ram problem

Hello! Dell Vostro A840, Core 2 duo, 3gb ram (1+2)gigs DDR II 800 mhz. Problem: Caps, Scroll, num lock leds blinks with the two extremes together or only the centre one. I found that this problem is with the RAM. Solution Tried: Swapping Ram, only one Ram in either slots, Checked with other...

Hi, I recently purchased a 2GB Transcend RAM, to accompany my already existing 2GB Transcend RAM. Now, after i switch on my system, I found that In My Computer --> Properties, it shows Installed Memory = 4GB(2.99 GB Usable). I am not getting 4GB Ram, its only 3062MB Ram that i can use...