laptop memory problem

  fire 13:06 17 Feb 2006

i have just installed a 512 stick alongside a 256 stick in my laptop. it is the same memory although slightly faster but i believe that it should work at the slower speed. when i start up the memory is stil shown as 254 mb....what am i doing wrong????????

  jonny1 13:15 17 Feb 2006

Is the laptop able to support a 512mb memory module. If you look on the Kingston site and find the laptop model it will tell you what configuration it can support
How this helps

  fire 13:27 17 Feb 2006

its not listed on kingston but is on crucial and it is able to accept a 512 module??? (advent 7012)

  jonny1 14:04 17 Feb 2006

512mb 200-Pin PC2100 (266MHz) DDR SODIMM .
If you have fiited a faster memory module it should clock down to run at the correct but it looks as if the new module isn't being seen I am aware the some machines do have some funny issues with different memory modules

  dms05 14:09 17 Feb 2006

Some laptops will only work if they have the same size module in both slots. Try taking the 256Mb out and replacing it with the 512Mb, at least that will tell you if the 512Mb is working. Then try the 512/256Mb in the other slot. Try a few variations of Slot 1 and Slot 2 with the memory modules.

  dms05 14:11 17 Feb 2006

Should have said my Toshiba takes PC2100 200 pin SODIMM's and will not work with different sizes of memory in each slot.

  fire 14:19 17 Feb 2006

yes have tried taking one out and replacing with other but will only boot with old 256 module in it.does the mb need updating with bios?????

  fire 14:20 17 Feb 2006

this is the one i purchased i take it should work
click here


  jonny1 16:03 17 Feb 2006

sound to me as if the new memory module is not compatable or faulty

  woodchip 16:32 17 Feb 2006

Change the memory round in the slots

  woodchip 16:34 17 Feb 2006

Sorry just read through and would agree with jonny1

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