My nv 170 sony lap top only reads 256 of ram

768MegaBytes.

768MB

Yes is the answer

Blinding increase in speed that you will phone home, and all your friends?

NO

But an increase in speed nevertheless.

For additional questions please post in a Comment.

Regards,
joecoolvette

[Oh,...and put the 512MB Ram Memory module ('Stick'), in ram memory Slot 1. Also known as DIMM 1.
256MB in Slot 2.

The Processor (CPU) reads what is in Slot 1 F-I-R-S-T ]

You can only use paired ram modules. for example.. 2X 256mb, 2X 512, if your computer has four slots you can use 4X 256mb or 4X 512MB..

just remove the 256mb ram it is the main problem only insert equal memmory of rams in 2 slots, if u insert 1gb ram in one slot try to insert also 1gb ram in other slot, donot inser 2 unequal rams in one time

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

thats no problem sir,u can upgrade the memory cards of the computer to the level which it supports may be 1gb,2gb or 4gb.....
u can purchase another memory stick of same specifications because its availiable is different size like 128Mb,256Mb,512Mb or 1Gb.....you can use any one according to your wish...

Change the order of the RAM, place the 512 where the 256 is and replace the 256 in the slot that the 512 was in.

500Mhz CPU use DDR333/400 memories. majority are used in MAC.
800Mhz CPU use DDR2 400/533/667 Mhz.
look like either you cna change the CPU or change meories again to match them up.

It is not seieng the ram, try swapping the ram around or leave out the 128MB, just put in 256MB, if no boot then the ram is not compatible or faulty, not all ram sticks work in all motherboards.

The T40 has two ram slots, you can put a 1g chip in each totaling 2g. If the chip will remove, then it is changeable. Vista needs a minimum of 256 to run, so, when you change BOTH chips to equal 2g it will probably read 1.744g, or it may read the full 2g. If it only reads 1g, then the second slot under keyboard may have malfunctioned. It could also be that the 256 chip is bad and your really only running 512 now. With all that said, in order to achieve 2g, you will need to put a 1g chip in each slot.

Hello, if you have an intel m processor for your sony then u are somewaht out of luck. the base memory is 256 megs and it is not in the motherboard but rather integrated in one of the slots itself, that means if u put a 512 mb chip into that certain slot it will only read 256. a lot of people are mislead into thinking they can put two 512s and get a gig of memory, but not true, at least not with most of the sony intel processors. find the base slot by switching chips around, then leave the 256mb chip there. then u can add a 512mb to the expandable slot and get over 700bytes. if u can find a 1gb compatible stick,then try that the same way, leave the original hynix base slot chip in and add the 1gb, if u can find one, then u will have a little over 1280 of which u can up the video graphic usage up to 128 in the bios, and have your 1gb in memory. if u find a 1gb memory chip that work,drop a line as to what brand and size u used