DDR3 not detected at my new Asus transformer Labtop TP500LN

Agadeerr

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Oct 18, 2015
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I just bought a new Asus transformer Laptop TP500LN ( the version which have 840m GPU ) , the Lab came with a 4 GB DDR3 ram , When i opened it , I have found that the Ram is attached to the motherboard and there is an empty socket which can hold anohter 8GB DDR3 ram as shown at the following Pic .

So I tooked my other two old working DDR3 Rams from my old Laptop (Dell inspiron n5010) to try them , but both didn't work at the Asus TP500LN , the Bios just read the 4 GB ram , the first ram was Kingston 2GB DDR3 ram as shown at the following pic , the other was Samsung 2GB DDR3 and both work together well at the Dell Laptop .

Motherboard and Ram :
http://i.stack.imgur.com/vHXs5.jpg

I know the Build-in ram is DDR3L 1600(O.C.) MHz SDRAM as specified at the Asus site here www.asus.com/2-in-1-PCs/ASUS_Transformer_Book_Flip_TP500LN/specifications/ and My old rams are DDR3-1333 with a lower speed , but i read that they can work together at the lowest speed of them , So is my Socket corrupted ? or its a compatibility problem ? if the second one , what options i have to buy to increase my memory ?
 
Solution
I think the reason its not detecting it is that the old ram is DDR3 and the new is DDR3L. Since DDR3L runs on a lower voltage, the laptop wouldn't be giving the RAM stick enough power to run, explaining why it isn't detected. I could be wrong though.
I don't think anything is broken, it just means you need another stick of DDR3L RAM if you want 2 sticks of RAM.

bmw-vision

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Sep 8, 2015
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I think the reason its not detecting it is that the old ram is DDR3 and the new is DDR3L. Since DDR3L runs on a lower voltage, the laptop wouldn't be giving the RAM stick enough power to run, explaining why it isn't detected. I could be wrong though.
I don't think anything is broken, it just means you need another stick of DDR3L RAM if you want 2 sticks of RAM.
 
Solution

Agadeerr

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Oct 18, 2015
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thanks that was a helpful information , is there a program I can use to check and confirm that my empty slot at the motherboard will accept only the DDR3L version ?

 

bmw-vision

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I'm not sure, but a quick lookup about it shows that some boards may accept DDR3, while others won't. Another point some people have pointed out was that you probably can't mix them.
I'm not sure if you already have tried already, but run just the DDR3 ram. This should answer whether it can run it.

http://www.tomshardware.com/answers/id-2431277/ddr3-ddr3l-laptop.html
http://en.community.dell.com/support-forums/laptop/f/3518/t/19567979