Can Windows 7 Pro be configured to backup even if not logged into windows?

I have Windows 7 Professional, 64-bit. I have tried to configure the backup software, but I can't find an option to back the system up even if I'm not logged into Windows. I usually use my laptop and I'm trying to backup my main computer which I rarely am sitting in front of the console, and don't like to leave it logged in and vulnerable to threats.
Is there a way that I've missed to enable this to backup regardless of login status? If so, instructions or a link to a MS website would be greatly appreciated.
I've looked at several alternate programs and they each have their quirks (Nero 2014 BACKITUP, Norton Ghost, etc).
Thanks in advance,

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