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Thread: Ubuntu runs very slow !!

  1. #1
    Join Date
    Nov 2018
    Beans
    1

    Exclamation Ubuntu runs very slow !!

    Hi guys ...
    I am new to Ubuntu. I recently decided to let go of my windows and install Linux Os as the Main Os. I found many of my friends , colleagues , and other people in many
    fields that tell me a lot about Linux and then i became admire of the idea to install it. After installing Ubuntu successfully and log in , i face a series & difficult problem
    which is Ubuntu SLOW in everything . for example , to open a Terminal it take 5 to 6 seconds to open ! the OS doesn't run smoothly as i was told . Every program or even
    a browser life Firefox take some to time to open and lagging . Also When typing on Keyboard it lags . I am very disappointed and I don't have another word to describe
    the shock . Well i really want to solve this issue as soon as i can so i can discover Linux world .

    Here the Specs of My Laptop :
    System Manufacture & System Model : Dell Inspiron 15-3542
    Processor : Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz (4 CPUs), ~2.0GHz L3 Cache Size : 4 MB
    BIOS : Legacy
    Memory : 8192 RAM DDR3
    Graphics & Display : Intel(R) HD Graphics Family - Adapter String : Intel(R) HD Graphics 4400
    Dedicated Video Memory : 128 MB - Shared System Memory : 1792 MB - Total Available Graphics Memory : 1920 MB

    Nvidia GeForce 840M Memory : - Size : 2048 MB - Type : DDR3
    Screen Resolution : 1366 x 768

    HDD Hard Disk 1 TB

    Well , i don't know if this information enough or not but pleeeeease Help me why Linux Os runs Slow
    One of My friends told me to run this Command in the Terminal ( top ) and i did and then found that there are programs or services i don't really know but it consumes
    all the CPUs like Xorg and others .. also when i open Firefox it consume a lot of CPU .. i don't know why !! in general anything i open consume from 5 % to 20 %
    I will appreciate any Help and i will do anything to make Ubuntu fast as Windows
    many told me that Ubuntu Should runs Super fast on your laptop and i also read that Linux is way faster than windows , then how ?
    my recent os Windows 8.1 Pro runs very smoothly without problems
    that's all guys i hope you help me solve this problem

  2. #2
    Join Date
    Mar 2010
    Location
    Squidbilly-Land
    Beans
    15,097
    Distro
    Ubuntu Mate 16.04 Xenial Xerus

    Re: Ubuntu runs very slow !!

    The integrated GPU on that system is weak. If you want a faster experience, install and use a lighter DE rather than Gnome3 or Unity or KDE.
    XFCE, LXDE, Mate would be recommended. You don't need to reinstall the OS, just logout, click the "gear", choose a different DE and login again.
    Of course, a newer GPU would help.

    For sharing specs, the inxi -Fz command is helpful. It provides the core data needed to be helpful. For example, you didn't say which OS release. The default GUI completely changed with 17.10 and later releases.

  3. #3
    Join Date
    Sep 2009
    Location
    Pennsylvania
    Beans
    2,007
    Distro
    Xubuntu

    Re: Ubuntu runs very slow !!

    Sounds like the Intel GPU only is being used and not the Nvidia. I, however, do not know how to make it use the Nvidia card: someone else will have to jump in here.

  4. #4
    Join Date
    Mar 2010
    Location
    Squidbilly-Land
    Beans
    15,097
    Distro
    Ubuntu Mate 16.04 Xenial Xerus

    Re: Ubuntu runs very slow !!

    Quote Originally Posted by Autodave View Post
    Sounds like the Intel GPU only is being used and not the Nvidia. I, however, do not know how to make it use the Nvidia card: someone else will have to jump in here.
    Google found this: https://help.ubuntu.com/community/Bi...erHowto/Nvidia

    If the system has a discrete GPU, definitely get that working. Even if you don't choose to keep using Gnome3 or Unity, the performance improvement would be significant with LXDE/Mate/XFCE too.

  5. #5
    Join Date
    Jan 2017
    Location
    Central Saskatchewan, Can
    Beans
    42
    Distro
    Ubuntu

    Re: Ubuntu runs very slow !!

    My setup had similar problems of running slow, very slow at the log in screen where the cursor couldn't keep up to where I slid my rodent, the log in pass word was type one character every 3-5 seconds to let the sloth keep up and basically it was do a complete system update, remove improper drivers of my GPU, and reinstall the proper drivers. What a difference including crashing of certain programs etc. is gone.

    https://ubuntuforums.org/showthread.php?t=2400219

    Drivers and software not updated brings a system down to it's knees

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