Recent content by MikeHunt999

  1. M

    Laptop now won't power up after accidentally connected positive to negative, which I since rectitied but still no Boot ??

    Title refers to reverse power damage... I was going to say look for a burnt over-voltage protection (zener) diode very near the pcb's dc power connection (this will have behaved like a regular diode on reverse power-up, =dead short)... Unfortunately, main text sounds like the laptop is a...