Win7 dual system installation

1. Install win7 using win7 focused on win7, Universal driver Assistant, excellent Boot, floppy access installation

two。 Install centos

A download the image from the official website and burn it to a USB drive with a floppy disk

B Boot from USB disk will prompt rescue; cd / dev ls can see words such as sda4 sdb1; pull out USB disk and type ls again to find that sda4 is missing; press e to hd:LABEL... in the boot interface Change to hd:dev/sdb4 quite

C the installation package will report an error in filling in https mirrors.aliyun.com/centos/7.6.1810/os/x86_64/ in the network path (after the mirrors.aliyun.com/centos remains unchanged, you can open the phone to see the latest path)

D check with administrator permission when creating a user

E repair window boot; yum update twice; install ntfgs-3g; mount windows disk cd / mnt; mkdir forwin2;mount-t ntfs-3g / dev/sda2 / mont/forwin2;-grub2-mkconfig-o grub.conf