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联想Thinkpad E531是一款预装Windows8 64位系统的笔记本电脑,对于习惯笔记本win7系统的用户来说,win8系统真的是很难用,但是预装win8的笔记本开启了Secure Boot不能直接重装win7系统,也不能使用U盘安装,就教大家Thinkpad E531和S3系列笔记本win8系统改装win7系统的方法。
一、安装准备
1、备份硬盘所有重要数据
2、4G U盘一个,制作U盘PE启动盘
3、win7镜像:联想Lenovo笔记本专用GHOST WIN7 64位安全稳定版
4、安装方法:U盘安装win7系统教程
二、Thinkpad E531/S3 win8改win7步骤
1、按下电源键开机,启动时按下F1或Fn+F1进入BIOS界面;
2、按→方向键移动到Security,按↓方向键选择Secure Boot,回车;
![Thinkpad E531/S3 win8改win7步骤1](https://img.xitongcheng.com/upload/image/20160415/20160415140810_60167.jpg)
![Thinkpad E531/S3 win8改win7步骤2](https://img.xitongcheng.com/upload/image/20160415/20160415140819_48741.jpg)
![Thinkpad E531/S3 win8改win7步骤3](https://img.xitongcheng.com/upload/image/20160415/20160415140828_32800.jpg)
![Thinkpad E531/S3 win8改win7步骤4](https://img.xitongcheng.com/upload/image/20160415/20160415140840_52917.jpg)
![Thinkpad E531/S3 win8改win7步骤5](https://img.xitongcheng.com/upload/image/20160415/20160415140852_39846.jpg)
![Thinkpad E531/S3 win8改win7步骤6](https://img.xitongcheng.com/upload/image/20160415/20160415140902_72752.jpg)
![Thinkpad E531/S3 win8改win7步骤7](https://img.xitongcheng.com/upload/image/20160415/20160415140913_61237.jpg)
![Thinkpad E531/S3 win8改win7步骤8](https://img.xitongcheng.com/upload/image/20160415/20160415140923_88619.jpg)
![Thinkpad E531/S3 win8改win7步骤9](https://img.xitongcheng.com/upload/image/20160415/20160415140935_22113.jpg)
Thinkpad E531默认是UEFI+GPT模式,需要改成Legacy+MBR才能安装win7系统,如果你也需要把win8改成win7系统就根据上述方法来操作吧。