My PC already have a 2gb ram in slot 1 and added a new 8gb to slot 2 but after booting it shows only 3.49 gb as available memory(I also checked it with speccy app). I checked msconfig options and the max memory is unchecked. How do I fix it?
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I sent the model number to the seller and he said there's nothing wrong with my motherboard and ram. – RonAlex Dec 17 '15 at 08:27
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This question already has an answer on this site. – jiggunjer Dec 17 '15 at 08:30
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Do you have a 32bit OS? – Burgi Dec 17 '15 at 15:08
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If you have a 32 bit version, 3.5 GB is the limit of the address space, there is no fix possible. You need to get 64 bit Windows to use all the memory; that's why 64 bit Windows came out (not the only reason though)
Aganju
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I disagree, it states that there is no fix, because it is a hard limit for 32 bit systems. What else could the answer be (assuming this is not incorrect)? – Aganju Dec 17 '15 at 21:59
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Then how come 32-bit linux doesn't suffer from this 'hard limit'? :) – jiggunjer Dec 19 '15 at 18:05
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@jiggunjer, although 4GB is the theoretical limit of 32 bit address space, the question was about *Windows*, which - in the 32-bit editions - is internally architected so it cannot use more than 3.5 GB RAM memory. – Aganju Dec 19 '15 at 18:23
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@JakeGould I think it does answer the question "how to fix it" -> "get 64bit OS". – jiggunjer Dec 19 '15 at 18:33
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@jiggunjer Fair enough. I removed my review patrol comment and my down vote. – Giacomo1968 Dec 19 '15 at 20:30