Troubles associated printed circuit board

It's Black Friday -- the day when many stores allegedly move "into the black" for the year and Christmas shoppers traditionally appear in thundering herds. " If you're reading this at your normal wakeup time, you have already missed midnight openings ...

Take the precautionary step, and discharge these primary capacitors (after it is unplugged from the AC power) with a screwdriver or place jumper wires across the leads prior to working on the PSU printed circuit board. ...