Digital Electronics I have a laptop hp 8440p and I want to use it in my RV, I want to use one of those step-up PSU from 12v to 19v to be more power efficient. i see 3 cables in this connector and the PSU has 3, where do i connect the third one? otherwise, it won't turn on. g gabriel Joined April 10, 2021 2 Saturday at 11:55 PM Log in or register to post comments Like 0 Dislike 0 g gabriel Joined April 10, 2021 2 Saturday at 11:55 PM Log in or register to post comments Like 0 Dislike 0 Sourav Gupta Joined February 12, 2018 696 Monday at 02:11 PM What type of Charger you are using? Model number? Log in or register to post comments Like 0 Dislike 0 Log in or register to post comments
gabriel
Joined April 10, 2021 2Saturday at 11:55 PM