This is why I hate putting together computers: apparently there are *variants* of 204-pin DDR3 1333MHz RAM that aren't compatible with HP laptops. Who would've thought, right? I mean, how much more specific can you get? At first I bought the wrong stuff, and sent back the first chip, and then the 2nd one didn't work either, so I was all like "whoa, wtf bro..." But then I called Kingston, and got this way-chill heady brah named Jeff, and he told me that it w..