L.A Noire PC Requirements
 

Does anyone have any advice as to how well the game will run on my laptop?

My stats:

AMD Athalon II X2 Processor P320
ATI Mobility Radeon HD 4250
3GB DDR3 Memory

Of course, I have checked out the games minimum and reccomended system performance but that doesn't always give you much of a picture.

This might help you on your quest, sir: http://www.systemrequirementslab.com/cyri/

Just search for the specific game.

your graphics chip is integrated and does not meet minimum requirements and your cpu barely meets system requirements. The 4250 isn't the worst igp there is however so it may still start and run but you will have to put gfx and resolution way down for it to possibly be playable, there's little information online at the moment about how it runs on different set ups but i've seen gta iv running on a 4250 (think they use the same engine) and its playable - just, then again there's not as much happening in la noire so it may run better, best wait for more info.

edit ok doesn't look like la noire use the same engine but looking at rockstars past pc optimisations, everything else i said still stands, and there are a few forum posts out there with people struglling with higher end graphics cards than you.

Thanks for the feedback fellas.

I know i'm low spec with relation to this game but I figured those recommended specs aren't always totally reliable so was hoping for maybe some hope.

Looks like I may have to wait until I next get a new laptop.

Yes, your graphic card is definitely the bottleneck here. I'm playing L.A. Noire myself currently on my relatively "newer" gaming rig based on Intel Core 2 Duo, 4 GB RAM and NVIDIA GeForce 9800 GT. I had a hell of a time trying to make it playable with reasonably high graphic settings. My system currently runs in official BIOS overclocked mode and I'm using GameBooster wherever I play, but the biggest difference I've seen is after I've inputed -str -npd in the command line of the game. Now it runs really smoothly. While the game already looks great on my machine, I'm certain that it can look even much better than this. ;)