Off the top of my head, since it won't boot: 15" MacBook Pro 2.16 GHz C2D 1GB RAM 120GB HDD originally (160GB after the replacement) 256MB GFX Okay, let's get the full back story on the computer. I bought it in March 2007, I had a strange light column on my display so I took it into Apple in October to get it fixed along with an issue I was having with AirPort Express, so the computer comes back and they replaced just about everything logic board, display, keyboard / top case of the laptop.. the only thing I don't think they replaced was the hard drive and the bottom part of the case. March 2008 rolls by and my AppleCare expires. April comes and my computer begins doing this thing where 6-8 hours of use it just "freezes" the mouse still moves and you can still click for a few moments but then it just goes stops doing everything except mouse movement, try to reboot and it makes the chime and just shows the white screen and refuses to work the rest of the day, the next day it always does the same thing. Then the time became shorter, 4 hours, 2 hours, 30 minutes. I was at school at the time and didn't care to mess with it so I just stored it away. A month later I come back, turn it back on boots up perfectly within 30 seconds and works fine for an hour then repeats the previous crash like symptoms. I ask my computer friends and they suggest it's a dying hard drive - so I send that in to get replaced and pay out of my pocket. Boots multiple times and works perfectly for a few hours, then reverts back. Then my friend points out that while it won't actually boot to CD if you hold "C" on boot up, if there isn't a CD there it detects that and shows the correct error... meaning the CD app just isn't loading on the RAM. Fine... I paid for a new RAM stick. Boots up, immediately crashes. Boot command results: Flash P-RAM: works and sometimes allows boot. cmd-S: never works cmd-V: never works C: worked right after I replaced the harddrive, hasn't worked since. T: starts in target disk mode, don't have a second computer to see if drive is browsable. Any ideas? Is it the Logic Board? Will Apple cover it since they recently replaced it or no? How much will it cost to get a new one?