Posted March 6, 2018 I have a HP ProBook 440 G1 laptop, and the cooling fan isnt working. It boots into windows and everything, but the fan doesn't spin. It only spins for a split second and then cuts off (as if it got power only for a split second). I have disassembled the laptop carefully (it still works) and I want to know what the issue is. Is there a way for me to test the fan outside of the system? What is the reason the fan is behaving like this? Any and all help is appreciated, Thanks! ☺️ Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 Fans can die. Might want to order a replacement. PC Specs - AMD Ryzen 7 5800X3D - MSI B550M Mortar - 32GB Corsair Vengeance RGB DDR4-3600 @ CL16 - ASRock RX7800XT - 660p 1TBGB & Crucial P5 1TB - Fractal Define Mini C - CM V750v2 - Windows 11 Pro Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 plug out the fan, get 4 AA battery, connect them in serial so they will generate 6 volt. now with some wire, connect + to the red wire hole and - to the black wire hole. and it should run. Ryzen 5700g @ 4.4ghz all cores | Asrock B550M Steel Legend | 3060 | 2x 16gb Micron E 2666 @ 4200mhz cl16 | 500gb WD SN750 | 12 TB HDD | Deepcool Gammax 400 w/ 2 delta 4000rpm push pull | Antec Neo Eco Zen 500w Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 or you can just get a new one https://www.amazon.com/Cooling-Probook-4540S-4740S-683484-001/dp/B00GL4OK9G Ryzen 5700g @ 4.4ghz all cores | Asrock B550M Steel Legend | 3060 | 2x 16gb Micron E 2666 @ 4200mhz cl16 | 500gb WD SN750 | 12 TB HDD | Deepcool Gammax 400 w/ 2 delta 4000rpm push pull | Antec Neo Eco Zen 500w Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 Is the CPU/GPU even hot enough for the fan to start spinning? Computer engineering grad student, machine learning researcher, and hobbyist embedded systems developer Daily Driver: CPU: Ryzen 7 4800H | GPU: RTX 2060 | RAM: 16GB DDR4 3200MHz C16 Gaming PC: CPU: Ryzen 5 5600X | GPU: EVGA RTX 2080Ti | RAM: 32GB DDR4 3200MHz C16 Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 Author The fan spins when connected to a lipo battery of 3.7ish volts. It works just fine like that. I did notice that one of the temperature on CPU-Z HWMONITOR (motherboard>pchz something like that) shows 124° C which is weird. Also, SpeedFan doesn't detect any CPU Fan at all. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 Author 38 minutes ago, thegreengamers said: Is the CPU/GPU even hot enough for the fan to start spinning? The fan always used to spun when the laptop was booted, it's a 3-4 year old laptop, so it doesn't have the no noise system that modern Ultrabooks have got. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted March 6, 2018 5 minutes ago, Priam017 said: The fan spins when connected to a lipo battery of 3.7ish volts. It works just fine like that. I did notice that one of the temperature on CPU-Z HWMONITOR (motherboard>pchz something like that) shows 124° C which is weird. Also, SpeedFan doesn't detect any CPU Fan at all. wow, that can boil water! i'm surprised the laptop doesn't turn off. The fan should be broken, you should get a replacement. It's cheap anyway, since you can put it there yourself, no need to pay for extra service. Ryzen 5700g @ 4.4ghz all cores | Asrock B550M Steel Legend | 3060 | 2x 16gb Micron E 2666 @ 4200mhz cl16 | 500gb WD SN750 | 12 TB HDD | Deepcool Gammax 400 w/ 2 delta 4000rpm push pull | Antec Neo Eco Zen 500w Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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