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Why does my computer say 24 GB ram 16 GB usable?
Posted on 2012-12-20
Windows 7 professional 64 bit
Gigabyte GA EX58-UD5
i7CPU 920@2.67Ghz 2.66 Ghz
Gskill Ripjaw f3-8500CL7S-4gbrl DDR3-1066 PC-8500 4gbx1 spd cl7-7-7-1 8 1.5v
24 gig ram 6x4
Nvidia Quadro FX4800
Recently my computer shows I only have 16 GB ram with 24 GB installed. I was forced to reinstall windows from another problem but I never noticed this prior to that installation. Is there something I need to do to make it "see" the other ram?
Thank you,
Arti
Gigabyte GA EX58-UD5
i7CPU 920@2.67Ghz 2.66 Ghz
Gskill Ripjaw f3-8500CL7S-4gbrl DDR3-1066 PC-8500 4gbx1 spd cl7-7-7-1 8 1.5v
24 gig ram 6x4
Nvidia Quadro FX4800
Recently my computer shows I only have 16 GB ram with 24 GB installed. I was forced to reinstall windows from another problem but I never noticed this prior to that installation. Is there something I need to do to make it "see" the other ram?
Thank you,
Arti
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19 Comments
Try going into msconfig -> boot -> advanced options. And increasing the maximum memory and then running a reboot.
Active 2 days ago
According to Microsoft, Windows 7 Home Premium has a maximum usable memory of 16GB. Are you sure that you reinstalled Windows 7 Professional?
http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx#physical_memory_limits_windows_7
http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx#physical_memory_limits_windows_7
Active 5 days ago
What shows when the computer boots in the bios ?
check this too
http://social.technet.microsoft.com/Forums/en/w7itproinstall/thread/b6d8e897-ddaf-41c8-b71b-492a2a2b92d7
check this too
http://social.technet.microsoft.com/Forums/en/w7itproinstall/thread/b6d8e897-ddaf-41c8-b71b-492a2a2b92d7
artismobile--
"Check the system configuration settings
This problem may occur because the Maximum memory option is selected incorrectly. To fix this, follow these steps:
1.Click Start, type msconfig in the Search programs and files box, and then click msconfig in the Programs list.
2.In the System Configuration window, click Advanced options on the Boot tab.
3.Click to clear the Maximum memory check box, and then click OK.
4.Restart the computer. "
This comes from
http://support.microsoft.com/kb/978610
You may find the rest of the article interesting also.
"Check the system configuration settings
This problem may occur because the Maximum memory option is selected incorrectly. To fix this, follow these steps:
1.Click Start, type msconfig in the Search programs and files box, and then click msconfig in the Programs list.
2.In the System Configuration window, click Advanced options on the Boot tab.
3.Click to clear the Maximum memory check box, and then click OK.
4.Restart the computer. "
This comes from
http://support.microsoft.com/kb/978610
You may find the rest of the article interesting also.
ScottCha--Actually the suggestion I made is to "clear" (reduce to 0) the Maximum Memory box, rather than to increase it as suggested by dkrollCTN.
I may have found my problem if my failing memory in my head stirs. When I built the computer I bought and still have on disc windows 7 64 Home. 3 yrs ago I found out it wouldn't let me run 24 RAM installed. I went online and upgraded to Professional. I have no idea where the key is. Something tells me I have to purchase it again.
Active today
@BillBach,
Sorry about that...had a previous version of the page before your post sitting there. Regards, Joe
Sorry about that...had a previous version of the page before your post sitting there. Regards, Joe
Active today
:)
Yikes! Stepped on you twice in the same question...I promise it won't happen again. Btw, that's a great chart...excellent reason for getting W7 Pro instead of Home Premium.
Yikes! Stepped on you twice in the same question...I promise it won't happen again. Btw, that's a great chart...excellent reason for getting W7 Pro instead of Home Premium.
Yes, yes,,... My error. Glad I have you experts for the last 4 yrs. Thank you for all your help. May I just award to Billbach who initially made the suggestion?
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