Enable CPU fan

Asked by Rod Stultz on 2007-05-14

In device manager I can see my CPU fan listed but it is listed as disabled. Under fan.enabled bool false. How do I enable this so that it runs? In short how do I change the false to true and will this make the CPU fan run properly?

I'm a newbie to Linux

Thanks for any help,

Rod

Question information

Language:
English Edit question
Status:
Answered
For:
Ubuntu hal Edit question
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Last query:
2007-05-15
Last reply:
2007-05-15

can you tell whether the fan in the case is running or not?

Rod Stultz (stultzhome) said : #2

Don't have a case fan. The problem I am having is getting the CPU fan to run. It runs when I start up the computer but after it starts to load Ubuntu it stops and doesn't restart. The fan worked before I changed the CPU and I know the new fan worked in the old setup.

Cesare Tirabassi (norsetto) said : #3

If your CPU fan stops running you may have serious problems, perhaps its just spinning down as cpufreq sets a low CPU freq./voltage.
What CPU you have? Can you check what is the frequency at which it is running?

Rod Stultz (stultzhome) said : #4

It stops just after GRUB starts loading the system - just as the ubuntu screen comes up. It totally shuts off and doesn't run. I am running a Celeron 1300 which is running at its proper speed as far as I can tell. I am totally new to ubuntu/linux so I haven't quite figured my way around the OS yet.

Cesare Tirabassi (norsetto) said : #5

(I assume you are using Gnome)

Go to the top panel, right click on it and choose "Add to Panel...". Under System&Hardware select "CPU Frequency Scaling Monitor" and double left click on it.
You should now see the CPU frequency on the top panel. If you hover your mouse pointer over it you should also see the governor in use (it should be ondemand).
The minimum frequency is pretty low, should be 160 MHz.
Try using a cpu intensive software and see if the frequency goes up, and as the frequency goes up if the fan goes up too.
Be careful because if your fan really is not working you can burn your CPU .......

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