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Just a tip in what happened


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#1 Rapha_q

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Posted 13 December 2017 - 08:10 PM

Hi i bought a chinese notebook (BBEN G17). when it arrived, i plugged the power adapter on the wall socket and it had a blue led indicating it was turned on. Problem is when i plugged the power adapter into the notebook the blue led from the power adapter turned off. So i waited for ten seconds and then i heard a click inside the notebook and immediately a withe smoke was visible throughout the front side of the notebook. My question is, what would cause the power adapter to turn off when plugged in the notebook? Secondly, since no battery leds were ever turned on in the notebook (after pressing the power button, with or withou the power adapter plugged) wich is most probably the burned component inside the notebook? considering there was no current running through it (supposedly) is it possible to be just a fuse or it's possible to be the motherboard? thanks in advance, it would really help me to know this since i have to send this f"@& sh@& back or trying to fix it my self. Thanks.

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#2 Platypus

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Posted 13 December 2017 - 08:18 PM

I suggest return it. The fault could have been caused by the PSU being faulty, the wrong voltage or polarity (wrong PSU supplied), or voltage control and converter circuitry on the laptop's mainboard failing. Smoke would suggest it's more than a fusible link, and without there being much likelihood of being able to find service information on a Chinese product, I think the chance of a repair is slim.

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#3 Rapha_q

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Posted 13 December 2017 - 08:51 PM

i had a suspicion on the polarity because the power adapter specs are: voltage 110-240V, freq 50-60Mhz, current 2.5Amax, wich are all compatible with Brazilian 220v standards (beeing brasil where i live). Any way, I'm much appreciated for your help, your answer made me decide what to do, I'll send it back. Many thanks.

#4 mightywiz

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Posted 14 December 2017 - 01:18 PM

my electronics instructor told us student's: there's smoke inside all components and if the smoke get's out, it's broken!

 

return it as defective!






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