联想win10想换回win7,做u盘启动,但是按F12看不到u盘
推荐回答(3个)
win10采用UEFI+GPT(GUID)快速启动。你安装的是GHOST版本系统,不能用UEFI快速启动。win7和其它GHOST版本win10采用传统的Legacy+MBR启动。
win10改装win7或者其它GHOST版本win10系统
一,更改BIOS设置
在BIOS中关闭Secure Boot安全启动。开启Legacy兼容启动方式,不同品牌主板设置方法不同
二,更改硬盘分区类型
用PE在分区工具disk genius中更改硬盘分区表GPT为MBR。
三,具体百度联想笔记本预装win10改装win7,有图文教程。按照教程进行设置,然后再安装操作系统
是因为u盘上的win7没有对usb 3.0的驱动. 所以一旦进入win7安装程序, 就读不了usb了.
可以先到intel官网, 下载 usb 3.0 的驱动. 要针对window 7的. 一般就搜索 usb 3.0 可扩展驱动器就好了. 下载后, 解压缩, 放到C盘里.
然后在用usb启动, 进入windows安装程序. 然后说找不到驱动程序时, 点浏览, 然后进入c盘, 找到刚才放驱动器的文件价, 点确定, 然后一路下一步就好了.
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