Method 1. I updated the BIOS to the latest one (1.6.2, released 1/25/2018) and rebooted. Some PCs run their fans at full blast all the time—this is especially common if you built your own PC and haven't done any fine-tuning of the cooling hardware. (in my case, my laptop Hp Pavilion had been upgraded to W10 home 2 weeks ago and the fun was running 100% everytimes). Some processes like Windows Update, Office sync, anti-virus scanning, and Edge may run high CPU at times. Here’s how to fix a laptop fan constantly running all the time. This was annoying, but not tragic, as the laptop performed well. Bad thermal sensor (computer thinks it's overheating when it's not). According to Speccy my core temp was spiking in the 80C range during this. It could be designed to do so by default 2. Surface laptop 3 running hot, fan always running and poor performance Dear all, I received my i7 surface laptop 3, 5 weeks ago and straight out of the box it has been running hot, with the fan persistently running and very slow performance. Hello Yesterday I got the HP Pavilion x360 Convertible and the model number is 15-br077cl. There could be a number of reasons for the laptop fan running continuously: 1. Adjust the power settings, clean the fan vents, check for suspicious processes, and then update the BIOS to help reduce the internal temperature. Dell Latitude 7400 Running Hot and Loud with Heat & Fan Issue 01/03/2021 01/03/2021 gfisk Computer Is your Dell Latitude laptop very hot and you hear the fan running loudly – but there’s no high CPU usage and nothing apparent causing the issue and it may randomly stop running hot and loud 1 – 8hrs from now? The laptop was relatively new – roughly three months old – and the fan (during the first three months of use) ran almost constantly. I solved it upgrading … However, if the laptop does not run any software at all, and your laptop fan always on, that may be caused by the system set up. I recently purchased a 7373 as well and noticed my cooling fan running full speed pretty much all the time and the area above my keyboard becoming very hot to the touch. Over time these processes should subside. Then, I accepted a Dell Update about three weeks ago and everything changed. When a computer fan spins loudly for a long period of time, there might be an issue with a fan, or the computer might be overheating. When I turn on the laptop, the fan turns on. Laptop fan is an important component of the laptop cooling system. My laptop has been “running hot” for years–fan constantly on high–figured it was just part of the laptop being old. The fan was no longer running as much as it was before. I read your article, vacuumed the side air vent (what could it hurt to try), and my laptop is quiet as a kitten two hours later. 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