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I wanted to upgrade the memory in my Acer Aspire 5672wlmi. By default, there are 2 x 1GB DDR2 installed and I wanted to upgrade to 3GB, so I bought a 2GB DDR2 PC667.

When I replace one of the existing modules with the new one (1x1GB + 1x2GB), the PC won't boot anymore (screen stays dark). If I remove the existing 1GB module and only insert the new one, everything works fine.

So I see 2 possibilites:

  • The aspire 5670 series only support up to 2GB
  • I can not mix a 1GB and a 2GB module and therefore have to buy a second 2GB so I can upgrade do 2x2GB.

So my questions are:

  1. Which of the two assumptions is true?
  2. Does my notebook even support 4GB ?

Some further notes:

  • This question is very similar. It seems the solution was a BIOS reset. Maybe I have to try that for my notebook too? Here, they mention that mixed sticks worked fine on a similar model.
  • Crucial Memory adviser also shows a 4GB kit.

Thanks for any help

  • Well, guess I will never really find out as my dear old aspire decided to blow up it's graphics card today. RIP. – pgruetter Jan 27 '13 at 21:58
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According to this CNet review, that model supports a maximum of 2GB of RAM.

  • Unfortunately, I found different answers to that. This pages for example mention 4GB maximum: fixya.com/support/… / mrmemory.co.uk/memory-ram-upgrades/model/…. So I don't know what to believe. – pgruetter Jan 18 '13 at 9:55
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    the reason you found a different answer is that you are looking at the wrong model. You say you have a "5672wlmi", but your link in the comment is to a "5672". They are not the same model. – Keltari Jan 18 '13 at 9:59
  • Ah, you're absolutely right. Anyway, same page also give 4GB for the wlmi model: mrmemory.co.uk/memory-ram-upgrades/model/… ;-) – pgruetter Jan 18 '13 at 10:02
  • interesting... still I would believe the evidence in front of you: more than 2 gb does not work. – Keltari Jan 18 '13 at 10:03
  • You're probably right. But since the pages have different opinions, I still have hope that a BIOS reset or a BIOS upgrade would help. Let's see if someone has experience with the exact model... – pgruetter Jan 18 '13 at 12:13
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I have exactly the same model and recently i needed some extra ram for some processing. So i replaced its 2 x 1GB modules with 2 x 2GB ones from a Dell and computer started and worked ok, although BIOS can only see 3GB. So I guess 3GB is the limit.

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