I have a macbook Pro7.1 intel core 2 duo 2.4 Ghz with 2 lots of RAM 2Gb each. i want to updrade the Rams and been trying lots of types and sizes but still not working. the laptop is either not starting any more or freezing when the OS launches.

Please HELP!!!
the Rams that are being used now since i got this mac are screens attached.
what should i buy in order to upgrade the memory, and whats the limit of RAMs that i can have on this laptop?
please be certain of the answer coz where i work i dont have a store, i need to buy online and shipp .
thank you in advance.

I missed that! I blame it on not having had my coffee this morning!
To rams2211,
Crucial certainly makes great RAM - it's what I use in my machine - and you should visit their website. Just to let you know, though, Crucial ships all over the world and have both UK and EU sites, if that helps.
Your specific model can hold up to 16GB of 204-pin PC3-8500 (1066 MHz) DDR3 SO-DIMMs, even though the 'official' Apple spec is for 8 GB. Something to do with a long-ago firmware update.
You may also want to visit OWC - their prices are high but they make excellent RAM as well.
Good luck,
Clinton

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