How do I start my MacBook without the Battery Installed

My battery has started to Bulge and I am having the usual problems I have read about with this issue, the trackpad isn't working, premature shutdown, etc. I am living thousands of miles away from an Apple Store so I have given the battery to a friend to either get replaced or buy a new one. In the mean time I want to use the MBP without the battery. How do you start the MBP without the battery being installed?
I know there will be a reduction in performance but I am not worried about that at the moment as I need some of the info of my hard disk. It can't run any slower than it is at the moment, it's dead.

Kappy Thanks I have started it again. I actually found this thread and tried it yesterday before my question but nothing worked. I left the computer uplugged over night and thought I had nothing to lose so I tried it agian this morning and it actually worked this time. I only had to use the Restart (Control-Command-Power) option not the SMC reset. Leaving the power disconnected must have cleared something somewhere.
Thanks again.

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