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Computer power failure
Removing power cord is necessary to clear power supply
lockout. Where is that lockout function located? On motherboard. Does he keep buying new parts and swapping - or locate problem in minutes with a meter? Where is a standard computer system that requires anything near to 425 watts. This is the nonsense I am exposing. 425 watts is the urban myth posted, in part, because too many computer experts don't even learn basic functions in a power supply. They even buy 300 watt supplies that have a 425 watt label. That intentional mislabeling on 'dumped' power supplies is proof enough that all computers require more than 400 watts. Most every computer is just fine with a 250 watt supply. In another post, the 400 watt supply also listed amperage for each individual voltage. Bottom line was the 400 watt supply really was only 300 watts. These 'dumped' supplies are quite common where repairmen don't first collect facts - instead just wildly speculate and shotgun a solution. The typical computer system needs no where near 425 watts. jeffrey wrote: Sounds like a hardware problem. If you have to keep unplugging the power supply directly from the wall socket, it could either be its going bad or some part of the motherboard`s power integration system is bad. Best thing to do is, either try using a different power supply from another computer (if you have another to use), take the current one out and have it tested. OS wouldn`t have anything to do with it not wanting to power on. Even when there is no OS on the computer, you should just get the basic startup screen showing the memory check, video version, choice of entering the bios setup, etc. You could also just take both the power supply and mother board to a computer store that can do hardware testing. Also, if you are running a P4, I hear it is recommended to have a power supply with at least 425 watts. Jeff |
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