UL Listed AC Charger for Dell Latitude E6530 E6440 E6540 E7250 E7270 E7440 E7450 E7470 E6430 E5440 P40G P19F P38G P29F P25G P22S Laptop Power Supply Adapter Cord

yes hello i have another one here this is our dell 7440 it does not power on okay and let's go and plug the adapter i'm using power supply this is a power supply here you see i have led on the charger when plugged in the led is going off that means the motherboard is short on the 19 party okay what the power supply is showing us is i have set my power supply set on 19 volt is 2.3 amps okay [Music] okay let's plug again see the voltage drops up to 1.7 okay let's check our motherboard here what is wrong most cases is capacitor so i'm going to check place with capacitors and like this one here this around this area and this one here and also this one here this is the main part so i'm going to use alcohol again starting from here i don't see anything here maybe here you can see it clearly and nothing does get hot about this cup here and nothing is getting about this three here [Music] okay