How does a Dell laptop charger with a pin of the same wattage & specs which fits perfectly into an HP not work because it knows it is not an HP charger
![Dell Genuine 45W AC Adapter Inspiron 14 5482, Inspiron 13 7373 Laptop Battery Charger PIN SIZE: 4.5MM × 3.0MM PSU With Power Cord And 1 Year Warranty UK SELLER: Amazon.co.uk: Computers & Accessories Dell Genuine 45W AC Adapter Inspiron 14 5482, Inspiron 13 7373 Laptop Battery Charger PIN SIZE: 4.5MM × 3.0MM PSU With Power Cord And 1 Year Warranty UK SELLER: Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61UhlbVfPGL.jpg)
Dell Genuine 45W AC Adapter Inspiron 14 5482, Inspiron 13 7373 Laptop Battery Charger PIN SIZE: 4.5MM × 3.0MM PSU With Power Cord And 1 Year Warranty UK SELLER: Amazon.co.uk: Computers & Accessories
![Dell Genuine Original Laptop AC Power Adapter Charger 19.5V 3.34A 65 Watts Connector tip size 7.4mm x 5mm (with center pin) Part Number - PA-3E, PA3-E, PA-10, WK890, Y807G, 330-1826, Y808G, 330-1825, Dell Genuine Original Laptop AC Power Adapter Charger 19.5V 3.34A 65 Watts Connector tip size 7.4mm x 5mm (with center pin) Part Number - PA-3E, PA3-E, PA-10, WK890, Y807G, 330-1826, Y808G, 330-1825,](https://m.media-amazon.com/images/I/610elFrwMZL._AC_UF1000,1000_QL80_.jpg)
Dell Genuine Original Laptop AC Power Adapter Charger 19.5V 3.34A 65 Watts Connector tip size 7.4mm x 5mm (with center pin) Part Number - PA-3E, PA3-E, PA-10, WK890, Y807G, 330-1826, Y808G, 330-1825,
![Dell Genuine G7 17-7700, G7 15 7588, G3579-5941BLK-PUS G3 15 3579 Gaming Laptop Battery Charger 180W Adapter Power Supply 7.4mm x 5.0mm Pin Size 19.5V 9.23A Adaptor PSU + Power Cord: Amazon.co.uk: Dell Genuine G7 17-7700, G7 15 7588, G3579-5941BLK-PUS G3 15 3579 Gaming Laptop Battery Charger 180W Adapter Power Supply 7.4mm x 5.0mm Pin Size 19.5V 9.23A Adaptor PSU + Power Cord: Amazon.co.uk:](https://m.media-amazon.com/images/I/61bvEpJ93OL._AC_UF1000,1000_QL80_.jpg)
Dell Genuine G7 17-7700, G7 15 7588, G3579-5941BLK-PUS G3 15 3579 Gaming Laptop Battery Charger 180W Adapter Power Supply 7.4mm x 5.0mm Pin Size 19.5V 9.23A Adaptor PSU + Power Cord: Amazon.co.uk:
![New Replacement Laptop AC Power Adapter for Dell Charger 19.5V 3.34A 65W 65 Watts Connector tip size 7.4mm x 5.0mm (with center pin) Part Number - 00001, 310-7251, 310-7696, 310-7697, 310-7866, 310-8363, New Replacement Laptop AC Power Adapter for Dell Charger 19.5V 3.34A 65W 65 Watts Connector tip size 7.4mm x 5.0mm (with center pin) Part Number - 00001, 310-7251, 310-7696, 310-7697, 310-7866, 310-8363,](https://m.media-amazon.com/images/I/61Y8SZAJf+L._AC_UF1000,1000_QL80_.jpg)
New Replacement Laptop AC Power Adapter for Dell Charger 19.5V 3.34A 65W 65 Watts Connector tip size 7.4mm x 5.0mm (with center pin) Part Number - 00001, 310-7251, 310-7696, 310-7697, 310-7866, 310-8363,
![Dell New Genuine 19.5V 3.34A 65W Smart Small Pin 450-AECO Laptop Power Adapter Battery Charger UK Seller: Amazon.co.uk: Computers & Accessories Dell New Genuine 19.5V 3.34A 65W Smart Small Pin 450-AECO Laptop Power Adapter Battery Charger UK Seller: Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61wWS9qWgPL.jpg)
Dell New Genuine 19.5V 3.34A 65W Smart Small Pin 450-AECO Laptop Power Adapter Battery Charger UK Seller: Amazon.co.uk: Computers & Accessories
![laptop charger 3 pin Cable Cord Connector DC Jack Charger Adapter 7.4 x 5.0 mm Plug Power Supply Cable for H P - D E L L Laptop 1.2M laptop charger 3 pin Cable Cord Connector DC Jack Charger Adapter 7.4 x 5.0 mm Plug Power Supply Cable for H P - D E L L Laptop 1.2M](https://static-01.daraz.pk/p/338e20db27b84a191b40cea36bb6b28f.jpg)
laptop charger 3 pin Cable Cord Connector DC Jack Charger Adapter 7.4 x 5.0 mm Plug Power Supply Cable for H P - D E L L Laptop 1.2M
![Wikiparts* New 65W Genuine Ac Adapter Replacement For Dell 06TM1C, PA-1650-02D2, LA65NS2-01 Laptop Charger with 7.4mm x 5.0mm Pin Size. : Amazon.co.uk: Computers & Accessories Wikiparts* New 65W Genuine Ac Adapter Replacement For Dell 06TM1C, PA-1650-02D2, LA65NS2-01 Laptop Charger with 7.4mm x 5.0mm Pin Size. : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61IRTRDjCTL.jpg)
Wikiparts* New 65W Genuine Ac Adapter Replacement For Dell 06TM1C, PA-1650-02D2, LA65NS2-01 Laptop Charger with 7.4mm x 5.0mm Pin Size. : Amazon.co.uk: Computers & Accessories
![Dell Inspiron 19.5v 3.34a charger 4.5mm pin / Dell Inspiron 19.5v 3.34a laptop charger / Dell 19.5v 3.34a power cable Dell Inspiron 19.5v 3.34a charger 4.5mm pin / Dell Inspiron 19.5v 3.34a laptop charger / Dell 19.5v 3.34a power cable](https://files.ekmcdn.com/jimbocoy1/images/dell-inspiron-19.5v-3.34a-charger-4.5mm-pin-67102-p.jpg)