Question about Sony VAIO K45 Notebook

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No power when i start vaio pcg k45

I INSTALLED A NEW HARNESS DC JACK DUE TO A BROKEN DC JACK.BATTERY WAS LOW COULDN'T CHARGE IT DUE TO BROKEN DC JACK.NOW I START IT; BUT NO POWER IT'S BEEN ABOUT10 DAYS WITH NO BATTERY CHARGE. NO LIGHTS NO SOUND NADA. ANYONE OUT THERE TO ASSIST ME WITH SOME POWERFUL INFO.....

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  • brian c
    brian c May 11, 2010

    Sounds like you didn't plug something in during re-assembly.

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Did you happen to clean the fan and remove that whole thing that cools the microprocessor?

Posted on Oct 22, 2008

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The small flat cable from power button to board came out on mine while i was replacing the keyboard. never got around putting it right way in or something because, i have the same no power problem now.

Posted on Aug 16, 2008

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Im having the same problem can't turn my computer on

Posted on Jul 03, 2008

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I'm having the exact same problem. Any insight would be great!

Posted on Mar 05, 2008

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Recheck the small flat cables coming from the power button panel to the systemboard.

Posted on Jan 25, 2008

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Sony vaio model pcg-61611L it turns on for 4 seconds and then it turns off using the ac adapter . help please


The charger may be bad, will it charge the battery? a common problem is the DC jack in the laptop breaks connection on the motherboard internittent operation or no power and shut down. If you can sub the charger that will tell if the power supply is bad or the problem is in the laptop. If the computer is the issue I recommend a professional because it will require extensive parts removal.

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I have a Sony Vaio laptop, model PCG-384L. It will not power up. My wife indicated that she push some button that lock the power. Can seem to find the button that controls or locks the power button. ...


Typically that flashing light means low battery. Which makes sense, as you probably have an issue with the AC Adapter that you plug into the computer to charge it, or the DC Jack that this adapter plugs into on the laptop. Either of these things will cause your computer to not charge the battery, and if there isn't enough power it won't turn on.

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You might need a new battery....you could try removing the battery, plug laptop into ac and restarting. Or you might need a new DC power jack. If you wiggle the cord where it plugs into the laptop, and it starts to charge normally, then the DC power jack needs replacing. http://www.insidemylaptop.com/take-apart-sony-vaio-vgn-s360p-replace-broken-power-jack/

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Would any 16volt ac adapter be ok to charge my PCG-VX89 vaio notebook?


you can use any laptop AC adapter DC output-16V and 4A (current). if its jack size natch your laptop DC jack.
if the adapter DC current less than 4A (over 2.5A at least) you should only make the battery charging without laptop turn on!!!
please take a rating let me know how much helped you thanks!

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DC power inside computer will not charge battery.


About 99% of the time the DC female adapter is soldered to the motherboard making it near impossible to fix. Getting solder on anything would ruin the motherboard.

It is possible that it is your Power Cord and not the jack on the motherboard. Same problem I had a few weeks go with a clients laptop. You may want to buy a new Power Cord, and try that before you go out and have to get a new motherboard (which can be VERY costly, or even buying a new laptop).

Post the model number of your laptop and I can direct you somewhere to get a good deal on a new power cord.

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you will most likely need to replace the dc jack, which is the port where your charger plug plugs into...

To test if your dc jack is bad... Remove the Battery, Plug the Power cord into laptop then attempt to power on... If no lights turn on, no fan spins.. your DC jack is bad...
DC Jacks Cost $6 to $10 but you need to find someone experienced to replace it, or you might end up with a dead motherboard as well..

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Pcg k45 sony vaio


chek the adapter and female power soket on laptop. if they are ok, clear the bios by reset bottom(there is a small hole under laptop) or removing small battery on mainboard.if the problem not solved ,have to change the mainboard.

Aug 16, 2008 | Sony VAIO K45 Notebook

1 Answer

PCG-K45: No Power: Internal component issue.


Hi,
The Power Charging Board Is Usually Known As A PWS Board.
It should have a model Number Stamped On It. you type this into a blank webpage and do a search. this will give you the model Number i.e PWS 13 OR PWS 15 et,c.

Mike @ Compurepair.

Apr 06, 2008 | Sony VAIO K45 Notebook

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