Question about Dell Inspiron 6400 Notebook

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Dell memory Dimm B errors, 2 gig memory upgrade

Hi gang. I am upgrading to two 1 gig memory cards in my Dell 8500. The system does recognise the installed memory.

Problem: The system will operate fine for a while, then dies and reboots. Quick blue screen then reboot. Sometimes it fails to reboot and just powers down, sometime reboots but only see 128 megs of memory.

When I remove the Dimm B card, the system works fine. I have tested both cards individualy and they pass both the bios and the Dell memory diagnostics. Alone, the cards test fine.

If I place both cards in, run a diagnostic, the card in Dimm B slot fails with address errors (Dell diagnostic gets to 50% and address errors begin). I am assuming that it tests Dimm A first, then Dimm B.

Have you guys seen this problem before? I cant find anything on the web regarding this. Any suggestions?

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  • Anonymous Dec 06, 2007

    I have the same problem (intermittently) on a Dell Inspiron 9400.

    I have purchased new memory. This did not help.

    The machine has run for several weeks with no problem.

    Now it will only work with memory in DIMM A. Both DIMMs are fine. I can swap them and the machine boots.

    I expect it to work with both when it feels like it. :(

  • dragonarcane Dec 24, 2008

    dell. in there great stupidity, has put a max limit on memory. i have a dell dimention E310. it's max is 2g. i was told by dell that i could put more memory in it, but the system won't reconize more then 2g. they also said that there is a "non-dell hack" online to fix it.



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Posted on Jul 23, 2010


I've put my original 256mg card in DIMM A and my 1gig card in DIMM B and have had no additional problems. So I'm just living with 1.25gig of memory...

Posted on Dec 06, 2007

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Can your laptop support 2 gigs?

Also, are you using the right memory for your laptop?

Posted on Nov 16, 2007

  • Thomas Christopher
    Thomas Christopher Nov 20, 2007

    was this helpful to you. if so please rerate as so.



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