Overworking on a laptop, or viewing YouTube too much can lead to excessive heat generation, potentially causing the laptop to catch fire metaphorically. This term usually signifies serious overheating issues, which can cause significant damage to the laptop's internal components, decrease efficiency, and even lead to system failure, not to mention interfering with your YouTube surfing too much. So keep your eye on your laptop and give it a break sometimes, or yours will also catch on fire. Proper ventilation, regular cleaning, use of cooling accessories, sensible usage habits and some time off YouTube are vital. An electronics custom progress bar for YouTube with a Burning Laptop.