How to do 502 Bad Gateway on Win7 webpage

The reason for the 502 Bad Gateway:

1. Generally, when we open the webpage, 502 Bad Gateway appears, indicating that the server does not respond, that is, our WEB server has not received valid information.

Step one, close the proxy

1, first of all, our browser uses the proxy, we open the desktop browser to find the tool in the upper right corner to open, find the proxy server option in the drop-down menu .

2, then in the pop-up proxy server option, select the option to not use the proxy in front of the tick, and then restart the browser.

Step 2, close unnecessary programs

1. This situation may be caused by some program interception, we right click on the blank area of ​​the task bar below the computer.

2, then find the task manager in the drop-down menu, click to enter the task manager interface.

3, then find the application options in the task manager, put some unnecessary programs to end the process, and then restart the browser to open the URL.

Step 3, DNS modification

1. Right click on the network icon on the desktop of the computer and select Properties, then open the network adapter in the properties interface.

2, then find the right-click property of the network we use, select the Internet protocol, select the manual DNS setting in the IP address setting field, enter some public DNS that can be used to open the browser again.