We had a power surge the other night. My computer was on a surge protector but still got zapped. Everything else on the surge protector still works. How can I check the power supply inside my comp[uter to see if it is bad? Thanks, Mike.
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Power surges, such as those caused during lightning storms, can often cause power supplies in electronics to fail. Sometimes, if you're lucky, the manufacturer will have placed a protection fuse in the power supply which can be replaced after a surge. If there is no such fuse, the power supply typically will need to be replaced for the equipment to regain function.
It is VERY IMPORTANT to use SURGE PROTECTORS on all electronics, especially if you live in an area where thunderstorms are commonplace. This will protect your electronics from most (not all) surges that would otherwise zap them into failure.
try removing all power cables of your computer that are connected to the surge protector. reset the surge protector. wait for about 5 minuets before you turn on the surge protector. then plug all cables that your remove from your computer the turn on the computer.
Most surge protectors only protect up to a certain limit. If you had a large surge, then i would say the power board in your printer has been zapped. I would suggest you purchase a new or second hand printer to replace yours, unless your willing to pay more than the printer is worth to fix it.
Another thought is that the problem could be the actual power point it was plugged into. Try plugging it in to another power outlet that you know is working.
Check the power source to the computer (both ends of the cord), if a surge protector is in line with the power , remove it and plug the computer straight into the wall. also check the wall plug with a lamp or something to ensure power there. make sure the switch on the power supply hasnt been changed to the 220v side.
If no power at the wall- check your breaker box in the house
If it works plugged straight into the wall- check the surge protector
If power at the wall and plugged straight into the computer (no surge protector) and nothing lights up when you turn it on- have your power supply checked.
First thing to do is try to plug the pc in another wall socket to see if it goes on, If not, the MB could have gotten fried, even though the other plugs seem to work. Hopfully you just need another surge protector as that could have gotten damaged.
LOT OF TIME WHEN YOU LEAVE IT OFF FOR THE NIGHT DISCONNECT POWER CORD DEFECTIVE SURGE PROTECTOR IS NOT GOOD FORE EVER PLUG TV IN THE WALL WITOUT THE SURGE PROTECTOR IF IT GOOD CHANGE THE SURGE PROTECTOR FOR NEW ONE CHEERS