1
vote
0answers
60 views

Why my CPU of 2.1GHz clocks at 800mhz in Ubuntu 13.10?

I've a problem with my notebook DELL INSPIRON 1720. This notebook have a CPU Intel t8100 2.1GHz and it doesn't work perfectly. It works at 800MHz stable, like in power-safe. But when I change the ...
0
votes
2answers
2k views

“Kernel requires x86-64 CPU, but only detects i686” in an Intel Intel Core i7-2600k?

I have a VM installed in my windows 7 PC, and I want to install an Ubuntu 13.04 on it, as a new virtual disk. I have this machine: Intel Core i7-2600k CPU @ 3.40Ghz - 8 GB RAM - 64 bit operating ...
-1
votes
1answer
31 views

Which ubuntu 12.04.3 is best for Device lc2430i ? [duplicate]

Which Ubuntu version should I download for new Linux-certified laptop ? Device Name: lc2430i MEMORY: 3.8GiB Processor:3rd Generation Intel Core i5-3210M CPU @ 2.5GHZ X 4 (3MB L3Cache,2C+HT) OS TYPE: ...
3
votes
2answers
250 views

What temperature is considered bad for my processor? [closed]

I am using the unity Temperature sensor and I have an Intel® Core™2 CPU 4400. If you need more info I would be happy to include more details about my PC that could help. Thanks
1
vote
2answers
589 views

What is vPro, is it Linux compatible?

I saw that some of the Lenovo laptops have "vPro" processors, which enable special management features: ...
2
votes
2answers
2k views

How to set cpufreq governor to performance?

I am on Ubuntu 13.04 64-bit. I have heard that setting the cpufreq governor to performance will, well, increase performance. Unfortunately, I am a bit of a newbie at this sort of thing, and I am not ...
1
vote
2answers
3k views

Why is the Intel Turbo Boost Mode not running at maximum speed?

I tested CPU frequencies with either the Intel tool i7z and turbostat from the linux-tools package (sudo modprobe msr, sudo turbostat) and what I find as maximum frequencies for two different ...
0
votes
1answer
409 views

is intel turbo-boost option good for life-time?

here is intel-core-i-7 with 2.8 Ghz resp. 3.5 Ghz as turbo-boost option. with this question I refer to this link: Does Intel turbo boost work in Ubuntu? Is option of turbo-boost not harming the ...
2
votes
1answer
218 views

8 CPU and one is at ~100% all the time

With : Ubuntu Release 12.04 (precise) 64-bit Kernel Linux 3.2.0-29-generic Intel® Core™ i7-3635QM CPU @ 2.40GHz × 8 The first CPU is always at ~70%-100% with nothing big running and it is making ...
0
votes
1answer
338 views

Is the Atom Z2460 supported?

Couldn't find anything in the component database, I'm mostly worried about the PowerVR GPU it has. There are many Windows tablets using it and I was wondering if I could use 12.04 on it
3
votes
1answer
2k views

Why is Ubuntu detecting only one processor core?

My processor is Intel P6100 which is a Dual Core processor. When I do cat /proc/cpuinfo this is what get varun@varun-K52F:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu ...
3
votes
1answer
566 views

System monitor show 8 CPUs for my Intel i7-3820QM?

I have a new System76 Gazelle laptop with an Intel i7-3820QM CPU. My understanding was that this chip was a quad-core. If so, why does system monitor show 8 cpus?
0
votes
1answer
67 views

Why after a time of inactivity three cores of cpu go off?

I run ubuntu 11.10 on a Dell inspiron N4050 which has an Intel Core i3 CPU. After a time of inactivity sometimes few seconds, sometimes 2 or three miutes or even more CPU2 3 and 4 spike then go to ...
3
votes
1answer
530 views

Why does the system become laggy when connected to Internet?

Why when I connect my netbook to the Internet via LAN or Wifi does whole system becomes laggy? Even when in idle, the CPU monitor shows 100% usage when connected. I've had this problem about half a ...
1
vote
1answer
510 views

Cannot scale frequency of a Core i7 2720QM

I own a Dell Latitude E6520 with an Intel CPU (Core i7 2720QM). After installing cpufrequtils, I get the following message : cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009 Veuillez ...
4
votes
4answers
6k views

100% CPU usage in Ubuntu 11.10

I recently installed Ubuntu 11.10 with Unity to dual boot with windows 7 on my lap top. My laptop is running an Intel i7 quad-core and 8gb of RAM just as some background. I've noticed that when I'm ...
1
vote
1answer
355 views

One CPU shows up as 1200 Mhz and other 3 as 800 Mhz, is this normal?

I recently check my system information with ubuntu's app "System Profiler and Benchmark". And I get 1 CPU running at 1200 Mhz and the other 3 running at 800 Mhz. It's correct?, Intel Core i3-2310M ...
0
votes
1answer
1k views

Intel Core i5-2467M running hot on one core while the other keeps cool

I am running an Ubuntu 11.10 Beta2 Wubi installation on my Samsung 900x3a notebook. I had to try it with wubi because this darn thing just won't boot off usb drives (even using the port on the right ...