Laptop RAM help

[Hushie]

So, i ordered some more Ram for my laptop. It has a DIMM A and DIMM B slot (Are these any different?) but they are mirrored if you get me? So i tried installing my new RAM into Dimm B because A was full but it wouldn't go in. So i put the nw RAM into Dimm A but then my old one wouldn't fit into DIMM B :( Is there anyway i can get it to actually fit in? Or can it only go in a certain way.

[scottish]

The RAM slots should be the exact same, which laptop you got?

[Hushie]

Dell Latitude|D505
lol

[Hushie]

Oh I did it. It was just loads stiffer than usual.
LMAO what a weak little boy I am.
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