0
votes
0answers
217 views

Control CPU fan speed when mainboard only has 3-pin connector?

My CPU cooler has a 4-pin connector and its fan speed can be controlled but my motherboard only has a 3-pin connector. There's no options to control cpu fan speed in BIOS. Is there another way? I'm ...
0
votes
0answers
35 views

Battery & Fan issue

System ASUS N56VJ Ubuntu 14.04 - 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Issue: Sometimes when I start up my laptop, the fan turns on at full ...
3
votes
2answers
327 views

High fan speed with no reason

For a few weeks, the fans of my Lenovo B590 laptop, running on Xubuntu 14, turn to high speed a few minutes after it is turned on. The fans won't speed down until I turn the computer off. This is ...
0
votes
0answers
312 views

Cannot control fan in ubuntu 13.10 thinkpad edge e531

I am having trouble with my fan on my Lenovo thinkpad laptop. I have installed lm-sensors and ran sensors-detect and also added option fan_control=1 as a module parameter. The issue is two-fold. ...
0
votes
2answers
96 views

How to silence a notebook the second-most radical way? Performance does not matter

This sounds like a rather general question, but I did not find specific advice if one is eager to sacrifice performance for this task. The case: I am writing a thesis, and I need complete silence for ...
1
vote
1answer
296 views

CPU Thermal Margin is very low

My computer is restarting unexpectedly for some days. First I though Its an os issue. I gone through all the sys log and didn't find any clue. Then gone through bios event log. Nothing was there too. ...
0
votes
0answers
82 views

Overheating iMac(2008) with kubuntu 12.04

I have an 24 inch iMac from 2008 and I installed Kubuntu 12.04 on it. The problem is: if I' m running and CPU-hungry program(Android Emulator, Virtual Box), the CPU goes to 80C. Also the screen is ...
0
votes
1answer
38 views

Dozens of spontaneous reboots

I am working on a SUSE Linux based system that runs 24/7 and has done so for around 3 years although I cannot say that it has not been rebooted in that time. At 9th June there apparently was some sort ...
0
votes
1answer
3k views

All fans spinning at maximum speed with Linux

I installed Fedora 18 on my desktop computer and I've got an issue. All the fans are all the time spinning at maximum speed. Like, you know, when my computer boots they are too, which is normal ...
3
votes
7answers
13k views

Laptop fan is always ON using Linux Mint 14

I'm using Linux Mint 14 Cinnamon 64-bit. I have a problem with the laptop fan always staying on. Details of the laptop and readings taken: Linux core-Inspiron-N7010 3.5.0-17-generic #28-Ubuntu SMP ...
3
votes
1answer
627 views

Notebook fan spinning at max after trying Linux

I have a Thinkpad T420 (4178-BSG) I use with Windows. The fan (cpu) was always very quiet and I was completely satisfied with it. A few days ago I booted Backtrack Linux from a flashdrive and the fan ...
2
votes
3answers
3k views

Check that Laptop Fan is Functioning Correctly on Linux

I just completely disassembled and reassembled my Dell Studio 1555 laptop. I had to remove the hard drive, WLAN card, unplug optical drive, display connector, even the motherboard to get to the fan. ...
0
votes
2answers
215 views

How can one identify the fan model and other fan specs within Linux?

I know I could disassemble my laptop to find this information, but I was curious if I could find it in the /dev or /proc directory, or from a shell command. There was no fan information in /proc/acpi ...
2
votes
3answers
3k views

Ubuntu/Toshiba Fan Speed Issue

I am using Ubuntu 11.10 AMD64 on my Toshiba laptop (L505D-S5965). After I boot into the OS, my fan works perfectly being mostly quiet. Recently, I noticed that whenever I resume from system ...
2
votes
3answers
2k views

Set fan speed by RPM on Thinkpad T420s in Linux

The only interface I've found for setting the fan speed with the thinkpad-acpi module, is setting pre-defined levels, 0-7. Example: sudo su -c 'echo "level 2" > /proc/acpi/ibm/fan' I would like ...
4
votes
2answers
5k views

How do I get my CPU fan to stop spinning when idle?

I have a PC which I built ~3 years ago which had been running smoothly and silently until recently. Now, the CPU fan likes to spin up to 1200-1500 RPM even when it's idle, which is rather annoying. ...
3
votes
2answers
2k views

Linux: how to stop fan programmatically?

My system doesn't reacts at writing values below 255 to /sys/class/hwmon/hwmon0/device/pwm(2,3) which correspond to 3-wire case fans connected via M/B (ga-890gpa-ud3h) headers. The idea was taken from ...
0
votes
1answer
852 views

Which Linux kernel modules are related to heat, fan speed, and power management

Which Linux kernel modules are related to fan speed, temperature monitoring and power management. The goal of my question is to provide a starting point for understanding which Linux kernel modules ...
4
votes
4answers
2k views

Is CPU fan running continuously on a laptop a problem?

I have dual boot on my machine - Windows Vista and Fedora 12. I have noticed that while I am on Vista, the fan runs only intermittently, but while I am on Fedora, it runs continuously. I have tried ...
2
votes
1answer
3k views

How to control fan speed on Compaq Presario under Ubuntu?

I have a Compaq Presario R4000 running Ubuntu Linux 9.10 karmic. The system runs very hot and one of the fans is wither never running or always running at the slowest speed. For a while I thought the ...
2
votes
2answers
274 views

Monitoring systems fans and temperatures

I am trying to use GKrellM (http://members.dslextreme.com/users/billw/gkrellm/gkrellm.html) to monitor my system's fans/temperatures (I am trying to undervolt the fans a bit to make the systems ...