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#1 2010-10-13 09:25:25

panthe0n
Member
From: Noo Zulund
Registered: 2010-09-27
Posts: 33

Laptop fan problem

When I turn my laptop on (Toshiba Satellite Pro L300) the fan doesn't do anything. It only starts working when the bottom of my laptop gets really warm, and then after that it doesn't stop until I power down my system. I'd like to get this sorted as I'm afraid that my laptop will get too warm and burn out my CPU or something.


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#2 2010-10-13 10:27:04

Varg
Member
From: Belgium
Registered: 2010-07-07
Posts: 272

Re: Laptop fan problem

I had the same problem, add acpi_osi="Linux" to your grub menu.lst like this:

 kernel /vmlinuz26 root=/dev/sda6 ro vga=791 acpi_osi="Linux"

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#3 2010-10-13 12:27:11

panthe0n
Member
From: Noo Zulund
Registered: 2010-09-27
Posts: 33

Re: Laptop fan problem

Varg wrote:

I had the same problem, add acpi_osi="Linux" to your grub menu.lst like this:

 kernel /vmlinuz26 root=/dev/sda6 ro vga=791 acpi_osi="Linux"

And how do I do that exactly? Sorry.


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#4 2010-10-13 13:29:13

Varg
Member
From: Belgium
Registered: 2010-07-07
Posts: 272

Re: Laptop fan problem

The file is located at /boot/grub/menu.lst. Open it as root with a text editor ( nano ), scroll down a bit until you find the boot sections. Then type or paste the piece at the end of the line that says 'kernel'.
example from my menu.lst:

# (0) Arch Linux
title  Arch Linux
root   (hd0,4)
kernel /vmlinuz26 root=/dev/sda6 ro vga=791 acpi_osi="Linux"
initrd /kernel26.img

# (1) Arch Linux
title  Arch Linux Fallback
root   (hd0,4)
kernel /vmlinuz26 root=/dev/sda6 ro
initrd /kernel26-fallback.img

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#5 2011-01-01 22:07:12

maddinac
Member
Registered: 2010-12-29
Posts: 3

Re: Laptop fan problem

I use grub 2. How can I fix the problem their?

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#6 2011-01-02 15:35:37

MadTux
Member
Registered: 2009-09-20
Posts: 553

Re: Laptop fan problem

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#7 2011-01-02 16:16:25

maddinac
Member
Registered: 2010-12-29
Posts: 3

Re: Laptop fan problem

Ok, thanks.
I guess since I do not want to add a new entry, I have to change the original config file. But there is no line that begins with "kernel".
The entry looks like this:

menuentry "Arch (on /dev/sda7)" {
    insmod part_msdos
    insmod ext2
    set root='(hd0,msdos7)'
    search --no-floppy --fs-uuid --set 0e308683-953f-426e-996e-999648b6af34
    linux /boot/vmlinuz26 root=/dev/sda7
    initrd /boot/kernel26.img
}

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#8 2011-01-02 16:27:56

MadTux
Member
Registered: 2009-09-20
Posts: 553

Re: Laptop fan problem

The kernel line you want to edit begins with "linux".

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