the biggest thing is just making sure there are 64 bit drivers available for your laptop and that all the applications you need to use will run ok on 64 bit OS
My Computer
Computer Manufacturer/Model Number
Custom Built
OS
Windows 7 Ultimate 32 bit
CPU
AMD Athlon 64 X2 4200+ Overclocked to 3.0Ghz
Motherboard
Biostar TF560 A2+
Memory
2 Gigs of G.Skill DDR2 800
Graphics Card(s)
HIS ATI Radeon HD 2600 Pro With IceQ cooler
Sound Card
6.1 Channel Sound Blaster Live 24 Bit
Monitor(s) Displays
Dual 20.5 " LG Flatrons W2052TO
Screen Resolution
1152x864
Hard Drives
Dual 36 Gig 10,000 RPM Raptors
PSU
430 watt Seasonic 80%+ Dual 12v Rails 2x80mm fans
Case
CHIEFMAX YA-5X
Cooling
4-80mm case fans 1-140mm case fan freezer 64 Pro CPU cooler
Keyboard
Saitek Eclipse II
Mouse
A4Tech wireless battery free optical scroll mouse
Internet Speed
1.5 meg down 384 up
Other Info
Logisys LED fan/light controller and dual 16" LED sticks mounted inside top of case all fans are LED all lighting is blue
DVD RW and CD RW both and Memory card reader
yer i was surrprised when it worked as well since i read online that it only takes 2gb it good be the fact that i am running 64 bit? not sure? but if you are using the same laptop try it might work out for you.