New and more RAM and now i lag

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Sir SuperNoob404

Sir SuperNoob404

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Aug 14, 2014
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Ok so i have a Dell XPS15 L502x (yes i know, its a fossil) that i purchased about 3 years ago or so. Could get some games i had (BF3, MW3, CoD Ghosts etc...) to run smoothly with the measly 4GB (3.25 usable i believe) of RAM that came with this laptop. So the other day i purchased 2 G.Skill RAM cards as a set listed in the link below,

http://www.newegg.com/Product/Product.aspx?Item=N82E16820231295

and now i lag even worse than before with double the RAM!
What did i do wrong? Is it something i did, or is this laptop just seen its days?
 
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jimpz

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Jan 20, 2012
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Conceivably, this ram may not work properly with the Dell mobo, not all DDR3# ram will work with all ddr3 mobo's,
the other question I would have is as you say, with the old ram, only 3.25 is usable, is your OS 64 bit?
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Sounds like you had a 4GB and added 2 2GB sticks? That can screw things up, and being a laptop with a locked BIOS not a whole lot you can do to straighten out the DRAm, might try with just the new an see how that is - it may not like the sticks themselves
 
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Sir SuperNoob404

Sir SuperNoob404

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Aug 14, 2014
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I may have been a bit unclear so i apologize for that. My xps15 has 2 RAM slots. I REMOVED the 2 x 2GB factory RAM cards and REPLACED them with 2 x 4GB G.Skill RAM cards of the exact same Mhz. Now it lags.

sorry for any confusion
 
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J

jimpz

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Jan 20, 2012
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While you may need to double check w/ dell, not all memory is compatible w/ all mobo's. Even memory from the same company as the original may not work depending on frequencies, latencies & manufacturing differences. Many mobo companies put out list of specific memories modules that should work in their mobo's for this reason. It doesn't mean others won't work, but they may not. If your original memory works & the new memory doesn't work properly, (if thats the only change you made) there are only 2 reasons 1) the memory is bad or 2) it's not compatible with your system.
 
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