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    Lenovo x220 slower after upgrade to 8 gb kingston hyper x?

    Discussion in 'Lenovo' started by Kevlarex, Sep 16, 2011.

  1. Kevlarex

    Kevlarex Newbie

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    I upgraded to 1600 mhz kingston hyper x, boot time reduced by 10 seconds, but while multitasking, laptop seems to hang a lot.

    Cant find option in BIOS to change RAM frequency or speed.

    Also,battery life seems to have reduced moderately.
     
    Kevlarex, Sep 16, 2011
    #1
  2. John Ratsey

    John Ratsey Moderately inquisitive Super Moderator

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    How much RAM did you have previously and how much spare disk space do you have? Increasing the RAM will increase both the default size of the swap file and the hibernation file. I would manually fix the swap file size to 2 or 4GB.

    John
     
    John Ratsey, Sep 16, 2011
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  3. david1274

    david1274 Notebook Evangelist

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    Is this something that we all should do with 8GB ram, john?
     
    david1274, Sep 16, 2011
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  4. Kevlarex

    Kevlarex Newbie

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    I had 4 gb( 1 x 4 gb), I upgraded to 8 gb.

    How do I fix the swap file size?
     
    Kevlarex, Sep 16, 2011
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  5. david1274

    david1274 Notebook Evangelist

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    david1274, Sep 16, 2011
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  6. Colonel O'Neill

    Colonel O'Neill Notebook Deity

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    Colonel O'Neill, Sep 16, 2011
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  7. John Ratsey

    John Ratsey Moderately inquisitive Super Moderator

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    I doubt it is that problem - the W520 has 4 RAM slots.

    Regarding the swap file (virtual memory), Windows assumes that the more RAM you have then the more virtual memory you need. In reality, unless users are running multiple virtual operating systems or a few RAM-intensive specialist programs, they are unlikely to ever use up 8GB of physical RAM. In this case a nominal 2GB is plenty. Any fixing the size avoids the problem of progressive fragmentation which is an issue for those with HDDs. Here's a utility for defragging the swap file.

    John
     
    John Ratsey, Sep 17, 2011
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  8. Iucounu

    Iucounu Notebook Consultant

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    I have a 0 MB paging file, and it's worked fine for me. Think of it this way: when you run 8 gigs of RAM, you generally have more physical memory than you would have had physical + virtual in the old days with less RAM.
     
    Iucounu, Sep 17, 2011
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