Laptop power supply stops buzzing when plugged in,laptop is dead wont charge or turn on

mark owens11

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May 17, 2017
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Hi all I have a HP G2 455 laptop,the power supply slightly buzzes when its NOT connected to the laptop,when I connect it,it goes quiet but I cant charge or switch the machine on.Any ideas please? Laptop or the psu, which is it? Theres no lights indicating power is getting to the laptop either Thanks
 
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