Host packet loss in PING LAN is serious.

1, router failure, the first is that the router is faking its death. In this case, you can just restart the route directly, and the second is that the router port is damaged. You can try another port!

2, roommate reasons, if someone in your local area network uses the so-called network speed control software, it will lead to ARP attacks on your computer, making you abnormal when surfing the Internet. At this time, you can download a golden shell ARP firewall and install it, and the general network will automatically return to normal.

3. Virus. Because some computers in the LAN are poisoned, contracting out your computer will cause network congestion, and you can PING yourself, but other computers will be seriously lost! In this case, you must install professional antivirus software to protect it. At present, professional antivirus products include Kingsoft Internet Security, BD, Red Umbrella or NOD32, Kaba and so on! 3 60 and so on, it is recommended not to use it, it is not professional enough, and the localization of virus database is very poor!