Question about Gateway M-6866 15.4" Widescreen Laptop Blue PC Notebook

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No display after upgrading RAM

I had two 512 MB sticks of RAM in a Gateway laptop running Vista. I tried replacing them with two 2 GB sticks of RAM. When I did this, I started the computer and there was no display. I took one of the sticks of 2 GB out and replaced it with one of the 512 MB sticks and it worked fine. I checked and it was recognizing both sticks. I shut down and replaced the 2 GB stick with the other 2 GB stick to make sure they were not faulty and that 2 GB stick seemed to work also.

My question is why do I get no display when using both 2 GB sticks together?

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  • Adam Austin Dec 24, 2008

    Yes it is DDR2.

  • Anonymous Jan 16, 2009

    mine's an acer laptop and it behaves in exactly the same way. However, once it boots into vista (am now trying xp), the display appears - i just have to take out 2gb every time i need to access the boot menu options. Ubuntu works fine!

  • JDTec
    JDTec May 11, 2010





    Is the memory DDR2?




    Memory Technology
    DDR2

    Maximum Memory
    4 GB

    Installed Memory
    4 GB

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  • Master
  • 679 Answers

Are you saying that there are only 2 slots for ram or 4, if 4 then you may have a dual channel lap top, in which case you need all of the ram to match, they all have to be the same exact ram.you cant mix and match, also is the bios recent, it sounds like you may need a bios flash if the laptop isn't recent.And there may be a limitation on the amount of ram it takes, I just setup a brand new acer and it only two gig max, see if they offer a bios update

Posted on Dec 24, 2008

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Gt5082 what is the best sticks for gateway gt5082


Memory Upgrade for Gateway GT5082 Computer, the Gateway GT5082

Computer takes the PC3200 DDR SDRAM DIMMs. Supports Dual Channel DDR. Memory


Type, and comes installed with 2.0 GB = 512 MB (removable) + 512 MB (removable) + 512 MB (removable) + 512 MB (removable) of Memory. You can upgrade your


Gateway GT5082 Computer to up to a maximum of 4.0 GB Memory, the system has 4 sockets to install Memory, already with 2.0 GB = 512 MB (removable) + 512 MB (removable) + 512 MB (removable) + 512 MB (removable) standard Memory installed.


For best Computer performance use the maximum amount of allowed Memory per slot for your Computer.
Choose the following Memory Upgrade for Gateway GT5082 Computer.


If you're not sure if a module is right for your system, use the Crucial Memory Advisor tool for a list of guaranteed compatible modules.


hope it helps

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I tried to upgrade my acer aspire one A150 to a 2 GB stick of ram - didn't work so reinstalled the 512 stick I had (SHOULD be a total of 1 mb counting the 512 onboard.) It is NOW only recognizing 512. ...


Try swapping the ram sticks with each other and see if it still reports 512. If it does...then it sounds like you damaged one of the seats for the RAM somehow. Did you have any static shocks occur?

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I have a Gateway 838GM. It has 4 slots for RAM. It came with 1/2 gig RAM (2 sticks, 256 Megs each). I tried installing new RAM- 2 sticks, 1 gig each. If I replace the original 2 sticks, the computer...


Here are the specifications of the Gateway 838GM: You will have to replace the existing memory with thesesettings only: The machine comes with: 512 MB = 256 MB (removable) + 256 MB PC3200DDR SDRAM DIMMs. Supports Dual Channel DDR Nowyou can only upgrade to 4.0 Gig total. I would recommend going to this link and order the correct memory foryour computer I use them quite a bit. http://www.memorystock.com/memory/Gateway838GM.html Rob

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I have 512 mg of memory. Would there be a big difference if I add a 1 gb stick and keep the 512 mb , as oppose to removing the 512 mb and replace with two 1 gb sticks?


The performance of your laptop will improve if similar memory is placed in each of memory slot.If 1gb memory and 512mb memory are placed in available slot you will only get the performance of a single 1gb memory.but two 1gb memory are used performance will be similar to a 2gb ram or more.

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Here are some instructions that should work for all 3000 series laptops.
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The original 2 sticks of 256 Mb of RAM gives you a total of 512
Mb of RAM. Two 512 Mb of RAM gives you a total of 1 Gb of RAM.
With two sticks of 512 Mb of RAM are you sure you got a total of 192 Mb of RAM, this is a lot less than the original RAM total of 512 Mb?
Should this be 1920 Mb of RAM?
If this 192 Mb is correct then the RAM modules are either not compatible with the laptop or if the RAM modules are not from the same manufacturer then they may not work together.

Most laptops have video cards that use part of the main RAM for video RAM, that is why the available RAM is less than the installed RAM modules. The amount of RAM the video card grabs depends upon the type of video card and in some cases the amount of video RAM can controlled in the BIOS setting.

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