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I have Dell laptop and one week ago I replaced Windows 10 with Ubuntu 14.04 LTS. Ubuntu is working slow on my system i.e. in booting, shutdown, opening any application. My system specifications are:

  • 8 GB RAM
  • 1 TB HDD
  • 2 GB Graphic Card (Nvidia-Geforce)

In windows, I had played lots of higher graphics games and it had been supported by system; but in Ubuntu, a Chromium browser taking time to load.

Gaurav
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  • First make a clean install of ubuntu again, than make sure you have installed proper drivers for the specs your pc has. and are you sure you have installed amd64 version? – biozalp Nov 21 '15 at 13:39

2 Answers2

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As biozalp mentioned you should make sure you have the 64-bit version check with

System Settings->Details->OS Type

You should install the 64-bit version, if it shows you have the 32-bit one

it's very probable that you have nvidia optimus! check with the below terminal command, its shows all your graphics cards on the system:

lspci | grep VGA|3D

If it shows 2 graphics cards, then you have nvidia optimus.

if you have Nvidia Optimus: then you should follow the below instructions to install the drivers properly in the answer here!: Nvidia Driver and Heating Problem

Community
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philsegeler
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Check your enabled services and disable those you don't use. You can use tools for checking services like sysv-rc-conf or use the update-rc.d command.

Regards,

lgallard
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  • A clean install should not work "slow". I doubt if this answer will be of any help to the OP without guidance on what he should disable. – Requist Nov 21 '15 at 14:29
  • Without knowing what services are running you can't recommend what to disable. And it will depend on what services he needs, therefore I suggested him to check all services and disable those he considers not in used. But the way I didn't recommend a clean install. – lgallard Nov 21 '15 at 15:25
  • He just installed the system a week ago, so that is pretty clean. You indeed do not know what is running but a fresh system with the described specs should just run smoothly and does not need lowering in resources. – Requist Nov 21 '15 at 15:58