Question about HP Pavilion dv6000z Notebook

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Hp Pavillion laptop freezes when I install secondary memory

I purchased 512 addit'l memory for the laptop and installed it in the slot on the bottom of the laptop. After that it would not boot, get to the post screen and stop, and ocasoinaly it would boot but freeze after about 3 minutes. If I boot to Diagnostic CD it would freeze but take a longer time to do so.

Removed the chip and left it out. booted and ran fine. Replaced origional 256 chip and sill freezes. Ran memory test and all passed. Memory is correct for the systemas well.

Finally I put the new 512 stick in the primary slot under the key board and it runs well. Again, I put one of the origional 256 in the secondary slot, again it started to freeze. switched chips with the other 256 chip and same result.

There are no Bios settings that can be changed; this board has a basic bios setup. cannot see it being a heat issue because it hapens when the systen first starts i the morning and when it is warmed up.

Ive done as much research on this problem but still fail to find any solutions.

Hp presario zv6000
XP Home edition

if you need more info let me know


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  • bdsext Jan 19, 2008

    That has been my experience as well, but I get the same freezes in the system when I put the two origional 256 sticks back in the machine in their respective slots. It is almost as if the seconday slot that is on the bottom of the machine is causing problems that previously weren't there. Coud over heating of the system perminatly effect this slot , yet allow the computer to still function fully on the primary memory?

  • bdsext Jan 21, 2008

    laptop only has two slots.. so putting three chips at once is not a issue. The TWO ORIGINAL 256 chips were placed in the slots and I encountered the problem with the freezes. There have been numerous posts on the web about this problem from other people with no solution.

    I have for time being placed the 512 in the primary slot and all is well but I tested a 1gig chip and it will not run on this laptop even though HP says it will take a total of 2 gigs of RAM.

    Still hoping for another answer. By the way, about how much would it cost to check a Motherboard ?

  • Maestro loco Feb 08, 2008

    My HP pavilion zv5000 had 256MB cards in both primary and secondary memory slots (total of 512MB RAM). Bought 2 Kingston 1GB cards as replacements to upgrade to 2GB, which HP says is capacity of this laptop. Both Kingston cards are compatible with this model according to HP. With both cards installed (primary under keyboard and secondary on bottom of machine), system either refuses to boot or freezes at desktop. Can get to desktop in Safe Mode. System configuration shows that 2GB of memory are recognized. When secondary 1GB card was replaced with original 256MB card, computer works fine (system config shows 1.2GB of RAM). I am typing this on the machine now. I assumed the Kingston card in the secondary was defective, so I returned that card and am awaiting a replacement. Obviously, there is nothing wrong with the secondary slot, as the 256MB card works fine.



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You may not put all together the 256 and 512, the system encountered error when two memory are not equal size and not equal brand.

Either you select 2 units 256 memory or either 2 units 512. or use only 1 unit 512 memory so that no freezes will happen.

Posted on Jan 18, 2008

  • Emelio Navaja
    Emelio Navaja Jan 21, 2008

    Ok you should install only one memory in the primary slot . Only install 1 512 in the primary, coz maybe the other slot is have damage. you have option on that except replacing the Mboard of the system. but if the primary slot working on 1 512 so why not use it for the mean time.

  • Emelio Navaja
    Emelio Navaja Jan 22, 2008

    That is the problem when the laprop motherboard in trouble coz it hard to find a replacement on it. That is why costing on the laptop check mainboard error i could not calculate.



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