Laptop not charging when plugged in, need to reconnect charger 1-3 times to get it to charge ? It's an old dell laptop which came in open box pre-owned with a Targus charger (I have no idea). Been acting strange for a week now, been using it for 6 months.
old dell laptop
it's still a laptop, nevertheless and we're going to need more info on it. Which is why we ask for the make and model of said laptop. Given how you've mentioned it to be a Dell laptop, you can parse the model of the unit. You can likewise look through Dell's support page with the Service Tag for any possible BIOS updates. Then we can look at the sort of replacement charge it needs and perhaps a replacement battery for said laptop. Aftermarket chargers are not good, you should work with genuine parts meant for your laptop, matching the model number.