HP is discontinuing the HP Dragonfly brand of thin and light business-class notebooks, but it’s just the name that the company is retiring, not the idea, because the new HP EliteBook Ultra G1a picks ...
One key reason your laptop might not boot up without a battery is the power settings in the BIOS or UEFI. So, make sure that power-related settings are correctly configured in the BIOS/UEFI.
The Surface Laptop comes in 14-inch and 15-inch configurations, and even the larger model is thin and light enough to carry around - and its battery life means you won't need to look for a plug ...