Question about Siemens Seimens Arc Fault Breaker
Try another load, a healthy one such as a toaster or coffee maker on the same circuit (preferably the same outlet) to see if the breaker is at fault.
Conversely, you should try the PC with an extension cord, in a known different circuit srviced by a different breaker.
For whatever reason, breakers don't seem as durable as they once were; in a new home, two of ~20 failed when new.
If you establish that it is the PC causing the fault, new power supplies start at ~ $20 (on line-dealers charge way more) and it is a fairly simple procedure to replace it.
I suggest you take some snapshots of the guts of your machine after exposing the innards and remove the sick supply and physically compare it to those offered on eBay and elsewhere.
The most important parameter will be the total power output of the supply, its rating in watts; as in 450W. You can safely (and it is advisable) to step up in power when replacing these and the cost difference is minor. i.e.; if your current supply is 350W, go to 400 or 450 watts. The new supply will run under less stress and probably live longer.
Posted on Jan 22, 2009
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