0
votes
1answer
52 views

Respect BIOS-specified CPU speed without kernel patches, etc. in 14.04

I've got a machine running "in the wild" in a very hot environment running an AMD chip which is overheating. I don't have physical access to the machine, but I have had someone change the CPU clock ...
0
votes
1answer
102 views

Laptop fan speed too low when not docked

I'm using Ubuntu 14.04 on my laptop and things are great except that it gets quite hot sometimes. I'm using sensors (lm-sensors) to report temperature and fan speed. I run a Thinkpad T430s with Ivy ...
0
votes
1answer
330 views

Ubuntu 14.04 Kernel Update 3.13.0-30.55 made my Laptop CPU gets overheated

I just received an update to the linux kernel of Ubuntu 14.04 from 3.13.0-30.54 to 3.13.0-30.55. After I upgrade it the CPU on my laptop is around 70 to 80 Degree Celsius. while on the previous kernel ...
0
votes
1answer
189 views

How do I know my fan is working in Ubuntu

I just bought a brand new netbook and am worried the fan isn't working properly. lm-sensors does not detect a fan, I can't hear a fan, and can't feel air blowing out of the fan area. The netbook is ...
3
votes
1answer
262 views

Ubuntu CPU Fan at 2200 RPM and CPU top at 90°C

I have a problem with my CPU heat. I'm running Ubuntu 14.04 (64bit) and I have issues with the cooling. I know it might be a hardware issue, but I've checked, the fan is running and in my GUI I use ...
0
votes
1answer
381 views

CPU temperature is high on Ubuntu

So I have a machine which has both latest *Ubuntu and Windows 8 on it. On windows 8 my CPU temp is roughtly 26 degrees when idle. Now when I boot into Ubuntu, CPU temperature is suddenly 43 degrees ...
0
votes
0answers
279 views

Critical temperature reached for thermal thermal_zone0

I have my laptop (Dell Vostro 3350) overheating using Ubuntu (starting from 11.04 upto 14.04 distributives). In syslog I found the record when shutdown is occured: May 21 11:43:43 mobiled2 kernel: ...
0
votes
0answers
117 views

Asus G75VW cpu runs hot up to 70c, using Ubuntu

Any idea at all would be helpful. Specifications: Brand: ASUS G75 Series Model: G75VW-BBK5 CPU: Intel Core i7-3610QM 2.3GHz Screen: 17.3" Memory: 32GB DDR3 Hard Disk: 120 ssd 1TB Optical Drive: ...
0
votes
2answers
157 views

How do I Manually Limit CPU Usage? [duplicate]

I have an old laptop prone to overheating and a good solution I found was limiting it's CPU usage to below 50%. On Windows, I can do this by changing the power plan I am currently using, and altering ...
0
votes
0answers
192 views

Lenovo B590 shuts down unexpectedly

This seems like a duplicate but it is not. I have a Lenovo b590 which I bought 1 month ago. Yesterday, it started shutting down, At first, I thought it would be a software issue and I installed Ubuntu ...
1
vote
3answers
1k views

Sony Vaio VPC-EC Series, CPU Temperature very high.

I know this has been asked quite a few times before, but after some intense research I still could not fix my CPU problems. I'm running Ubuntu on a Sony Vaio from the VPC-EC series. Under windows 7 ...
0
votes
4answers
684 views

CPU overheating (Acer 4730z + Ubuntu 12.10)

After using the pre-installed Windows Vista on my Acer Aspire 4730z for over 4 years, I decided to switch to Ubuntu. I installed a brand new SSD with Ubuntu 12.04, which I later upgraded to 12.10. ...
5
votes
2answers
629 views

fancontrol on no pw-capable machines

I've installed Ubuntu 13.4 on my Alienware m14x and noticed one thing, cpu gets as high as 70 degrees centigrade (with nothing resourceful running) and cooler doesn't respond to that, just stays calm ...
4
votes
3answers
4k views

Dropbox very high CPU usage without any actual data transfer

The Dropbox process constantly clocks more than 50% CPU usage sometimes going up to the higher 80s and 90s. At the same time it does not even upload/download the files it is supposed to. The progress ...
1
vote
0answers
248 views

