Question about Sony VAIO VGC-RB42G PC Desktop

3 Answers

Power got cut to my home.

A transformer down the street blew and knocked out power to my street. I didn't have time to check the pc before I had to leave for work but when I came home, the green power indicator light on the back was flashing and a rythmic popping noise was coming from the speakers. The computer won't turn on. Is my mother board fried?

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  • Facemelter99 Apr 18, 2008

    Thanks for the info

  • Facemelter99 Apr 22, 2008

    It was the power supply. I replaced it and everything's working fine.

  • Rictor Jun 05, 2008

    What power supply did you use? The Vaio has a proprietary power supply that's very expensive from Sony. Did you find a 3rd party power supply that fit the case and worked?

  • Anonymous Sep 01, 2008


    • green lite flashes and wont start unplug main plug om mother board with power on and will start , but when i shut it down some times it will start and some times it wont then i have to unplug at the mother board do i need a new power supply and if so where do i get one and do you have a part # thanks don

  • marinc
    marinc Oct 21, 2008

    Turned off the PC. Turned back on and the green light start flashing.

    If i disconect from the motheboard, it would stay green.

    Conected to motherboard, will flash.

    Please help.

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Hello,
For solving your problem do the following:
1. Remove the SMPS connectors from the motherboard
2. Place the connectors again and switch on the computer

if its not solved check that the SMPS is getting out of 12V using the multimeter

Replace the SMPS with another one

Let me know if your problem is solved and rate me as FIXYA!

Posted on May 11, 2008

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Its the power supply, about $50-$60 retail, depending on where you get the part.

Worst case senario, your motherboard is fried, which would mean that it can be at least $400 to get it back up and running. If that's the case, I would recommend a new PC, given that most mid-end systems begin at that price mark.

Posted on Apr 18, 2008

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Looks like you need to replace the POWER SUPPLY unit , check for blown fuses , voltage regulator , circuit breaker . .
before buying a new one , and lets hope that it didnt damage
the MOTHERBOARD , i hope this info helps

Posted on Apr 18, 2008

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