Disable passive heat sink and fan duct without fan.
Fan error dell computer.
Learn how to troubleshoot problems with the fan on your dell desktop or laptop pc.
Let us know if there is any error code listed.
Turn off the pc.
Use dell online diagnostics quick test for dell pcs to analyze identify potential issues and offer solutions guidance.
When he mentions that the bios tells the motherboard not to send energy power to the fan.
Check the air vents on the pc for dust or debris.
Once the bios is updated please run the hardware diagnostics follow the steps below.
It can occasionally be used to troubleshoot tech issues and to make sure everything is as it should be.
However since then whenever i run dell diagnostics fan testing is throwing an error code 3700 011b it is unable to control the fan speed however it is showing proper rpm speed.
Now rerun the diagnostics if the issue persists we need to replace the fan.
Diagnostics do not find anything wrong.
Plug your computer to a good working ups before you update the bios.
Connect the ac adapter before updating the bios and do not use the system until it restarts after the update.
One upon boot the bios laptop doesn t detect the fan and says the fan is not functioning and it halts the boot process.
Save your changes and exit bios.
Power the system on press f2when you see delllogo on the main bios screen press alt f then press alt eand then alt b.
Refer to the user manual of your dell pc.
Enable active heat sink and fan duct with fan.
Check the cpu fan s settings in bios.
If you experience a loss of ac power or a significant voltage sag spike during the bios flash you will either have to buy a new bios chip or buy a new motherboard.
If you read my issue the laptop suffers from two different issues.
You can find information about diagnostic tests troubleshooting steps how to guides and relevant support videos for assistance.
Cleaning the air vents on your dell pc.
Air vents may be located in various places depending on the pc model.
Open bios then select advanced settings hardware monitor cpu fan.
You may also follow the steps below to reset the bios to defaults and see if it helps.
In this video i m going to show you how to fix the cpu fan error on your computer.
Intel i3 4160 3 60 ghz 24gb ddr3 ram gtx 1050 2gb.