Question about Acer Aspire™ T180 PC Desktop

2 Answers

Adding memory resulted in system failing to boot

I have an Acer Aspire T180 which came with two half gigabite memory modules and two spare slots.

I added a matched pair of 1gb modules to the two spare slots and got a 'blue screen'. I then replaced the supplied modules with the new ones and everything worked. I then added the 'old' modules to the spare slots and got another blue screen.

Any ideas?

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  • 6 more comments 
  • reed_blackbi Jan 25, 2009

    No - I added the memory to the spare slots so there were now 4 memory modules and then booted up

  • reed_blackbi Jan 25, 2009

    No



    The first two are one colour and the second two are another. As supplied, the memory was in slots 1 and 3

  • reed_blackbi Jan 25, 2009

    You are testing the limit of my knowledge but I am assured that they are compatible - and in any case, the machine runs perfectly with either the old or the new memory, but not with both.

  • reed_blackbi Jan 25, 2009

    But if you want to add memory how can you avoid it? and the memory installed when it came used one slot of each colour.

  • Anonymous Jan 29, 2009

    have mixed and matched the old 512 mb with new 1gb in both purple and blue slots, upgraded bios (phoenix technologies) and still with all four 1 gb matched speed i still get only 1gb memory showing, using vista 32 bit. spend 30 minutes with bios tech support and apparently this is an issue on the acer aspire T180 ..will try tech support today from crucial "chat" tech to see if they can shed any light on this issue for all of us. ready to pull hard drive, stick in an external shell...buy another brand (like hp) that has tech support.

    gary

  • Azz
    Azz May 11, 2010

    I know this probably sounds obvious, but are you sure the memory modules are compatible with the motherboard? DIMMs are backwards compatible but not the other way round eg. Higher performance DDR2 DIMMs are compatible with lower performance DDR2 DIMMs; however, the higher performance module runs at the lower module's frequency. Same goes for DDR DIMMs.

  • Roberta Smith
    Roberta Smith May 11, 2010

    are all the slots the same colour ?



  • Roberta Smith
    Roberta Smith May 11, 2010

    when you added the memory to the spare slots... did you remove the other memory before you booted up ?



    Robert

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  • Master
  • 5,158 Answers

You can use only one set of slots (by colour) not both

Posted on Jan 25, 2009

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  • Master
  • 948 Answers

Let's get some information about the memory you are using. Get CPU Z and run it with the new memory, then switch back to the old memory and run it again. Write down the results from the memory tab and the SPD tab (all slots being used). You want to make sure that your timings match to give yourself the best chance of success. All of your memory should be DDR2 533 (PC2-4200). SOMETIMES you can use faster memory and it will simply slow down and function. Other times it will not.

Posted on Jan 25, 2009

  • Dick
    Dick Jan 25, 2009

    "the machine runs perfectly with either the old or the new memory, but not with both."

    Which is exactly why the symptoms point to memory incompatibility. Not due to the memory modules themselves, they don't care. But due to the motherboard. Some bios can force memory timing for a particular slot but I doubt your computer can. Worth checking though, good luck.


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