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I use Kali Linux since my first pc and the first version I used version 2017.1 and later updated to 2017.2, then I switched to 2018.3 . That's where I found that my system was getting sluggish. I have done everything to fix it: I installed the latest version 2018.4 is the disaster, I formatted my disk and reinstalled version 2017.2 but nothing changes.

The cursor stops from time to time when I seize and this during 5 or 6 seconds, when I try to close a document or a web page it takes 5 or 6 seconds before closing, when I scroll the scroll bar in a site it takes 5 seconds or more before moving; In short, everything I try to do takes time before executing.

What should I do? Where can the problem come from? of my computer? or the system? do I have to reinstall the 2016.2 version of my system?

My computer is a fujitsu series with 8GB of RAM and 500GB of hard disk with intel core i5 processor.

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  • I use kali come versatile system for almost 3 years and it is quite recently that this problem appears – Mavis Nov 14 '18 at 16:30
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    This may be the first kali related question that has some validity. – ctrl-alt-delor Nov 14 '18 at 16:37
  • any harware problems in log ? strange noise ? those symptoms are those before my windows broke down on disk fault. – Archemar Nov 14 '18 at 17:44
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If you have totally wiped hard-disks and re-installed the some old OS (that worked before). Then all that is left is hardware (as all software was wiped). A common fault is dust in the fans, causing an over heat.

However this is not the place to get hardware advice. (Though it is the place to ask the question, that leads to that answer.)

I would double check, by trying a live Debian USB/CD. If that does not work, then get some hardware advice.

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