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Sony Vaio laptop not working

Vaio laptop

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#1
sevenbreez

sevenbreez

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Have a Sony Vaio laptop (VGN-CS320J) not turning on. The charge light would light when plugged in, but would go off when power button was pushed, then reappear after a few seconds. Nothing else. No beeps, other lights, monitor, nothing. Sent to Sony and was told MB bad and they could fix for $650. I said uh....no. Got it back and bought a used MB (A1730819A) off Ebay that was supposedly tested and from a reputable seller. (Means nothing I know, it was used)

 

Now it still doesn't work, but acting differently. No beeps or monitor, but the light bar on the front lights from blue to white and goes off. Dvd drive will open. CPU fan not working. The small power light does not come on. Press and hold power button for a few seconds and light bar lights up white and goes off. Plug in charger, charge light lights and light bar turns green. It appears it is trying to turn on. I even tried putting the old MB back in only to find the same original problem I had in the first place. So something definitely changed. Back with the "new" board I've stripped it down taking out the memory, hard drive, and dvd drive. I've tried headphones to listen for beeps. Nothing. External monitor also gives me nothing. I've checked every connection 3 or 4 times. Monitor won't even flicker.

 

My guess is I got a replacement motherboard that is also bad. Seems logical, but I thought I'd give this forum a shot. Thanks.


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#2
phillpower2

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:welcome:   sevenbreez

 

Couple of questions if I may;

 

What happened with the original MB as in did it simply not boot up successfully one day or were there previous problems, if previous problems can you please tell us about them.

Could you at any time hear the cooling fan working when you had the initial problem with the original MB.

Are the battery and AC adapter that you have the ones that were originally provided with the notebook.

Is/was the DC power jack port on the original MB in good order and not disconnected from the MB or worn.


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#3
sevenbreez

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It just simply would not turn one day. Worked fine before, no history of problems. No cooling fan previously with other MB either, nothing at all except the occasional charge light which shut off as soon as I would press the power button. Same  original battery. Tried both original charger and a new one I had. DC power port jack previously replaced by Sony under a bulletin about two years ago.


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