13'' macbook pro - memory upgrade question

via Mactracker
2 - 204-pin PC3-8500 (1066 MHz) DDR3 SO-DIMM

 

I believe you got the wrong kit. This is Apple's official kit:

http://store.apple.com/us/product/MC243G/A

Here's another set that may work:

http://eshop.macsales.com/shop/memory/Apple_MacBook_MacBook_Pro/Upgrade/DDR3

 

If you look at the reviews for the product it is clear by one of the manufactures responses that the memory will not work in a Macbook Pro.

When buying memory from newegg there is a section specifically for Mac Memory.. Here is the link for it.
http://www.newegg.com/Store/SubCategory.aspx?SubCategory=551&name=Mac-Memory

 

Here is the kit you need from newegg: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231294

Note it is PC3-8500, not PC3-10666

 

Apple's "official kit" is a huge ripoff. The same thing can be bought on newegg for about $50-60.

Your problem was that it is not the correct frequency most likely. Look for 1067MHz DDR3. This should work for you. It's also CL 7 and 7-7-7-20, incidentally.

 

Yup, just wanted to give him a reference to what Apple puts in their computers.

 

Most brands are pretty reliable, just confirm the specs will work with your computer and read the reviews.

 

Dont hesitate to check out OWC for Mac uPgrades. (macsales.com). There's no guessing on what's compatible. They have everything listed very clearly and their prices are comparable to newegg. I just got a 8gb kit for my MBP for 99 bucks. Works great.