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Orcris
Asked: 2012-07-04 18:53:20 +0800 CST

Why isn't Ubuntu detecting all of my RAM?

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I just upgraded my netbook from 1 gb of RAM to 2, but when I type free -g, it only says that I have 1 gb. How do I get it to detect all of my RAM?

upgrade

1 Answers

  1. Best Answer

    If you use free -g it show your memory round to non decimal numbers. Because of this it shows you just 1GB.

    An example: I have 8GB of ram:

    1. free will show "8167800"
    2. because it divides with 1024 free -m will show "7976"
    3. free -g will show "7" because it divides with 1024*1024

    So free -g is not really helpful if you have the typical among of memory for a PC.

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