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    Memory upgrade won't take

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by dave.h, Apr 2, 2009.

  1. dave.h

    dave.h Newbie

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    Dell Latitude D620: I've replaced two 512MB cards with 2GB DDR2-533 SO-DIMM modules, but only one card (A) is recognized in system memory for a total of 2GB. Performance is better, but obviously I want the full 4GB capability that Dell certifies. Took it to a local techie who made no headway swapping cards, verifying socket viability, etc. Everything checks out okay but I'm stuck at 2GB. Any ideas out there?
     
    dave.h, Apr 2, 2009
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  2. es0teric

    es0teric Notebook Guru

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    do you know if your system has the most current BIOS available for that specific model?
     
    es0teric, Apr 2, 2009
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  3. BJ1888

    BJ1888 Notebook Guru

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    are you sure that both modules work? make sure the machine boots with each one installed by itself first.
     
    BJ1888, Apr 2, 2009
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  4. sgogeta4

    sgogeta4 Notebook Nobel Laureate

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    Put 2GB stick 1 in slot 1. Does it work? If it does try 2GB stick 2 in slot 2. If that works then you need to update your BIOS to see if it supports 4GB. If one stick/slot combo doesn't work, put the stick that worked in the slot that didn't work, ie. if stick 2 in slot 2 doesn't work, put in stick 1 in slot 2 (to test whether or not it is the slot or the stick is defective) -> if stick 1 in slot 2 works, then stick 2 is defective (you can confirm this by putting stick 2 in slot 1), else if stick 1 doesn't work in slot 2, then slot 2 is messed and you're screwed (you have to replace motherboard to fix it).
     
    sgogeta4, Apr 2, 2009
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  5. Tippey764

    Tippey764 Notebook Deity

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    Try both sticks in the working slot. If they both work then try a 2gb stick in the working slot and a 512mb stick in the other slot. If that works try to update your bios. Try again. If it still dosent work then you may need to reinstall your Operating system. By the way does it pick up 4gb's of ram in the bios?
     
    Tippey764, Apr 2, 2009
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  6. stevezachtech

    stevezachtech Notebook Evangelist

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    Maybe the other slot is dysfunctional and your system can't detect the other new RAM stick... I have experienced that before.
     
    stevezachtech, Apr 6, 2009
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