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Windows 7: Windows 7 only allowing 1 stick of RAM

05 Feb 2010   #1

Windows 7 64-bit
 
 
Windows 7 only allowing 1 stick of RAM

I was having problems installing Windows 7 64-bit for a couple days. It was crashing and taking ridiculously long. After some research I removed all but 1 stick of RAM and everything went fine. After getting 7 installed I tried putting my remaining RAM in and the system freezes at the starting windows screen. It starts up and runs fine when I have 1 stick of RAM in. I have tested the RAM and it is all in good condition. I was running XP pro earlier this week on the exact same hardware with no issues.

I also tried manually setting my RAM in BIOS to:

Voltage: 1.90v and 1.8v
CL:4
tRCD:4
tRP:4
tRAS:12

Anyone have any ideas?


My System SpecsSystem Spec
.

05 Feb 2010   #2

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by mweb22 View Post
I was having problems installing Windows 7 64-bit for a couple days. It was crashing and taking ridiculously long. After some research I removed all but 1 stick of RAM and everything went fine. After getting 7 installed I tried putting my remaining RAM in and the system freezes at the starting windows screen. It starts up and runs fine when I have 1 stick of RAM in. I have tested the RAM and it is all in good condition. I was running XP pro earlier this week on the exact same hardware with no issues. Anyone have any ideas?

You might want to check for a mam memory setting in bios
My System SpecsSystem Spec
05 Feb 2010   #3

 

bad ram? How many slots are available? Are the sticks of ram all the same?
My System SpecsSystem Spec
.


05 Feb 2010   #4

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

Are both sticks the same Brand & Speed ? Any overclocking of CPU or Ram ?
My System SpecsSystem Spec
05 Feb 2010   #5

Windows 7 Ulti. x64
 
 

Welcome to SevenForums, mweb
You could try blowing out the ram slots with compressed air. Also make sure you have the ram correctly seated in the slot. Alternate sticks and slots to be sure they are both working. Good luck to you with your problem
My System SpecsSystem Spec
05 Feb 2010   #6

Windows 7 Ultimate 64Bit
 
 

in certain scenarios the RAM must be installed in pairs.
My System SpecsSystem Spec
05 Feb 2010   #7

Windows 7 64-bit
 
 

Quote   Quote: Originally Posted by brady View Post
bad ram? How many slots are available? Are the sticks of ram all the same?
ran memtest86+ both sticks of RAM didn't find any errors.

yes the RAM are both identical sticks of RAM, the specs are in my profile.

I have 4 slots available and have them in the correct matching DIMM slots. I have tried them in the other set of DIMM slots too with the same result.
My System SpecsSystem Spec
05 Feb 2010   #8

 

check your motherboard. Some motherboards require a certain setup of the ram. 1 & 3 slot, 2 & 4, 1 & 2 or 3 & 4... if you see where i'm going with this. Memtest won't always find a leak... I would suggest test each stick in a "working" slot. If they both work fine "separately", odds are it's a slot match up issue. Asus is notorious for this
My System SpecsSystem Spec
05 Feb 2010   #9

Windows 7 64-bit
 
 

Quote   Quote: Originally Posted by DocBrown View Post
Are both sticks the same Brand & Speed ? Any overclocking of CPU or Ram ?
RAM specs are in my profile and yes it is a kit where both sticks are the exact same.

No I am not doing any overclocking.
My System SpecsSystem Spec
05 Feb 2010   #10

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

What is the Brand & Model of your MB ?
My System SpecsSystem Spec
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 Windows 7 only allowing 1 stick of RAM




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