Dell's Charger Problem or Something Else,Need Urgent Help Plz?

Hey guys,so I kept my pc all night because I was downloading some movies and shit and I kept it charged from yesterday's night to this morning and when I opened my pc,it wasn't charging at all and pc died because of no battery and I tried checking my charger and tried to work it out by plugging it out for a while and plugging it again but nothing is happening,it isn't charging and I tried the charger to charge another laptop by taking half of the charger out and plugging it in another charger and it works but when I charge it in my pc it doesn't work.maybe the half of the charger is broken or my port is broken,idk need help?thanks....