You've found what you think is the den and feel around for the desk where you should find the flashlight. There, on top by the monitor.
In your frustration of putting in the hard drive and moving some things around inside your computer last night, you must have moved a lot of other things around. Your chair isn't there for one thing. You need to be careful then, make sure you don't knock something over.
Carefully you run your hand lightly over the desktop, and below it, where you worked on the floor. Brushing your fingers lightly along the carpet and tangle of wires you reach the surge protector and ZAP!