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JB747 · 10-25-2008, 03:48 PM

Go to Dell's web site, and start a chat in technical support. Tell them what you want to do, they will ask you for you "Service Tag Number", and assuming nothing has change since you purchased your computer, from that number they will be able to tell you how much ram you can install, how many banks there are, what type of ram, and so on. Hope this helps

PS. fyi. Your "Service Tag Number" can be found on the bottom of your laptop.

10-25-2008, 03:48 PM	#6 (permalink)
JB747 Registered User Join Date: Oct 2008 Posts: 2 OS: Window XP Home Sp2	Re: Memory upgrade on Dell Inspiron 640m Go to Dell's web site, and start a chat in technical support. Tell them what you want to do, they will ask you for you "Service Tag Number", and assuming nothing has change since you purchased your computer, from that number they will be able to tell you how much ram you can install, how many banks there are, what type of ram, and so on. Hope this helps PS. fyi. Your "Service Tag Number" can be found on the bottom of your laptop.