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2gb of ram installed but only showing 512mb

  • 05-03-2013 5:32pm
    #1
    skits08
    Registered Users, Registered Users 2 Posts: 20 ✭


    Hi,

    I recently upgraded an old dell computer I had. I installed windows 7 and its working fine apart from being a bit too slow. There was only 512mbs of RAM installed so I took it out and put in a 2gb instead, however it only shows 512mbs of the 2gbs. HELP


Comments

  • #2
    Torqay
    Closed Accounts Posts: 5,835 ✭✭✭Torqay


    Which model? Are you sure, you have installed the correct type of memory?

    Do you get a warning that the amount of memory has changed after the POST screen (DELL logo)? If so, you must go into the BIOS (F2) and save the new configuration (just exit).


  • #3
    coylemj
    Registered Users, Registered Users 2 Posts: 25,620 ✭✭✭✭coylemj


    Even with 2GB I'd be reluctant to install Win7, what version was there before?


  • #4
    skits08
    Registered Users, Registered Users 2 Posts: 20 ✭skits08


    It was windows xp before. I'm not sure if it was the correct type of memory. It's DDR2 667MHZ PC PC-5300 that I put in. Before it was DDR2-800 400MHZ.

    I got no warning in the BIOS and can't change any memory settings in it


  • #5
    Stuxnet
    Registered Users, Registered Users 2 Posts: 3,739 ✭✭✭Stuxnet


    what made you choose the ram you used, they are not all the same, and are often system specific, especially on older hardware

    try here to see what exact type you need, and what you can max out your laptop with

    http://www.crucial.com/eu/


  • #6
    Merl1n
    Registered Users, Registered Users 2 Posts: 251 ✭✭Merl1n


    you should check the dell website for a bios upgrade
    that's a good start

    you can check what memory is compatible with your system on memoryc.ie it will should max chip size per bank


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  • #7
    Torqay
    Closed Accounts Posts: 5,835 ✭✭✭Torqay


    skits08 wrote: »
    It's DDR2 667MHZ PC PC-5300 that I put in. Before it was DDR2-800 400MHZ.

    That's your problem right there.

    Google your model followed by crucial, for example:
    Inspiron 1525 crucial

    The Crucial website will tell what type of memory is suitable., if 667 MHz is listed, maybe a BIOS update will help.


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