Weird RAM problem

Acer Aspire m3641
April 25, 2010 at 18:28:00
Specs: Windows 7 Professional
Hello everyone, first off let me tell you the default specs of my system. My System is the Acer Aspire M3641

This comes with,;

Intel® Core 2 Quad Q6600 processor
2.40GHz, 1066MHz FSB, 8MB Cache
Genuine Windows Vista® Home Premium
4GB DDR2 667MHz memory
640GB SATA hard drive (7200rpm)

When i first bought the PC i instantly slotted in a Nvidia GeForce 9500 GT (512mb) to meet my gaming needs.

The PC ran fine up untill now (1 1/2 years later) when i started getting allot of BSOD's which where constantly problems hinting towards bad memory.

So i decided to upgrade to Windows 7 as well as well as buy some new RAM (2x2GB) to solve the BSOD issue.

The RAM i got can be found here;

It's basically the "CORSAIR CGMT2X4G800".

So ready to install Windows 7 i replaced the old RAM with my new RAM. With both sticks of the new RAM in place my PC just would not boot it would just stay at the ACER start up screen and my mouse and keyboard would show no responce, however there is activity within the case.

So i removed one stick which left one stick of the new RAM remaining and my PC ran perfectly fine. So i installed Windows 7 with just one stick of the new RAM.

I have tried both sticks of the new RAM seperatly in all slots and the PC works fine, it's only when i boot up with both sticks of RAM in that it doesn't work.

However i got my old RAM which is dying and replaced my new ram with the old one which is also (2x2GB) and the PC ran fine for a while with 4GB of memory and then i got a BSOD which was expected.

So why isn't my PC able to boot up with both sticks of my new (2x2GB) and only booting up with one?

Help please.

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April 25, 2010 at 19:46:50
With a 1066MHz FSB C2Q, you should either have DDR2-533 or DDR2-1066. Go into the BIOS & manually configure your RAM speed to 533MHz & make sure the RAM voltage is setup according to Corsair's recommendations. Do NOT use AUTO.

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April 26, 2010 at 09:12:59
Looked on the Website and couldn't find the recommended voltage for my RAM, any one got any ideas on what it is?


I get into my BIOS settings by pressing "Delete" on boot. I am running a Acer system here so not sure if it's somthing to do with them but i really can't find where to edit the voltage and speed of the RAM i've looked through all of the options and didn't find a thing.

Picture of the options i get:

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April 26, 2010 at 14:49:44
Annyone know where i'm going wrong then? Really annoying only have 2GB of RAM

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Related Solutions

April 26, 2010 at 16:31:58
Go to Advanced Chipset features-you might be able to adjust the voltage and speed of the RAM there, perhaps after clicking on another menu.

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April 26, 2010 at 19:18:05
Running either memory diagnostics or memetest after you get it running isn't a bad idea.

Playing to the angels
Les Paul (1915-2009)

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