My laptops model is ASUS VivoBook 510UQ 8gb Ram 128GB SSD + 1TB HDD.. But after installing Ubuntu, this OS not running fluently. Some time happened lag. How can i fix this? I'm using only Ubuntu in my PC.

  • The issue you described could be caused by plenty of things such as: - HDD/SDD hardware issues - OS is installed on a slow HDD instead of SSD - The system gets overwhelmed by software you run simultaneously Just to clarify is this a fresh install? – skoch13 Mar 22 at 14:04
  • Have you tried to check the clocks of your CPU? Check this link to see how: askubuntu.com/questions/218567/… – user825380 Mar 22 at 14:20
  • Firs thing to do is to open some performance/process monitor and see if something is hitting a maximum: CPU, RAM... and if so to determine which process(es) is(are) using all that resource. – xenoid Mar 22 at 23:13
  • Diagnostic tools are included with Ubuntu: Open a terminal and run the top and free applications during a sluggish period. If you need help understanding their output, then add the output to your question. – user535733 Mar 23 at 1:31

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