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4.00GB (3.25GB usable) in Windows 7 x64

Fresh7 days ago
Mar 15, 202677761 views
Confidence Score0%
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Problem

I have set up Windows 7 Ultimate 64-bit on my PC. I have 4GB RAM and my BIOS states the correct amount (4096MB), but Windows (System Manager) says I have 4.00GB (3.25GB usable). This seems to be a popular issue, and I have looked for an integrated video card (integrated with my chipset) to disable …

Error Output

Chipset
North Bridge: Intel Bearlake G33
South Bridge: Intel 82801IR ICH9R

Maximum Memory Amount   8 GB

Graphics Controller Type    Intel GMA 3100 …

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: 4.00GB (3.25GB usable) in Windows 7 x64

Low Risk

Go into the BIOS, under CHIPSET then go to MEMORY HOLE MAPPING and enable it them save setting to CMOS and reboot. Also go to MSCONfIG BOOT TAB and mke sure MAXIMUM MEMORY is UNCHECKED. That should fix this issue. It fixed it on my Gateway desktop. …

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Environment