CS: GO server errors can be due to Windows Defender Firewall blocking the game connecting with the server. Click the Turn Windows Defender Firewall on or off link. Select the Turn off Windows Defender Firewall options, and click the OK button.
Cant connect to Steam Network CS: GO?
Restart Your Steam Connection. If you receive the network connection error, you may need to restart Steam. To do this, select Steam > Go Online > Connect to the Internet > Restart Steam. When you receive the Cant connect to Steam error, you have the option to Retry Connection or Start in Offline Mode.
How do you connect to Steam?
Turn on your home PC, launch Steam, and log in. Power your Steam Link with the power adapter, plug in to a display device (HDMI), and connect to your home network. Plug a controller, mouse, or keyboard into one of the USB ports on your Link.