High CPU temperature when using GNOME

I have ASUS Extensa 4220 laptop.If I install Kubuntu (any KDE-based), then the CPU temperature looks normal for a long time (now it is 74 degree Celsius). But when I install GNOME-based distros, then ...
3
votes
3answers
6k views

Overheating problem on Ubuntu 13.04

I have recently upgraded Ubuntu to 13.04. Since this time I have overheating problems with CPU and graphic card. I also can't use fglrx drivers, because Ubuntu does not work properly, so I use the ...
3
votes
1answer
410 views

Very High CPU usage on HP dv7 Laptop when IDLE

I'm pretty new to Linux computing. So I finally thought of giving Ubuntu a try, by dualbooting it with Windows 8 on my hp dv7-6006tx laptop. Laptop Specs But after installation, I immediately ...
1
vote
1answer
469 views

CPU Fan not working on acer 4755G i3 ubuntu 12.10

Hope you can help me, I'm new to ubuntu and install this 12.10 version on my acer laptop. The problem is I always got high temperature and maybe because my CPU fan is not working. Tried to install ...
0
votes
0answers
156 views

Limit overall cpu usage Ubuntu 12.04 [duplicate]

Possible Duplicate: CPU frequency scaling for 12.04? I was wondering if there is a way to limit the total cpu usage percentage? I know that you can limit the usage per process with cpulimit ...
3
votes
0answers
3k views

Fan always on and overheating problems on HP G62

I have a HP G62 with i5 processor, 4G Ram and ATI HD 5470. Started using Ubuntu 4 months ago, first was 11.10 and after 12.04. Everything worked perfectly until some weeks ago when my cpu fan became ...
0
votes
3answers
978 views

Does ubuntu reduce CPU usage due to overheating?

I have been running for a day at 100% CPU and suddenly seems that for the same tasks as before its usage has been limited to 50%. I suspect that overheating may be the cause. I am using 11.10. Is ...
2
votes
3answers
1k views

Acer 5749 laptop is overheating

I have an Acer 5749 laptop with core i3 CPU. I have migrated to Ubuntu 12.04 and am experiencing a serious problem: My laptop gets really hot when I use Ubuntu. I didn't have this problem with Windows ...
1
vote
2answers
3k views

CPU High temperatures 12.04

Hi I have a Acer Aspire 4530 With a AMD Athlon(tm) X2 Dual-Core QL-62 × 2 prossesor. I installed Ubuntu 12.04 and now my laptops temperatures are realy high specially when using flash. This is one of ...
0
votes
1answer
525 views

Intel CPU whine

Since I installed ubuntu 12.04 I started hearing cpu whine again. It's really loud and annoying. I tried setting max_cstate to 2, didn't help. On windows I remember muting the microphone - that fixed ...
1
vote
3answers
1k views

Overheating on Dell Studio XPS 1645

So I was wondering if anyone else has come upon this problem, and/or has come up with a solution. When I use my Ubuntu partition, my computer becomes extremely hot, and the fan runs very noisily for a ...
0
votes
2answers
6k views

HP Pavilion G6 1209 temperature higher than usual and fan working in 11.10

Installing Ubuntu on this new machine i had various problems, so I asked around ask ubuntu for a solution. This is the latest one! :D When I start the pc it shows the temperature around 50-55. When I ...
9
votes
4answers
7k views

What can I do to prevent Ubuntu from overheating my Notebook?

I have an easynote tj65 (2.1 ghz dual core with Geforce GT240M) running Ubuntu 11.10 and Windows 7 in dual-boot-mode. While Windows 7 doesn't have any comparable issues, Ubuntu is making my notebook ...
6
votes
5answers
8k views

High Idle CPU temperature under Ubuntu, but not Windows

I have a Dell Inspiron Mini 1012 running Ubuntu 10.04 and Windows 7 Starter in a dual-boot configuration. The CPU runs much cooler in Windows than it does in Ubuntu, even when the CPU has been ...