Memory upgrade problem

According to a couple of people I have conferred with, that RAM should work.
Take a stick of the old ram out and make sure the the cut out, in the new RAM, is in the exact place as the old sticks. It cannot be off by a micron, or it will not fit.

Understanding Identifying and Upgrading the RAM in your PC

Dont click on any of the ads in that article, just read it and you will be able to judge for yourself.

Turn off computer. Remove battery. Remove the memory access cover. Remove old memory and replace it with the. Ew memory.

If new processor supports your old motherboard then you will upgrade system with your old motherboard.

If its not supported to new mother board then you have to buy new motherboard to upgrade your system.

Thanks.
Happy to help you.

4GB is the MAX but only 3GB is utilized.
What Os are you running. Tiger Leopard Snow Leopard?

it sounds to me that you have parallel port memory. This means that you have to have the same, ie both stick being 1gb, or 512mb. I just fixed my aunts pc and she was having the same problem . once I installed both 512 sticks it recognized both. ^_^ hope this helps. good day

It is working.

Tested first with one new module with 2GB RAM, then with 2 modules, 2GB (new) + 1GB (original). Post and Windows are showing 3GB.
The HP 530 notebook is working OK.

The earliest MacBook (Pro) models have a limit of 2 GB. To check the specific model, in the Apple menu select about this Mac. Then press more info... . Look at the line like "Model Identifier: MacBook5,2" for my white early 2009 MacBook. If the numbers are 1,1 then for sure you have the oldest model and are memory limited to 2 GB, as the sum of both cards.
That's just like my wife's, it was a Core Duo and not the current Core 2 Duo. Works fine. I was ready to up its memory but read about this in the Apple Support Forum. It came originally with 1 stick of 512 MB, IIRC. I upgraded it to 2x1 GB for a lot more than the 2x2 GB in the newer. BTW some of the Macs between these only take 3 GB but will work with 2x2 GB just throwing 1 GB away. -Ken

Hello! The MacBook Pro you have mentioned can only support 4GB's total. 2GB's in the first slot, and 2GB's on the second slot.

What you may have seen by accident was that you can purchase either a 4GB kit, or a 2GB kit. Meaning a 4GB kit with 2 2GB sticks, or a 2GB kit with 2 1GB sticks.

Your best bet is to go with a 2GB stick in each slot to max out your MacBook Pro. 2GB's is the largest each slot can read.

For more information, check out the website below which has very detailed information on memory for various systems.

MacBook Pro Memory Information

may be frequency is different of RAM,just check it