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ac adapter shuts off after plugging into laptop Dell Inspiron 15R SE 7520

Tags:
  • Motherboards
  • Battery
  • Light
  • LED Monitor
  • Laptops
  • Dell Inspiron
Last response: in Motherboards
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September 11, 2014 6:48:15 AM

(i cannot turn on the laptop)when i plug the adaptor to the wall outlet, the led light on the adaptor turns on.
after i plug the adaptor to the laptop, the led light turns itself off and nothing happens in laptop as well.(the led indicator in adaptor turns on if i unplug it from the wall outlet without plugging to the laptop) No indicator lights on laptop as well and i cannot turn on laptop as well.
i tried to turn on with battery only but it does nothing.
i removed the battery and tried to run it on AC adaptor only but still nothing happens.
i removed the battery and unlugged the adaptor and pressed the power button for few minutes and tried to turn it on again but still nothing happens.
Is there any chance to fix it?

More about : adapter shuts plugging laptop dell inspiron 15r 7520

a c 169 V Motherboard
a b D Laptop
September 11, 2014 10:25:27 AM

The a/c adapter may be faulty despite it's LED lamp lighting up, so it's not supplying any power to your laptop. And because the adapter isn't charging the battery, the battery is flat so your laptop won't work off the battery either.
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September 14, 2014 12:32:40 AM

thank you for your reply Phillip Corcoran.
i have tried few other ac adapter with this laptop and it's showing the same results. So i think its the motherboard itself short circuit somewhere. i took it to some local repair shop and they said they can't fix it. i have changed the dc jack inside the laptop to check if its the dc jack that is faulty but no, it's showing same problem after changing the dc plug.
now i am in confusion whether to buy the motherboard and replace it myself or to send it to other repair shop who are saying they can repair motherboard and motherboard repair starts from $220. i found some used refurbished motherboard in ebay and seller is from china and the price range is from $120-150.
http://www.ebay.com.au/itm/151365095322
http://www.ebay.com.au/itm/271562622140
http://www.ebay.com.au/itm/181521706762


can you give me some suggestions please?
thanks
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