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Windows 7: W7 64 bit ram issues (install and boot up)

05 Oct 2010   #1

w7 home prem 64bit
W7 64 bit ram issues (install and boot up)

I have search the forums for a full answer to this but havent found anything.

I tried to install Windows 7 64 bit to a new SSD drive. it took about 6-7 hours and wasnt successfully. After following some advise on these forums I took out 2 of my 4 gig and the install took 20 mins.

If i go back to the full 4 gig Windows 7 will not boot up. It is fine with 3 gig.

How do I get it to boot with the full 4 gig (other 64bit will be wasted)

The memory is 4 x 1 gig OCZ memory (bought as a set) 4-4-4-15.

MSI (Micro Star) MS-7350 (P6N SLI-FI) Motherboard

CPU Family: Intel(R) Core(TM)2 CPU 6420 @ 2.13GHz Model 15, Stepping 6
CPU Speed: 2133 MHz

Maximum Memory Capacity: 8192MB
Currently Installed Memory: 3GB
Available Memory Slots: 1
Total Memory Slots: 4
Dual Channel Support: Yes
CPU Manufacturer: GenuineIntel
HDD Intel x25-m SSD

My System SpecsSystem Spec

05 Oct 2010   #2

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit


Please fill in your System Specs. Make and model. Mother board etc.

My System SpecsSystem Spec
05 Oct 2010   #3
Microsoft MVP

W 7 64-bit Ultimate

Hello Doncre, welcome to Seven Forums!

You may have a bad stick of RAM or a bad DIMM on the motherboard. Download and burn Memtesr86+ to a CD, then boot the CD and run several passes with one stick in the same DIMM to start sorting if something is bad, it will take a while so be patient and let it work.

Memtest86+ Free Ram Testing Software

As it comes as an ISO file you may need the program at this link to burn it to CD.

ImgBurn Free ISO Burning Software

Be sure to post back with any further questions you may have and to keep us informed.
My System SpecsSystem Spec

05 Oct 2010   #4

w7 home prem 64bit

I have swapped around the ram I have so i know that it boots up with all of them as long as there is only 3 stick in at any one time. having said that i will still run the tests
My System SpecsSystem Spec
06 Oct 2010   #5

w7 home prem 64bit

Okay all 4 dimm slots work and all 4 sticks are okay but it will still only fire up windows in 3gig mode.
My System SpecsSystem Spec
06 Oct 2010   #6

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

Can you run CPU-Z & post a snip of the memory reading ?

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My System SpecsSystem Spec
06 Oct 2010   #7

w7 home prem 64bit

Here they are I know that its in 4 and not three but that was to prove the slots work

Attached Images
My System SpecsSystem Spec
06 Oct 2010   #8

Windows 7 Ultimate x64

Have you checked to see if there is a BIOS update for your board? Go here to download the latest BIOS: MSI P6N SLI BIOS
My System SpecsSystem Spec
07 Oct 2010   #9

w7 home prem 64bit

I thought I should add to this that the machine was fine with all slots filled when booting into XP on a different hard drive. (althought it didnt see the 4 gig, the system booted okay)

The bois bootup see all the memory, it just when you get to the start windows logo screen it hangs.
My System SpecsSystem Spec
07 Oct 2010   #10

Windows 7 Ultimate x64

Maybe you need to update the BIOS to support Windows 7. Usually there are BIOS updates to support new OS when they come out. Follow my link above to make sure you have the latest BIOS installed.
My System SpecsSystem Spec

 W7 64 bit ram issues (install and boot up)

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