Power adapter plug became black at the top

Pharetra

Commendable
Aug 9, 2016
2
0
1,510
0
I just saw that the plug of the adapter of my sister's laptop is a bit black at the top and it doesn't feel as smooth as I'd expected. Is that normal? I think it's just a sign of it being used and it still works, but I'd rather be safe than sorry when it comes to this stuff :p

I've got some pictures here:
https://drive.google.com/open?id=0BxRHkrPe5ANuTy1oWERLd2JKVFk
https://drive.google.com/open?id=0BxRHkrPe5ANuWks2clQ1RElxY1U
 

Ironsounds

Distinguished
Jul 31, 2011
512
0
19,260
95
Hello... Yes... Great pics... This is an example of Electrical contact "PITTING" There is a worn out, poor mating, between both sides of the connection. The electrons are being confined to a small contact area of the metals... causing over temperature and melting spots.

You should replace both sides of the connection devices. B /
 

Ironsounds

Distinguished
Jul 31, 2011
512
0
19,260
95
Hello... Yes... Great pics... This is an example of Electrical contact "PITTING" There is a worn out, poor mating, between both sides of the connection. The electrons are being confined to a small contact area of the metals... causing over temperature and melting spots.

You should replace both sides of the connection devices. B /
 
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