Question about HP Compaq Evo Notebook N410c
There is many things that can happen with RAM that end up with this issue.
First I'd try removing the 256 and just place the 512mb stick into the first slot and see if that works. If it doesn't there's one of three problems occuring.
Incompatible RAM (which may fit and lock in place but still not meet the requirements systems BIOS, so it will not function)
Oversized RAM Stick (some models will only use single sided sticks of ram, where most of the newer sticks are double sided. This can actually cause problems like this and even sometimes work but only show half of the ram on that stick)
Dead Ram (It's possible and I've had it happen a few times, that you could have a dead stick of RAM. If the 512 stick works alone without the 256 in there; the the problem lies elsewhere.)
Each manufacturer has different specifications on their systems and the ram that they can use. Believe it or not, one laptop I had would only work if you had two matching sticks of RAM in the slots. So, I could use the two 256mb sticks together; but I couldn't use a 512 and a 256. I couldn't run the 1gb stick and a 256 or a 512 stick. It had to be two matching sizes. So, make absolutely sure you have a compatible stick of ram for the laptop (I suggest calling HP/Compaq and asking them if it is the correct chip as you can never be too sure). If it still will not work, then either the laptop won't support all of the 768mb, or you have a dead stick.
Try these things and see what happens. If you still have a problem, by all means, ask away. :)
Posted on Sep 10, 2008
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