution

--QQ Group Video connection server failure reason

1, check the network is not a problem;
2, there is a problem is not a computer poisoning;
3, the camera driver did not install good;
4, may be the QQ version of our upgrade to the latest version of QQ to try.

--Solutions

1, check the network is not a problem, we want to ensure that the Internet or open the Web site faster, otherwise we will see if someone is downloading;
2, the computer poisoned anti-virus bar, or software files broken on the reinstall QQ;
3, uninstall the existing QQ, again Tencent official website download installed the latest version of QQ;
4, the camera driver is not installed so long as we install a Driver wizard can be solved.