Shawn wrote: Well, a power supply simply has some transformer(s), capacitors, diodes, and other electronic components that reduce the current, level it out, and to change it to direct current. This process builds a lot of heat, so the power supplies usually have one or more fans solely dedicated to keeping those components from over-heating. Most of the components are pretty durable, but spikes in electricity can damage them, or over time they can also fail. As they become clogged with dust, heat failure may be more of a concern. Our computers at home are often on, and it is surprising how much dust they can build up (you can see some of it on the rear fan, but there is more dust that gets caught inside. Using a power strip that has noise and spike leveling will help save the power supply components from taking the brunt of it, but in the end there is little more that you can do. I vacuum my rear fan sometimes to try and get some of the dust out of the power supply. On a PC they only cost $30 to $70 typically, so there is not as huge a concern with replacing them. The less the computer is on, the less dust will get sucked in. In the end, I think your computer was built in the early 2000s, and that is a long life for a power supply.
Todd wrote: It happens. Things get old. Sometimes they go and sometimes they don't. Best thing is to turn the computer off when you are done each night. Even the eight hours you are in bed is a 33% savings on the power supply.
Myrna wrote: Well, thanks Allan. He told me to leave it on sleep and that would save the battery.
Todd wrote: Battery costs $2.50 at any grocery store.
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