In the process of using the Hong Kong cloud server, it is inevitable to encounter some failures. When you try to use the remote desktop to connect to the Hong Kong cloud server, there may be a black screen for the following reasons:

1. Network connection problem:

First of all, please make sure that your network connection is stable, and you can access the Hong Kong cloud server through the Internet. If you have an unstable network connection, it may cause the remote desktop connection to drop or not connect properly to the server.

2. Firewall problem:

If a firewall is installed on your Hong Kong cloud server, it may block remote desktop connections. You need to open a port in the firewall that allows remote desktop connections (port 3389 by default).

3. Screen resolution setting problem:

During remote desktop connection, if the screen resolution of your local computer is not compatible with the screen resolution of the remote server, a black screen may appear. You can try adjusting the resolution of the local computer before connecting or the remote server while connecting.

4. Graphics card driver problem:

If the graphics card driver on your remote server is not compatible with Remote Desktop Connection, it may cause a black screen. Please make sure you have the latest graphics driver installed on your server and try restarting the server.

5. Other questions:

If none of the above methods can solve the problem, it may be caused by other unknown problems. You can try to use other remote desktop tools to connect to the server, or contact your service provider for technical support.

In short, when you try to remotely connect to the Hong Kong cloud server, there may be a variety of reasons for the black screen. You need to go through one by one and try to solve the problem. If you cannot solve the problem, please contact your service provider for technical support.