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I have 4 GB of RAM installed, but why are only 2 GB are usable?

Fresh5 days ago
Mar 15, 20269754 views
Confidence Score0%
0%

Problem

In the BIOS it says 4096 MB, so the BIOS detects it. However, Windows 7 only lets me use 2048 MB. What's the problem?

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Fix for: I have 4 GB of RAM installed, but why are only 2 GB are usable?

Low Risk

Use MSConfig → Boot → Advanced. Is the box 'Maximum Memory' checked?

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