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Possible Duplicates:
Why does Windows only show about 3.5GB of my 4GB+ of RAM?
Why can't Windows 7 x64 use all installed memory?

On Acer 1830t notebook with 4GB RAM (Intel HM55 Express + Intel GMA HD) and custom Windows 7 install Intel® HD Graphics utility reports

Physical Memory:        2869 MB
Minimum Graphics Memory:    128 MB
Maximum Graphics Memory:    1306 MB

There's no BIOS setting to disable shared video memory.
How do I bring RAM back to 4GB?

Community
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yanchenko
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1 Answers1

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It sounds like you're running a 32 bit version of Windows. This is a limitation of the 32 bit systems (and certain 64 bit systems, depending on the motherboards chipset) that limits how much RAM is available to the operating system. Here is a good discussion of the issue:

The 3GB-not-4GB RAM problem

Glorfindel
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Harry Steinhilber
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