The other day, I went to turn on my Mac IIsi and it would not turn on; no click, no noise…nothing. I had turned it on just hours before that and most days it is on at some point. I bought a recap kit and recapped the PSU (already recapped the motherboard a year or so ago). But still nothing - dead silence when I push the button. Battery tested good and fuses have continuity. I also tried the keyboard power button - nothing. Still hoping the problem is the PSU, but I have my doubts. Any ideas would be welcome.