i forgot to switch to 230v when plugging in my american desktop infrance, there was a pop, and now it wont start. did i completely breakit or is there a circuit breaker or something i can fix
chances are, you just overloaded the power supply. I would take it to a service center or a PC repair place and have them check it out for you.
Try a new power supply, and hope for the best. Unless it is an older computer,there may not be a fuse. Good power supplies have some ability to extinguish the arc that is generated when the fuse blows. Failure to select a proper voltage rating will mean a lot of transient energy is let through by arcing and may be a fire hazard. Short answer: Take it apart. Be careful, as there is a lot of stored electricity and can give you a jolt. I use rubber gloves and shower shoes on a rubber mat.
Most likely the breaker fuse inside the power supply fried may have successfully prevented mainboard components from damage. In some units this is a user serviceable part. Unless you are an experienced micro electrician I would simply replace the power supply. They cost anywhere from 30 to 80 dollars. regards, Philip T
