Laptop not accepting ddr3l ram upgrade

Megasteel32 · Apr 2, 2016

have a Lenovo G50-70 laptop (i5-4210U, 4 gigs ram, integrated graphics, 500 gig hdd) and I went to microcenter to buy another 4 gig stick of ram. The laptop can support 8 gigs, and has 2 slots, with one populated by a 4 gig stick. I knew that I could mix and mart ram as long as the timings were the same and if it was ddr3. So I bought a 4 gig stick of corsair ddr3 value select ram, ddr3. So I popped it in and the computer booted, and when I looked in taskmanager, it showed only 4 gigs of ram. I went into the bios, same thing. I updated my bios, still showing only 4 gigs. I booted with only the new stick in and it would not post...I checked online for both models of my ram (http://www.ramaxel.com/eng_Products.aspx?ClassIDPath=0%2c46%2c77%2c the old stick) and the new stick (http://www.amazon.com/Corsair-1600MHz-PC3-12800-204-Pin-CMSO4GX3M1C1600C11/dp/B00G40TB6E). I found that the old one was ddr3, and the new one ddr3L. When I looked up Lenovo G50-70 ddr3l, an article popped up about how the laptop only supports ddr3l. Well huh, becuase I have been using this laptop for a year now and have had no problems with the factory supplied ddr3 stick. Both sticks are CL 11, 1600 MHz, and ddr3l can supposedly up volt to 1.5 volts. So how can I use both sticks in my laptop? Thanks a bunch and let me know.

naturesninja · Apr 2, 2016

Do you have another laptop or mini pc to test it in? Timings and speed aren't the only things that are important for mixing RAM, like density for example. Try the new stick in the same slot that the factory stick was in when you try it or it may not boot if you already haven't tried. If it is in that slot, RAM is likely bad or incompatible. If it does boot in that slot, then the two sticks are incompatible. Also, you could very well have a bad RAM slot on your motherboard. Have you attempted to use your factory stick in both slots to test?

Megasteel32 · Apr 3, 2016

naturesninja :

I may have another laptop to test it, just have to find out if it uses ddr3 or ddr2. Both slots are working since I switched the sticks around and it booted only accepting the old stick. I'll try switching the stick around and see what happens.

naturesninja · Apr 3, 2016

You may want to clear your CMOS and try the new stick by itself, and then add the old one if it works. Also, try to update your BIOS if you haven't already
http://support.lenovo.com/us/en/products/laptops-and-netbooks/lenovo-g-series-laptops/g50-70-notebook-lenovo?beta=false make sure you select the correct OS.

Megasteel32 · Apr 3, 2016

naturesninja :

I checked the box and it says ddr3, so I have the incorrect type of ram. I updated the BIOS already, so that didn't work. Thanks for your help, but I'll have to go to Microcenter today to return it and buy a correct stick, and probably ask them if I can test it while I'm there.

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Laptop not accepting ddr3l ram upgrade

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