Re: Can't control Dell laptop fan anymore

["George N. White III" <gnwiii@xxxxxxxxx>]

On Wed, 2 Dec 2020 at 12:39, Fulko Hew <fulko.hew@xxxxxxxxx> wrote:

It's been a bad week for me.

First my disk drive died, and now I've replaced it

and installed F33 (up from F26)

Two failures in a short period means you should investigate possible links.

Is it possible a cable was dislodged while replacing the drive?

Some laptops monitor disk drive temperatures, older models used a sensor

attached to the drive, newer models may have custom drives with built-in

sensors (current models use SSD's).   A mismatched or missing sensor

could confuse temperature management software.

Many laptops collect dust in the cooling fins and passages.  Did you check 

for dust?

Have you run S.M.A.R.T. tests or vendor diagnostics on the "failed" drive

to confirm a hardware failure as opposed to corrupt filesystems?

 

Multiple component issues are often caused by a bad power supply.

Laptop batteries are also suspects.

After running it for a while it started running flaky,

I hadn't installed gkrellm yet.

When I did, I noticed that it was reporting a fan speed of 0 RPM.

True, it wasn't spinning. Maybe it was overheating that that's why it was getting flaky.

[I ran the Dell BIOS hardware test routines, and they spun up the

 fan and reported no errors.]

So I know the fan works, and presumably thats why the hw test

spun it up and spun it down again.

What I'd like to do is to manually control the fan and look at it's

sensor directly (like the Dell hw test does), but I don't know how.

Laptop is a Dell Inspiron 5567.

I'm not sure where to go next.

Thanks

Here's a snippet from running 'sensors':

$ sensors
dell_smm-virtual-0
Adapter: Virtual device
Processor Fan:    0 RPM
CPU:            +36.0°C   
Ambient:        +34.0°C   
SODIMM:         +34.0°C   
GPU:            +30.0°C  

...

--

George N. White III

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