UL Listed AC Charger for Dell Vostro 15 5581 P77F P77F001 Laptop Power Supply Adapter Cord

[Music] hello today we have the vastra 3558 which comes from another workshop the problem of this machine it has error as you can see on the screen the ac power adapter voltage cannot be determined this means this motherboard cannot determine the adapter so let's go and check the motherboard and see what is the problem okay turn it off remove the motherboard okay [Music] according to the information we made on this motherboard so this is the second repair attempt [Music] for the adapter to be recognized by the motherboard and the center pin of the power pc jack and this one should be able to communicate with super io chip this adapt id center pin should be able to communicate with this superior chip and let's go and check the rails where this id is passing [Music] okay let's start from the dc jack this is the c in one search from schematics dcl one and yeah yes you have to sit in our [M