英语ext4 signature detected on /dev/sdb怎么翻译,signature的意思

Q1：help! Mounting /dev/hda3 on /newroot failed: Invalid argume

Hi. The default bootloader for Gentoo is Grub2.If you use Grub2, here is my answer.You need to edit grub configuration file--grub.cfgIn grub.cfg, you may find command line like this:    linux    /boot/vmlinuz-3.19.0-20-generic.efi.signed root=/dev/ha3 ro  quiet splash  $vt_handoff    2. Change /dev/ha3 to /dev/sda3. reboot and give it a shot!ps:In UEFI system, the grub.cfg file exists in the EFI system partition, that is /dev/sda1--the Fat32 partition in your 500G hard drive.

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