电脑hosts文件如何修复?

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

3、将修改后的hosts文件放入c:\windows\system32\drivers\etc替换以前的hosts文件，修复成功!

hosts文件丢失或更改后如何还原?

1、在任务栏的搜索框输入

鼠标右键点击“命令提示符”，选择“以管理员身份运行”。

2、将出现“用户账户控制”界面，点击“是”。

3、在“管理员：命令提示符”中输入：

4、需要等待一会，将出现一些提示。然后按下回车键(键盘上的Enter按键)。

(若是hosts文件丢失将会创建，否则将覆盖)

然后输入：a

然后按下回车键(键盘上的Enter按键)。

5、完成后将打开hosts文件，将其关闭即可。