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Windows 7: Windows 7 64 bit Only Detecting 2gb of ram?

01 Jul 2010   #1
Jared

Window 7
 
 
Windows 7 64 bit Only Detecting 2gb of ram?

Hello, I'm new here. If this is posted in the wrong section, I apologize.

Today when i booted my computer, it said "windows has detected a decrease in memory" I turned off my computer, unplugged it, took out all 3 sticks of ram, put them back in...

Still, windows is only detecting 2gb of ram when I really have 3gb of ram.
Performance Index for ram went down from 5.9 to 5.5

Can someone tell me what to do so that windows recognized all 3gb of ram.

here's a a couple screen shots:

http://img180.imageshack.us/img180/488/ss1z.png
http://img88.imageshack.us/img88/8462/ss2hd.png

Thanks!!


My System SpecsSystem Spec
.

01 Jul 2010   #2
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

It is giving this behavior, because likely, one of your memory sticks, or one of your memory slots has died. Swap them around to find out which it is, and then you can go about replacing that part. Hopefully, it will be one of the sticks, as that would be much simpler than replacing the mobo.
My System SpecsSystem Spec
01 Jul 2010   #3
merkat106

Windows 7 Enterprise x64 SP1
 
 

how many sticks of ram? one could have gone bad which can happen. to test this try booting with each stick. if one fails post (boot up test), then its bad.

you can also check the bios to see how much ram it sees. if it also sees 2gb, then im right. no sticks are bad, then reseat all the ram sticks.
My System SpecsSystem Spec
.


01 Jul 2010   #4
Adrian

 

Quote   Quote: Originally Posted by Jared View Post
Hello, I'm new here. If this is posted in the wrong section, I apologize.

Today when i booted my computer, it said "windows has detected a decrease in memory" I turned off my computer, unplugged it, took out all 3 sticks of ram, put them back in...

Still, windows is only detecting 2gb of ram when I really have 3gb of ram.
Performance Index for ram went down from 5.9 to 5.5

Can someone tell me what to do so that windows recognized all 3gb of ram.

here's a a couple screen shots:

http://img180.imageshack.us/img180/488/ss1z.png
http://img88.imageshack.us/img88/8462/ss2hd.png

Thanks!!
Welcome to Windows 7 Support.
I see that Deacon and Merkat have already given you good suggestions, I'll throw in with my 2 cents and add that since you have a custom rig check out your bios settings. We don't know whats changed in your case did you you just complete the install to Windows 7 or did you have updates and so on.
My System SpecsSystem Spec
01 Jul 2010   #5
Jared

Window 7
 
 

well that's really strange...

after spending 10 minutes swapping the memory around, is appears that windows is now detecting all 3gb of ram...

problem solved i guess?

thanks for the help everyone!
My System SpecsSystem Spec
01 Jul 2010   #6
thomas242

windows 7
 
 

I agree try starting your pc with just 1 stick of ram in it at a time
My System SpecsSystem Spec
01 Jul 2010   #7
merkat106

Windows 7 Enterprise x64 SP1
 
 

Quote   Quote: Originally Posted by Jared View Post
well that's really strange...

after spending 10 minutes swapping the memory around, is appears that windows is now detecting all 3gb of ram...

problem solved i guess?

thanks for the help everyone!
Glad to hear

I guess the all ram wasn't seated correctly on the motherboard
My System SpecsSystem Spec
01 Jul 2010   #8
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Suggest you run Memtest86 to see if you get any errors:

Memtest86

A Guy
My System SpecsSystem Spec
02 Jul 2010   #9
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

Yep, I'd still want to run Memtest just to make sure the memory tested out okay, but it does sound like one of the sticks just wasn't seated properly.
My System SpecsSystem Spec
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 Windows 7 64 bit Only Detecting 2gb of ram?




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