How to modify a DELL or aftermarket replacement charger to work with HP laptop - YouTube
Hacking the Dell laptop power adapter — part II | My Not-So-Boring Life
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
ALL LAPTOP REPAIRING SOLUTION: How to fix if DELL Laptop not recognizing adopter which is working on other laptops