Question about Acer Extensa 5620 Notebook PC

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Problem with upgrading my acer extensa 5620z memory to 4GB

Hi my dear friend.I've bought an Acer Extensa 5620Z Laptop.I have problem with RAM Upgrading.I've upgraded my laptop memory to 2GB DDR2.Now I want to upgrade it up to 4GB using soDIMM DDR2 ram.the user manual says is supports 4GB RAM using soDIMM DDR2.but when I use two 2GB soDIMM DDR2 memory, while windows starting a blue screen apears and system restart automatically.while using one 2GB soDIMM and one 1GB DDR2 ram (3GB of memory) it works peroperly.what should I do?how can I upgrade my memoryto 4GB?by theway I have upgraded my computer BIOS to newer version, but the problem didn't solve.Please help me with this problem.I really need to upgrade my computer memory to 4GB.

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  • jack_program May 26, 2009

    Thanks dear,

    It really works.I changed my Win Vista X86 to X64 (64bit).

    It's work peroperly with 4GB of RAM.NO more problem.

    Thanks my friends for ur useful help.

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The Extensa 5620z comes with 1GB of DDR2 memory. That's two sticks of 512MB. This unit technically supports 4GB; 2 x 2GB modules. However, unless you're running a 64-bit operating system (if you have to ask how you'd know, trust me... you're not) then only about 3GB will be usable. There's no fix for this, it's just a fact. All standard 32-bit operating systems are coded this way
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on May 24, 2009

  • James2010BU Sep 11, 2010

    I followed your suggestion to re-install windows XP 64 on my extensa 5620z with 2x2GB, but the installation could not go through :(. each 2GB memory chip works fine for windows XP 64 that I insalled on acer extensa 5620z.

    Any suggestion? thanks in advance.

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Hi there.
I recommend you get another stick of SODIMM to replace what seems to be the faulty stick.
If you are using XP or Vista X86 (32bit) then the system will only recognize 2.8 - 3GB of memory, only 64bit operating systems recognize the full 4GB.


Good luck ad thanks for using FixYa!!

Posted on May 24, 2009

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  • Expert
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Sounds like the ram is not compatable. try taking it back out and putting it back in . Your processor might not be able to support it. You can put a ton of ram in it but it will only go as fast as the processor will let it.

Posted on May 24, 2009

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3 Answers

Acer Extensa 5620Z will not work with more than 2GB RAM??


parrotheadpc is incorrect in stating "you can only have a total of 2048 mb installed".

the 5620Z accepts 2 x 2 GB SODIMM RAM, the machine boots and shows the full 4 GB in the BIOS.

the full 4 GB works with the Ubuntu x64 installer.

Windows XP x32 goes BSOD on startup.

Windows 7 x64 install from DVD fails with same BSOD error.

conclusion: this is a Windows-Extensa 5620Z incompatibility that would require a fix by ACER at the BIOS level.

question: there may be specific memory modules 2 x 2 GB which do work--anyone have it work with Windows?



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Hi,

You can download the drivers from here:
http://www.getfreepchelp.com/download-drivers/download-acer-extensa-5620-5620z-windows-xp-drivers.html

Hope this helps.

Thanks.

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