Call Dell tech support. You have 1 year  in which to repair the system or you can ask for a replacement.
I have bought G5 5590 2 months ago. There is an annoying sound like  "zzzzzzz zzz zzz " from the left side of the laptop keyboard. The sound goes off when I disconnect the AC adapter. Could anyone please tell me if this is normal or something is wrong? what should I do?
Dell G5 5590, when AC adapter plugged in, buzzing noise