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Laptop adaptor working weirdly

abhihere121
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So few days ago my laptop charger stop working so i opened it everything was ok one of the wire was loose so i soldered it but now when i charge my laptop adaptor gives some crickling noise and laptop blinks both charging and system light simultaneously what could have happened pls tell me(battery backup even degraded and yes the aluminium sheet which covers the adaptor from inside was broken by me)

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https://linustechtips.com/topic/1041260-laptop-adaptor-working-weirdly/
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you probably damaged something / sodered a part that you shouldn't have. laptop chargers are smll transformers and therefore rely on AC current. if you sodered something incorrectly, it could be shorting something out or doing something wired. please buy a new adapter. do *not* continue to use that. it can cause fires and have a much more significant damage on your property. 

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Yea sure because I'm seeing some abnormalities in my laptop like sometimes 1 of the usb 3 port stops working and some times beep sound from the motherboard battery backup has a downfall from 2 hrs to 30 mins but why is my laptop is working weird and from where should i buy the adaptor online market or the offline market thanks for your help

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15 hours ago, Saksham said:

you probably damaged something / sodered a part that you shouldn't have. laptop chargers are smll transformers and therefore rely on AC current. if you sodered something incorrectly, it could be shorting something out or doing something wired. please buy a new adapter. do *not* continue to use that. it can cause fires and have a much more significant damage on your property. 

Yea sure my laptop us working weird usb stops working when i plug it in motherboard makes beep noise from where should i buy the adaptor offline market or the online one.

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3 hours ago, abhihere121 said:

Yea sure my laptop us working weird usb stops working when i plug it in motherboard makes beep noise from where should i buy the adaptor offline market or the online one.

try buy official adapters from laptop OEM (but unfortunately they are more expensive).

buy 3rd party adapters/(oem adapters on 3rd party websites) at your own risk. 

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