1. Use the combination shortcut key win key + r key to open the run window, enter “ cmd & rdquo; Click OK to open the command window. As shown below
2. In the command window that opens, type "ld www.baidu.com" and press Enter to confirm. As shown below
3. After detecting the network speed, click enter “ipconfig /flushdns” Enter to confirm the refresh of the DNS cache. As shown below
4. Enter <quo;nets hint rese" Enter to confirm reset TCP/IP protocol port. As shown below
1. Directly shut down the firewall, this is not a good method. 2. Modify the ICMP Echo rules. Acti
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