Windows7 how to use the command to quickly clean up the DNS cache

1. First, let's press the win+R shortcut on the win7 Ultimate computer keyboard to open the running window of the computer. In the open running window, we enter cmd and click Enter, so that we can open win7. The command prompt window for the Ultimate computer.

2. In the open command prompt window, we ipconfig/flushdns and click Enter. This command is to help us clean up the DNS cache file in the win7 Ultimate system. Let's run the command. After that, wait for a while.

After finishing, let's restart our win7 Ultimate system directly.

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