Having problems with your Sony VAIO PCG-K25 Notebook ?

I have a Sony Vaio laptop and information I have checked tells me that I can Upgrade my memory from 2 254 cards to 2 512 cards, but when I install them the computer only recognizes on of the cards Is it just a bad card????


Answers :

Go into the bios to see if it recognizes all 1024. If not, I would check the installation first. Remove one card and reboot the system to see if it recognizes the one, then remove that card and try the same thing with the other card in the other slot. If it doesn't boot, switch slots and see if that makes any difference. Then try the working card in the other slot, etc. By the process of elimination you should be able to determine whether you got a bad card.
\015\012YOu could also run the memory diagnostic tool to check them, assuming they are fully and correctly seated and both slots are working.
\015\012While it may be better to install paired ram modules, you system will boot with only one. See also crucial memory advisor here. Sony installation instructions here.
\015\012Good luck.
\015\012
I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!
You should be able to upgrade to a max 1 GB of system RAM, using two 512 MB sticks. Make sure they are compatible with this laptop! They both need to be DDR266 chips (PC2700 200-pin SODIMMs).
\015\012
\015\012Sony shows the compatible upgrade chips for this laptop to be VGP-MM512G. You may want to make sure your chips match these.
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