推荐回答(4个)
联想预装win10安装win7系统步骤如下:
1、把U盘插入电脑,打开小白一键安装,点击【U盘启动】,然后点击【U盘模式】,进入界面后,在【设备名】勾选需要制作启动的U盘,点击【一键制作启动U盘】。

2、在右下角找到【PE版本】,这里面提供了初级版与高级版PE,请下载【高级版】.

3、选择完点击【一键制作启动U盘】按钮会弹出【格式化】窗口,以下会有2种选项选择【格式化U盘且不丢失数据】与【格式化U盘且丢失数据】,选择【格式化U盘且不丢失数据】,点击确定。

4、接着是【系统选择】,勾选你需要的系统,然后点击右下角“下载系统目录制作U盘”。

5、当下载完系统之后将会自动制作U盘启动以及将下载系统和备份的资料导入到U盘里面。

6、现在弹出提示U盘已经制作完成了,点击确定。

7、重启电脑开机时不停按U盘启动快捷键,之后进入小白一键U盘装系统界面,直接回车。

8、接着打开桌面的分区大师,如下图,点击硬盘转换分区表类型为MBR格式,操作完成后保存退出。

9、打开桌面的小白PE装机工具,如下图选择需要安装的系统以及目标分区(目标分区是指系统需要安装的分区),目标分区一般按默认的就可以了。之后点击右下角安装系统即可进入win7系统安装过程,这个过程完成后重启电脑即可,后面第一次开机自动部署系统,耐心等待进入桌面后win10改win7系统就完成了。

首先,联想win10改装win7需要对整个硬盘格式化,删除所有分区,建议提前备份数据,并且一键恢复功能无法再使用。分两种情况:
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分体台式机/一体机。首先开机连续敲击F1键,进入BIOS。exit选项-OS开头选项改为disable;按F9选择YES;startup选项-boot mode改为legacy only;F10保存退出,开机时连续敲击F12选择光盘/U盘引导安装。


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笔记本电脑。开机按住FN连续敲击F2键(不同型号笔记本进入BIOS方法不一样,具体以机器为准)进入BIOS,exit选项-os开头改为other os/disabled;FN+F9或者直接F9;boot选项下第一第二选项均改为legacy;FN+F10/F10保存退出,开机连续敲击FN+F12/F12选择光盘U盘引导安装系统。

和常规系统安装不同的地方
进入Windows7系统分区画面后,您需要分别点击每一个分区,然后点击删除。
将全部分区都删除后,单击“新建”,重新创建新的分区。(受MBR硬盘的限制,您在系统安装界面对多只能分出4个主分区,如果您需要更多的分区,请系统安装完成后在系统中划分分区)
分区创建完成后,先将分区全部格式化,格式化完成后,
选择好您要安装系统的分区,点击“下一步“进行系统安装即可。
用win7系统光盘,或者U盘重新安装。 如果你没有删除Windows.old文件,就可以通过微软官方的工具滚回Win7/Win8,具体步骤为:打开开始菜单-选择设置-更新与恢复-恢复-高级启动-疑难解答-回到以前的版本。
1、不建议安装Windows 7操作系统,联想售后对于近年预装Windows 10系统的电脑安装或者使用Windows 7系统中发生的软硬件兼容性问题,可能不提供技术支持;
2、Windows 10和Windows 7对硬件的要求不同,联想笔记本Win10版是完全针对Windows 10的硬件要求而设计的,如果安装Windows 7,可能会出现不稳定的情况;
3、如果将系统重装成了Windows 7,当然,大概率是可以安装上的,但是接下来一段时间可能会出现各种问题,比如指纹识别等功能用不了、系统报错、软件报错等;
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