@ Mike If is in the warranty the problem is solved. That is very good
@ trigggl there is a lot of energy in a PSU but is mainly amperes the voltage is not so high. Normally is enough to give 2 hours to PSU unplugged, in spite the rule is 24 hours of waiting to give time for the capacitors to go to zero. Nothing that a kitchen rubber glove can't solve but not wet or you will get a very big