win10怎么修复hosts文件。hosts文件是一个没有扩展名的系统文件，它的主要作用是能加快域名解析，还可以屏蔽网站等。Hosts文件主要作用是定义IP地址和主机名的映射关系，是一个映射IP地址和主机名的规定。可以用文本文件打开。那么当hosts文件损坏怎么办呢，要怎么修复hosts文件。接下来小编就把解决办法带给大家。

解决办法：

1： 将hosts文件复制到桌面，用记事本打开。

2：删除记事本的全部内容，将以下内容复制后放入文件然后保存：

# Copyright (c) 1993-2009 Microsoft Corp.## This is a sample HOSTS file used by Microsoft TCP/IP for Windows.## This file contains the mappings of IP addresses to host names. Each# entry should be kept on an individual line. The IP address should# be placed in the first column followed by the corresponding host name.# The IP address and the host name should be separated by at least one# space.## Additionally, comments (such as these) may be inserted on individual# lines or following the machine name denoted by a '#' symbol.## For example:## 102.54.94.97 rhino.acme.com # source server# 38.25.63.10 x.acme.com # x client host

# localhost name resolution is handled within DNS itself.# 127.0.0.1 localhost# ::1 localhost

将修复后的hosts文件放入c:\windows\system32\drivers\etc替换以前的hosts文件，修复成功。

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