Under no circumstances should you leave a laptop powered on and in any sleep/hibernate/standby mode when placed in a bag, backpack, or in an overhead bin. The laptop will overheat as a result of that action.
IOW, all modern Dell laptops are defective by design. Crazy that they can ship something this broken and stay in business...
IOW, all modern Dell laptops are defective by design. Crazy that they can ship something this broken and stay in business...