Dracut-initqueue[624]:warning:could not boot.
Dracut-initqueue[624]:warning:/dev/root does not exist.
Starting Dracut Emergencyshell ...
Warning:/dev/root does not exist
The reasons are: Ultroiso the installation file path of the USB flash drive under window, not recognized by Linux installer
Here's how to fix it:
dracut:/# Cd/dev
dracut:/dev# ls
After finding where the installation files are located, my is SDC, because I have two hard drives, my USB stick is third, so is C.
Restart at the installation Screen Press TAB, modify the boot configuration,
Vmlinuz initrd=initrd.img
inst.stage2=hd:label=centos\x207\x20x86_64 Rd.live.check Quiet
Switch
Vmlinuz initrd=initrd.img
INST.STAGE2=HD:/DEV/SDC quiet
You can do it.
SDA first hard drive (computer hard disk) SDB second hard drive (possibly your U)
Installing CentOS 7 Error Resolution