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My laptop has a 4G ram and 500G hard with the Intel core 2 duo but Ubuntu is very very slow in my laptop I try Ubuntu studio Ubuntu 14.04 Ubuntu 14.10 Ubuntu 15.04 instead Windows operation work perfectly fine even window 8.1. When i use Firefox and search in net the OP going slower than before and CPU process still in 100%... enter image description here

I find this page and in that says for processor :

Processor Works Some kernel versions need thermal.psv=-1

But is can't fix the problem and can't find thermal.psv=-1

My laptop is Asus N51VN

------------------------------------ update in (6 , April , 2015)

I try Xubuntu and Fedora but the problem still there... in Xubuntu and XFCE speed a little bit better but in heavy use operation cams to process slow, in Fedora I find the graphic card is not installed... my Graphic card is :

Nvidia Gforce 240M

how can find and install properly graphic card in both of ubuntu and fedora?

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  • Try Xubuntu and see if it's just your video compositing for Unity hitting processor instead of the GPU. Mar 10, 2015 at 10:49
  • I'm using xfce and nothing change, I like to use unity ...
    – hemedani
    Mar 10, 2015 at 11:10
  • Please check your CPU usage with the terminal command top instead of system-monitor. It takes many resources just for displaying that CPU graph, at least on my system with Intel Centrino Duo 2x2.0GHz...
    – Byte Commander
    Mar 10, 2015 at 11:14
  • I try 'top' almost firefox and compiz take the hole of process
    – hemedani
    Mar 10, 2015 at 11:23
  • Compiz is specific to Ubuntu's desktop environment Unity. You will not have that when you use xfce for example (I think).
    – Byte Commander
    Mar 10, 2015 at 11:46

2 Answers 2

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Many installations get paralysed by "tracker", a useless tool blocking 95% of ressources for quite a while. In a terminal invoke "top" to find if thats the reason. Kill the tracker processes and check back. Find more about this bloating tool on your search engine. As mentioned before: Do avoid Gnome! Use XFCE4 or LXDE. I use even much older Laptops with it having great performance experience.

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find graphic card drivers because it looks like your cpu is doing all the work. I'm using ASUS N55S and my CPU is usually 5% or 10%. The Ram was a bit unnerving as it registered at 100% but that is how Linux works it keeps 100% ready for you.

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  • For install graphic driver I have to go to Software & update and go to Additional Driver tab and select one of Driver that's offer to me?
    – hemedani
    Mar 11, 2015 at 5:20

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