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    [Help!] Asus K43TK problem when upgrading RAM

    Discussion in 'Asus' started by nubitol, Mar 30, 2013.

  1. nubitol

    nubitol Newbie

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    Hi guys,

    I'm using Asus K43TK notebook, with specification:
    - CPU: AMD A6-3420M
    - Graphics: Radeon HD 6520M/7670M
    - RAM bawaan: Hynix DDR3 2GB PC12800
    - OS: Win7 Ultimate SP1 64-bit

    Next, I upgrade the RAM with Corsair DDR3 4GB PC12800.

    BIOS detects total memory capacity as 6 GB.
    But Windows says only 2GB is usable (see picture).

    mem.JPG
    mem2a.jpg

    What's the matter with my notebook?
    How do I make use of total 6GB memory?

    Thanks in advance~