Win7 64-bit but doesn't utilize all the memory

I wonder 64-bit Win7 OS but doesn't see all 4GB RAM. I thought the mail reason to go with 64-bit to utilize over 4GB of RAM.
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David Johnson, CD, MVPOwnerCommented:
that is normal as you have something loading into memory before the operating system.

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Tiras25Author Commented:
Got it.  I guess it's a waste for me having 64-bit and less than 4GB of RAM.

What's Rating btw?  Why is mine 4.7 and yours 5.0?
Yes, you should be fine.  If you have a few minutes to spare, read the following article.  It does a good job of explaining the differences in memory utilization:

Clearing Up the 32/64-bit Memory Limit Confusion
IT Pros Agree: AI and Machine Learning Key

We’d all like to think our company’s data is well protected, but when you ask IT professionals they admit the data probably is not as safe as it could be.

You're referring to the Windows Experience Index.  It's essentially a hardware/software performance rating...
the missing memory is being used by memory mapped devices,  look in your bios for something referiencing memory map or memory hole and enable it.
Tiras25Author Commented:
Got it.  Thank you!
Do you have an intergrated graphics card? If sovthays whats using the ram.
Tiras25Author Commented:
Yes I do.  This is a ThinkPad laptop sop must o be using an integrated.
>What's Rating btw?  Why is mine 4.7 and yours 5.0?

He has an i7-2600K and you have an i7-2620M - there's a big difference in performance.
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Windows 7

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