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I upgraded my RAM, do I also need to upgrade my OS to a x64 bit OS? (547 Views)
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Dukesnatch Tutor
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Dukesnatch
Posts: 12
Registered: ‎07-01-2009
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I upgraded my RAM, do I also need to upgrade my OS to a x64 bit OS?

‎07-01-2009 08:12 PM

Hi, today I purchased 2GB of RAM and installed it into my computer (a Compaq Presario CQ50Z-100 CTO Notebook).  I now have 2.5GB of RAM as opposed to the 1GB of RAM I had earlier.

 

I am running the Windows 7 Ultimate RC 32 bit OS.  I need to know if I also need to upgrade to a x64 bit edition of Windows to use ALL of my availiable RAM.  Thanks.

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PhD Student PhD Student
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CharlesHP
Posts: 1,477
Registered: ‎11-17-2008
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you don't have to, 32bit system can address 4GB of memory

‎07-01-2009 09:45 PM

it shows 2.5G instead of 3 because the system used up some already.

 

Also, you need 64bit capable CPU to run 64bit OSes.

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Dean Dean
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Daniel_Potyrala
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Registered: ‎01-31-2009
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Re: I upgraded my RAM, do I also need to upgrade my OS to a x64 bit OS?

‎07-02-2009 09:44 AM

32 bit system can use max 3.5GB Ram so You don't need upgrade to x64 system.

 

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