![What purpose does the small cylindrical module near the end of my laptop charger cable serve? - Quora What purpose does the small cylindrical module near the end of my laptop charger cable serve? - Quora](https://qph.cf2.quoracdn.net/main-qimg-ba169a23ab2bdbf672297dc45e244527.webp)
What purpose does the small cylindrical module near the end of my laptop charger cable serve? - Quora
![orig type Laptop Charger Adapter Asus 19V 6.32A for ROG G771 G771JM G771JW GL550 GL550JK GL551 GL551J GL551JM GL551JW GL552 GL552J GL552JX GL552V GL552VL GL552VW GL552VX GL553 | Lazada PH orig type Laptop Charger Adapter Asus 19V 6.32A for ROG G771 G771JM G771JW GL550 GL550JK GL551 GL551J GL551JM GL551JW GL552 GL552J GL552JX GL552V GL552VL GL552VW GL552VX GL553 | Lazada PH](https://ph-test-11.slatic.net/p/5edb72ff5f370e4a627bd17874489735.jpg)
orig type Laptop Charger Adapter Asus 19V 6.32A for ROG G771 G771JM G771JW GL550 GL550JK GL551 GL551J GL551JM GL551JW GL552 GL552J GL552JX GL552V GL552VL GL552VW GL552VX GL553 | Lazada PH
![laptop - Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) - Super User laptop - Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) - Super User](https://i.stack.imgur.com/moQwP.jpg)
laptop - Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) - Super User
![Speedjet Laptop Adaptor 19.5v-3.34a Blue Pin for HP with Power Cable 65 W Adapter - Speedjet : Flipkart.com Speedjet Laptop Adaptor 19.5v-3.34a Blue Pin for HP with Power Cable 65 W Adapter - Speedjet : Flipkart.com](https://rukminim2.flixcart.com/image/850/1000/xif0q/laptop-adapter/d/v/6/laptop-charger-18-5v-3-5a-for-hp-speedjet-original-imagha2384jzrf5f.jpeg?q=20)
Speedjet Laptop Adaptor 19.5v-3.34a Blue Pin for HP with Power Cable 65 W Adapter - Speedjet : Flipkart.com
![The laptop was not grounded and it caused a humming noise I'm the audio output, so I did it myself : r/techsupportmacgyver The laptop was not grounded and it caused a humming noise I'm the audio output, so I did it myself : r/techsupportmacgyver](https://preview.redd.it/8wy9vellc2v71.jpg?width=640&crop=smart&auto=webp&s=2c9587973c6702a9ba9496487a4eb622971ba570)