... . Green LED will light to indicate proper operation 4. Turn on laptopProduct DescriptionSuit for HP/Compaq 18.5V/3.5A, 18.5V ... , delta 19V/3.42A, 19V/4.74A, Fujitsu 19V/4.22A, HP 18.5V/1.1A,HP 18.5V/4.9A, IBM 16V/3.5A ... , 3.36A, 4.5A, 19V/4.2A, Liteon ... 19V/4.74A, Gateway 19V ...