Computer turned off, wont turn on

June 17, 2011 at 06:15:27
Specs: Windows 7
Hi guys.. subject says it all really.. I have windows 7 PC, intel 4.. think its only about 3 years old. I was using it as normal just browsing the net then it just turned off suddenly like when there's a power cut. then would no longer turn on. I tried change the power leads 2 times (same fuse number) and still no joy. interestingly when i have the stereo speakers on when i plugin the power lead into the mains there's a 1 second buzz as i do so (weird before comp is even turned on).

Can anyone help and offer some advice? Thanks very much

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June 19, 2011 at 09:16:34
Sound like a capacitor on the mainboard blew. Without it, it will not start.
Power supply will do same thing.
Need to run diagnostics with electronic testers (Bench test).

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