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I've just installed ubuntu 16.04LTS and my laptop is taking too much time to start I have HP laptop, Intel coreI3 processor 4gb ram NVIDIA graphics card, and while opening 2-3 applications, it is lagging, is my RAM not getting used?

RAM may be not getting used, not sure help me fix it, Thank you for your time

anand mbs
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    Please check the output of free -h when you're in a situation that makes you think your RAM is not used fully. [Edit] your question to paste it and we can help you to interpret the result. – Byte Commander Jul 17 '16 at 13:25
  • If you mean that swap is getting used a lot and RAM does not check already answered question on this link – iuuuuan Jul 17 '16 at 11:21

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  • To investigate the cause of the boot duration, please create a boot chart.

  • For the slow graphics performance you should install Nvidia's proprietary graphics drivers from the Additional Drivers application.

  • Your RAM is definitely being used. A lack of RAM may lead to performance issue but 4 GiB should be plenty. If you're still concerned look at the output of:

    LC_MESSAGES=C free -h

    The value in the line labelled “Mem” and the column labelled “free” should be quite low (< 1 GiB) if you have been using your computer for a few hours. If it isn't, that just means that your usage doesn't require that much memory.

David Foerster
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