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Ravian Honor Student
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hp elitebook 8440p memory upgrade issue

Hi all,

 

i have a quick question today, Actually i have a Hp Elitebook 8440p with core i5 and 2gb ram ( samsung 2rx8 pc3-10600).

 

and i am running windows 7 x64 bit.

 

so i decided to upgrade memory to 8GB and i  install 2x4GB  (matched pair) (hynix 1rx8 pc3-10600). but it does not work. wont start up and goes in loop. and if i put original samsung 2GB back in then its work fine..

 

i tried many times with all possible combinations but it does not work. and if i go to bios setup, it shows 8GB memory installed in it but cant get thorugh in it.

 

i am wondering is it the problem of 2rx8 and 1rx8? because my original old got 2rx8 and new ones got 1rx8 on it...

 

 

i am really worried about it...please help me soon...Thanks in advance

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Hi:

 

Yes, I believe you have installed high density memory, and your notebook won't work with that.

 

You notebook needs low density memory with the following specs...

 

  • Module Size: 4GB
  • Package: 204-pin SODIMM
  • Feature: DDR3 PC3-10600
  • Specs: DDR3 PC3-10600 • CL=9 • Unbuffered • NON-ECC • DDR3-1333 • 1.35V or 1.5V • 512Meg x 64 •

I recommend this memory for your notebook...

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16820231342

 

or...

  

 http://www.newegg.com/Product/Product.aspx?Item=N82E16820148493

 

or...2 of these.

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16820139190

 

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Ravian Honor Student
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Thanks for your Reply Paul,

are 1rx8 and 2rx8 something to do with density?

becuase what i believe my new ram modules hynix 1rx8 got all that specs what you mentioned..
so finally its density problem?
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I cannot say for 100% sure, but yes, I think the number of memory chips on the board can indicate density.

 

The symptoms you have described indicate a density issue to a "T."

 

The memory shows up fine in the BIOS, but the PC refuses to work with it.

 

I have suggested this cause to several others and when they purchased the lower density memory with 16 chips on the board, their problem was solved.

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Ravian Honor Student
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Thanks For your help

Regards
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You're very welcome.

 

Please post back and let us know if purchasing low density memory modules solved the problem for you.

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Good Day Sir... How can I know what is the Density of this 4gb RAM  I also have Elitebook 8440p and planing to buy this 2 4gb for may notebook.

TYIA.paul.jpg

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Hi:

 

Looks to be good to me, but I am not sure about the speed (PC-12800).

 

Not sure if it is backward compatible to PC-8500.

 

The PC-10600 memory is, but I am not sure about 12800.

 

See if you can test it out before you commit to buying it.

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Elice Honor Student
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^ Thank You Sir. Can you please teach me what those digits stands for?

ASU1600S11 -4G -EDEG 5807056 - 1222 

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You're very welcome.

 

Unfortunately, I only know what a part of the code means...

 

ASU1600S11 -4G

 

1600 MHz (PC3-12800) , clock speed (latency) 11, and 4 GB in size.

 

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