When ever I on my laptop, it runs diagnostic test and says the fan is not functioning properly.
Now when ever diagnostic test runs, the fan turn on and sometime don't turn off (running uncontrollable) and sometime it don't turn on even if the temperature is too high
I tried cleaning the vents and update the BIOS
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It may be a faulty fan or worst case is a faulty fan control circuit on the motherboard.
As there are two sensors on the fan itself, a temperature sensor and a speed sensor, maybe try replacing the fan first and check if that resolves the problem.
Here's the service manual for the laptop. Go to p.30 to view the procedure to remove/replace the fan.
Search online for 0KRK6P to find fan suppliers that suit you best.
If the same problems occur with a new fan you will need to find the schematics for the motherboard.
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Well high internal temps caused by 100% disk usage, high RAM usage, dust and dirt in the vents, or lack of airflow can make your fan loud sometime to fix this I will suggest you to Clean the fan, CPU/GPU heatsink, and air vents using compressed air and a brush/microfiber cloth.
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