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    Memory upgrade problem Gateway NV55S20u

    Discussion in 'Gateway and eMachines' started by signtech, Oct 17, 2012.

  1. signtech

    signtech Newbie

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    Gateway Laptop model NV55S20u

    I’m trying to upgrade the ram memory from 4GB to 8GB, the memory I purchased has the same specs (DDR3 1333 Hynix 4 GB DDR3 RAM PC3-10600 204-Pin Laptop SODIMM) 2X4GB as the Kinston ACR256X64D3S13C9G installed from the factory. For some reason the laptop will not show any display, I tried one slot at a time and no display. With the old memory (2GB) powers up just fine, is there a certain procedure to follow for the laptop to read correctly the larger memory with this laptop?
    I tried one of the Hynix and one of the Kingston and it did power up, in the BIOS it reads 6GB installed, but in the OS (Windows 7 64-bit) it only shows the 2GB not the 6GB installed.
     
    signtech, Oct 17, 2012
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  2. TANWare

    TANWare Just This Side of Senile, I think. Super Moderator

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    More than likely the timings of the new ram are a no go. The slower older ram will get the bios to post the 4GB stick but if the ram does not like say the command rate then the OS may not see it thinking there is a hole at the 2GB limit. Now this is one of litterally a million possibilities btun for the limited information it is the most likely...........
     
    TANWare, Oct 17, 2012
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