Download the software here: instructions are listed on the page.
Go to the SPD tab and look at the “Max Bandwidth” option; per the screenshot on the right, my computer has PC3-8500 memory.
Some computers can use multiple kinds of memory, but that’s beyond the scope of this guide.
We’ll assume what your computer needs is what’s listed. The simplest way to figure out how much memory your computer can address is to look it up on the manufacturer’s website; go to a search engine and type in the make and model of your computer.
Like the computer itself, the operating system also has a limit on how much memory it can address; this limit may be higher or lower than what the computer can handle.
This limit is chiefly determined by whether the operating system is 32- or 64-bit.
Only some manufacturers sell directly to consumers. Many computer enthusiasts are loyal to certain brands; in reality there’s no specific brand that works better than others.
If it will still not work do swap the place of those RAM's then try it again. Or you can try updating your BIOS maybe DELL have some fixes for this kind of issues. Crucial 8GB DDR3L-1600 SODIMM CT5835377 DDR3L PC3L-12800 • CL=11 • Unbuffered • NON-ECC • DDR3L-1600 • 1.35V • 1024Meg x 64 • upgrade for Dell Inspiron 15 5000 Series system. Lastly, do install the original RAM's and see if it will boot up or not and if it will boot up that means the RAM that you installed are not compatible. Here's a link that should give you the compatible upgrades for your laptop. We show you start to finish how to replace memory modules in a notebook computer in this guide.Computer Memory: the Basics A computer’s Random Access Memory (RAM) is a computer’s short-term memory.I searched for ‘HP Elite Book 8740w’; the first result was a link to HP’s website which had the product specifications, including the maximum listed memory.My computer has a maximum of 8GB via two 4GB modules.The next simplest way to go about figuring this out is calling or emailing the manufacturer’s support line.And of course, you’re always welcome to ask the experts in our forums: much memory can my operating system handle?Make sure you buy NOTEBOOK memory If you’re buying memory for a notebook, it should be listed as memory for notebooks in the product description. Installation Process The required tools for upgrading a notebook computer’s memory are a Phillips head screwdriver (a small one), a clean towel and a well-lit area. Most notebooks will have a process similar to what’s illustrated below.Memory is generally considered a user-serviceable component; the access panel should be located on the bottom of the notebook.