laptop wont work

Just bought a used laptop today, Sony Vaio VPCCB series. What happened was I connected the AC charger and the laptop turned on. I noticed it said batter not found, and I didn't realize the battery wasn't inserted, so I go back to the box and find the battery and insert it. Now upon booting up...

Asus ROG gl502vm which i won on that UltimateROG Power competition few years ago suddenly died in (September 2018) , no home remedy worked, or atleast i thought so. Couple of days ago i thougt id get out the useful bits hdd ssd and ram to reuse.out of pure curiosity i plugged its adapter and it...