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Windows 7: Win 7 home premium x64 not picking up 8mg ram


08 Jul 2012   #1

Windows 7 home premium x64
 
 
Win 7 home premium x64 not picking up 8mg ram

I have an asus mother board with 2x8gb ram it is picking up that there is 8gb ram but only saying 3.98gb usable. I have removed one and rebooted the system and swapped them round and put them in both slots and it's picking them up but when both in together only 3.98gb useable. Any one got any ideas please??

My System SpecsSystem Spec
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08 Jul 2012   #2

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

Welcome RhodesianRebel


Start System Configuration then click on BOOT tab Advanced Options

Make sure Maximum Memory is unchecked & set to Zero ( 0)


Attached Thumbnails
Win 7 home premium x64 not picking up 8mg ram-maximum_memory.jpg  
My System SpecsSystem Spec
08 Jul 2012   #3

Windows 7 home premium x64
 
 

Thanks have checked that and it is set already as you said. Any other ideas please?
My System SpecsSystem Spec
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08 Jul 2012   #4

Windows 7 x64 Professional SP1
 
 

Welcome to the forums, RhodesianRebel

Besides what DocBrown suggested, there's another thing you can look out for:-

Check your BIOS settings, and make sure that the memory remapping feature is enabled.

From The usable memory may be less than the installed memory on Windows 7-based computers

Quote:
Enable the memory remapping feature

Check the BIOS settings to see whether the memory remapping feature is enabled. Memory remapping gives Windows access to more memory. You can enable the memory remapping feature in the BIOS by booting to the system setup. See the User's Guide for your computer for instructions on how to boot to system setup on your computer. The name for the memory remapping feature may be different for different hardware vendors. This can be listed as memory remapping, memory extension, or something similar. Be aware that your computer may not support the memory remapping feature.
There're quite a few other suggestions on that MS site as well which you can attempt.
My System SpecsSystem Spec
08 Jul 2012   #5

Windows 7 home premium x64
 
 

Sorry I'm a novice at this sort of thing but is ram also known as dram or is that something different, have dram controller configuration.
My System SpecsSystem Spec
08 Jul 2012   #6
Microsoft MVP

Win 7 Ultimate x64
 
 

Filling in your system specs would go a long way for us to help you. If unsure as to what is inside the computer, this will help (free version),

Speccy - Download
My System SpecsSystem Spec
08 Jul 2012   #7

Windows 7 home premium x64
 
 

I have managed thank you all for your help. For reference it is An asus m5a78l-m lx mother board. The setting was in the bios, north bridge config. Memory config. I had to change to auto the channel interleaving setting. Thank you all once again for your help
My System SpecsSystem Spec
08 Jul 2012   #8

Windows 7 Pro. 64/SP-1
 
 

I'm glad things are working for you again. How did your settings get off of auto in the first place? You mentioned you were a novice.
As requested before by Stormy13; fill in your ((My System Specs)) completely so you will be set for your next post.
My System SpecsSystem Spec
08 Jul 2012   #9

Windows 7 home premium x64
 
 

It was a default setting, I had not been in before today tweaking things lol.
My System SpecsSystem Spec
08 Jul 2012   #10

Windows 7 Pro. 64/SP-1
 
 

Thanks for you quick answer. To me that is unusual for a Asus board. Some crazy things do happen. Don't forget you specs.
My System SpecsSystem Spec
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 Win 7 home premium x64 not picking up 8mg ram




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