Question about Sony VAIO PCG-K25 Notebook

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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????

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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.
YOu could also run the memory diagnostic tool to check them, assuming they are fully and correctly seated and both slots are working.
While 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.
Good luck.

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!

Posted on Sep 10, 2009

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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).

Sony shows the compatible upgrade chips for this laptop to be VGP-MM512G. You may want to make sure your chips match these.

Posted on Sep 10, 2009

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Hi there,

The memory card might be at fault. Do not wriggle your card when it is in the reader. You will completely ruin your card. You will destroy all data and it will be irrecoverably lost
The memory card seems to be defective. Before you add anymore information to it, get it replaced. Usually they are good about these things and do that replacement for free.
One more thing: Sometimes your USB port is a culprit. Again, need to know what happens at another computer. You methodically do the process to do the elimination. Patience is the key.

Regards,

Anirban Mazumdar
http://www.ikarmatech.com

Posted on Sep 10, 2009

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1 Answer

I have recently installed Windows 7 on my VGN-N250E. It does not recognize my sd-card. Does anyone know where i can find sd-card driver for win7 for sony vaio VGN-N250e?


Hi,

I checked the information and found that the computer does not qualify for a Windows 7 Upgrade from Sony. But as we have tried, Windows Vista drivers work with Windows 7 as the core for both the OS is same. I suggest that you download install Memory Card driver for Windows Vista from the below link to resolve the issue with the SD Card. I have also provided the link to download Sony Shared Library which you should install first.

http://esupport.sony.com/US/perl/swu-download.pl?mdl=VGNN250EB&upd_id=2383&os_id=28

http://esupport.sony.com/US/perl/swu-download.pl?mdl=VGNN250EB&upd_id=2416&os_id=28

http://esupport.sony.com/US/perl/swu-download.pl?mdl=VGNN250EB&upd_id=2391&os_id=28

Thanks!!!!

Dec 25, 2010 | Sony VAIO VGN-N250E/B Notebook

3 Answers

I have a Sony Vaio PCG-K25 laptop and am trying to upgrade to a gig of memory. Is it possible to do this? I put 2 512 memory chips in the slots but it only sees 448. Using Kingston Technology 512 mb...


Hi,

This laptop has its own graphics card that doesn't rely on system memory for the graphics.

There should be no reason why its not detecting all 1GB of ram that you have installed.

Open the ram cover and make sure that you have clipped the ram into place properly.


Regards.

Jul 01, 2010 | Sony VAIO PCG-K25 Notebook

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I have a vgn-b3vp (pcg-5b1m) sony laptop, can i upgrade the memory if it has 512 of none-removable memory and only 1 bank.


Yes, you can use the 1 bank and get higher graded memory, another 512 in the 1 bank would make 1gig, you can probable get as much as 2 gig in the bank to make a total of 2.5 gigs by buying a 2 gig memory stick.

Jan 27, 2010 | Sony VAIO VGN-B3VP Notebook

1 Answer

Sony Vaio not recognized installed memory


Swap the modules between the slots.

If the message shanges to slot 0 not recogonized, then you have a bad memory module,
Easy fix, just get another module.

If the message does not change, then you have a problem on the mother board.
Not an easy fix, it would be cheaper to buy a 1GB module and use the good slot.

Good Luck!

Jan 24, 2010 | Sony VAIO GRV670 Notebook

3 Answers

How to upgrade RAM memory what to buy and is anything else be upgraded before this


It is a very simple thing to upgrade your Ram which is a great idea since you have only 512 MB. I suggest you buy at least 1 GB or more if you can afford it. Go to the link I am posting and let them scan your computer. They will tell you exactly what you can install and the price. This is a reputable site I use all the time. This will require a download of the scanner tool which is perfectly safe. http://www.crucial.com/

Nov 05, 2009 | Sony VIAO P4 PCV-RS712 3.0GHz 512MB 200GB...

3 Answers

I want to upgrade my ram what type of ram should i use and how what is the maximum amount of ram i can upgrade to?


Hi,
Memory Upgrade for Sony VAIO PCG-K35 Laptop, the Sony VAIO PCG-K35 Laptop takes the PC2100 DDR SDRAM SODIMMs Memory Type, and comes installed with 512 MB = 256 MB (removable) + 256 MB (removable) of Memory. You can upgrade your Sony VAIO PCG-K35 Laptop to up to a maximum of 1.0 GB Memory, the system has 2 sockets to install Memory, already with 512 MB = 256 MB (removable) + 256 MB (removable) standard Memory installed. For best Laptop performance use the maximum amount of allowed Memory per slot for your Laptop.


Regards

Jun 29, 2009 | Sony VAIO PCG-K35 Notebook

1 Answer

Can Sony VGN use single memory module?


You're gonna need two 1gb modules.

Hope this helps.

Best of luck!

Feb 28, 2009 | Sony VAIO VGN-N250E/B Notebook

1 Answer

Need to upgrade my vaio


hi there,
Sony PCG-GRS750 or PCG-GRS300 all go back to the sony ( PCG-8K1L )

Maximum CPU is Pentium 4 Processor 2.0GHz
Maximum memory is 512 DDR PC2700


Apr 09, 2008 | Computers & Internet

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