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Memory upgrade for Toshiba Satellite A100 - PSAA9A


Have recently put an extra 1GB memory to my Toshiba Satellite A100 (XP professional).  Opened the back, put in extra 1GB memory (from Legend) into the obvious place- and it appears to work - but exactly the same as before!!  Can't find anywhere where the new memory shows up, just the old 512 MB.  Is there something else to do like set it up somehow to recognise the new memory??  What test can be run to see if it is working




PS.  Can you recommend any free utilities to keep the machine clean and fast?

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  • Mark2bikes Oct 21, 2007


    Have tried taking the old one out - no boot.  Then putting the original back in on its own - now no boot there either - woops!!


    What can I do to re-boot the thing now please and get at least some life back into it!.


    Thanks again,




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This free cleaner called ccleaner is really good and gets your system cleaned up, free of any spyware and free updates.


But the memory problem is the fact that your notebook may only recognise 2 of the same size memory sticks, so take out the old memory and try the new in on it's own, if no boot at all then the memory is not compatable with your system.


You can go to the crucial web site and see what the tool finds as to the type of memory you can fit

Posted on Oct 21, 2007

  • andrew pester
    andrew pester Oct 22, 2007

    you may have to remove the cmos battery to delete any memory timings and try again



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Take out all the memory cards and wipe the gold part of the memory modules.

Then insert the two 512 modules & check the memory.

If it shows the correct readings, then the two modules are detected.

Then insert the 1 gb & other one 512 module.

If it shows the correct readings, then the two modules are detected.

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Then the two 2 gb modules are fine.

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Right-click My Computer/Properties to see what memory is listed.
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I can't do this without the full model number.

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