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Laptop does not see all my Memory Upgrade


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12 replies to this topic

#1 arwel5

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Posted 05 June 2010 - 10:41 AM

I have a packard bell MZ36-U-024, I recently upgraded memory to 2 x 1GB memory but the system can only see 1GB. I have tried all logical steps such as trying memory in different slots, one at a time to ensure both memory units are working and all are ok. I have downloaded all BIOS upgrades direct from packard bell, but to no avail. This is not a windows problem as if I enter setup only 1GB is shown, I have run Belarc advisor which only finds 1GB. Any suggestions anybody?

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#2 Sneakycyber

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Posted 05 June 2010 - 11:21 AM

What are the specs of the memory?

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#3 hamluis

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Posted 05 June 2010 - 11:58 AM

Did you buy two modules...and remove the one original equipment module?

Did you buy just one module and add it to existing RAM?

Source of the procured RAM?

Louis

#4 arwel5

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Posted 06 June 2010 - 05:42 AM

I removed 2 x 512MB memory and replaced with 2 x 1GB DDR2 667MHz SODIMM memory. there are only two slots on the board. RAM bought from Maplin their product code A36HR.

#5 hamluis

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Posted 06 June 2010 - 11:42 AM

Reference: http://www.maplin.co.uk/module.aspx?moduleno=223063

Louis

#6 Sneakycyber

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Posted 06 June 2010 - 11:49 AM

Its the correct speed and size try each stick one at a time and see if one of them is bad.

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#7 arwel5

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Posted 06 June 2010 - 01:01 PM

I have tried one at a time in both slots, I also tried 1 X 1GB with 1 x 512mb and every combination only shows 1GB.

#8 DaChew

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Posted 06 June 2010 - 01:36 PM

You might have to go into bios and save the change after adding memory?
Chewy

No. Try not. Do... or do not. There is no try.

#9 arwel5

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Posted 08 June 2010 - 01:14 PM

I have updated bios, but I cannot change the memory settings at startup.

#10 DaChew

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Posted 08 June 2010 - 02:18 PM

Have you entered bios? and then exited and save changes?
Chewy

No. Try not. Do... or do not. There is no try.

#11 arwel5

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Posted 08 June 2010 - 03:18 PM

Yes, I have saved on exit.

#12 Sneakycyber

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Posted 08 June 2010 - 07:50 PM

:thumbsup: :flowers: The only possible solutions I can see are the computer doesn't like that brand of memory, or there is something wrong with the bios. I am shooting for the former (incompatible memory)

Edit: changed wording.

Edited by Sneakycyber, 08 June 2010 - 07:55 PM.

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#13 hamluis

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Posted 08 June 2010 - 07:53 PM

Could be the high-density vs low-density thing...some boards only recognize half of stated amounts of HD.

Louis




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