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I did a fresh install of xubuntu 14.04, 64bit, on my Kingston (ssdNOW 300), and OS is running slowly, occasional "temporary" freezes.

Here is my hardware:

  • Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz, 1197.000 MHz
  • FC Gigabyte GA-P55-UD3 motherboard
  • G94 nVidia Geforce 9600 GT
  • 4GB ram,

I am also using two monitors.

I also have dual boot option, with win8.1 being on physically separate disc.

When I login the whole screen is a bit noisy (random pixels, random colors), for a minute or so. Then the desktop loads and looks fine.

I expected xubuntu to run extremely fast, but it freezes sometimes even during simplest tasks like saving a gedit file, writing some text in the terminal. Applications very often "stop working properly" and want to close. After I click cancel, they continue to work ok... for some time and than freeze again. I suspected nVidia graphic card, installed drivers from "additional drivers", rebooted and well, the whole thing slowed down even more.

Did anybody have similar issues?

I am getting quite desperate here.

  • What version of the proprietary drivers are you using? Also try updating the BIOS/UEFI just in case. – QwertyChouskie Mar 2 '16 at 16:22
  • Can you try the integrated graphics instead of the Nvidia card – Suici Doga Mar 4 '16 at 7:55
  • @user4901968: i am using Vendor: Award Software International, Inc. Version: F9 Release Date: 06/23/2010 – MrChris Mar 4 '16 at 16:25
  • at the moment i am using: X.Org X server -- Nouveau display driver from xserver-xorg-video-nouveau(open source) In the meantime i switched to nVidia binary driver version 340.96 from nVidia 340(proprietary, tested), but it didnt make much of a difference, so i switched back. – MrChris Mar 4 '16 at 16:34
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    check smartctl -l error /dev/sdXY for disk problems – jet Mar 4 '16 at 16:59
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Ok, so the problem was apparently my second hard disc, on which i installed my /home directory. The disc didn't report any errors with smart scan. Something was wrong with it's response time.

How could i have detected this? Trial and error saved me this time.

I unmounted my second hard drive just in case, and moved my /home directory to my solid state disc. It works extremely fast now.

Thanks everybody, for your suggestions and time.

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+50

Restart your graphic card install

On screen login: Alt+Ctrl+F1

your login and your password

sudo apt-get remove --purge fglrx*

sudo dpkg-reconfigure xserver-xorg

Alt+Ctrl+F7
  • +50 Because you tried to find a solution. – Parto Mar 9 '16 at 15:30

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