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RESOLVED: Vista 64-bit not showing all available RAM

Joseph F

Joseph F

Diamond Member
A friend of mine has a computer that has 8GB of RAM installed but in the task manager only 3326MB show up. In the "System" part of the control panel all 8 Gigabytes are accounted for. I have run Memtest86+ on it and all of the RAM registers and passes the test. His specs:

Windows Vista Home Premium 64-bit
Phenom II x4 940 BE (AM2+)
Asrock A790GHX/128M
2x 2GB OCZ SLI-Ready PC2-6400
2x 2GB G.skill PC2-6400

Also, I've just taken out the G.skill 4GB set and the task manager still shows only 3326MB of RAM.
 
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Brainonska511 said:
Maybe this applies? http://support.microsoft.com/kb/950233/en-us

Is memory remapping enabled in the BIOS? Some say that should fix it - though one person mentioned a drop in synthetic benchmark scores (by a lot) by doing this.

Check this as well:

http://www.tomshardware.com/forum/255724-30-vista-ddr2-showing
Click to expand...

Yup, i've seen that memory remapping option turned off in the bios before and only showed the same amount of ram as OP said.

It's an easy fix that's hard to find.
 
Brainonska511 said:
Maybe this applies? Run msconfig and go to the tab labeled "boot". Go to "Advanced options" and make sure the "Maximum memory" checkbox is unchecked.
Click to expand...

THANK YOU! I didn't have to change any BIOS settings at all.
If only all computer issues were this simple to fix...
 
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