grub 2: "error: You need to load the kernel first"

[Tom H]

>> What does "resume=/dev/sda3" do?

> It means that, during bootup, that partition will be looked at to see if
> it has the data required to resume from hibernation (basically, a dump
> of the memory, when it went into hibernation), and it will resume from
> it, if it does, and if it can. Otherwise, it boots up normally.

Thanks.