win7 system qq group connection video server failed error code 21 solution. Some netizens reported that the qq group connected to the video server under win7 system has error code 21, what should I do? Everyone knows that Tencent QQ is powerful, can video, transfer files, voice and so on. Recently, many people use the QQ group video prompts & rdquo; group video connection server failure & rdquo;, resulting in the emergence of QQ video "group video connection server failure" there are many reasons, the following small series and share specific solutions.
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qq group video connection server failure reason
1, check the network is not a problem;
2, there is still a problem is not computer poisoning;
3, the camera driver is not installed;
4, may be the QQ version of the upgrade to the latest version of the QQ try .
Solution:
1. Check if there is a problem with the network. We must make sure that we can access the Internet or open the website faster, otherwise we will see if someone is downloading it;
2, the computer is poisoned with anti-virus, or the software file is broken, re-install QQ;
3, uninstall the existing QQ, re-install Tencent official website to download and install the latest version of QQ;
4, the camera driver is not installed, we only need to install a driver wizard to solve.
The above method can easily solve the problem that the error code 21 fails when the qq group is connected to the video server under the win7 system, so that it is easy to connect to the video server.
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