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1. In looking at my options, I found that within the Performance tap of Task Manager that it shows my laptop having 'Slots used: 2 of 4' so I had hoped to use the other two ports for additional memory. However, according to the hardware specifications for my laptop, there are only 2 x SODIMM slots available for use.
2. In task manager for win8, i see that memory says slots used 1 out of 4, which is currently 4 GB, but when i opened my laptop i can only see two. It also says slot 1: empty; slot 2: empty; slot 3: 4.0 GB,1333 MHz; slot 4: empty.

Whenever you want to add or upgrade RAM (Memory) then you’ll definitely want to know how many memory or RAM slots are available on my laptop. Meanwhile, it’s absolutely a daunting task to open a laptop case and check. So, in this guide, you will learn how to check the number of RAM slots in the laptop on Windows 10 operating system without opening the laptop case.

^^ is the task manager and showing 2 out of 4 slots. My other laptop is very similar but a year older and says 1 of 2 slots but i know where both slots are. If your computer motherboard has 4 slots and the max that your motherboard can support is 8Gb, then 2Gb per slot is the max. You can not use 2 - 4Gb sticks. You need 4 - 2Gb sticks. Empty RAM slots. Open the Task Manager and go to the Performance tab. Select ‘Memory’ and under the memory graph, look for the Slots used field. It will tell you how many of the total slots are currently in use. In the screenshot below, the system has a total of 2 slots, and one of them is in use.

You Might Also Like: How to Check RAM Type & Size in a Laptop on Windows 10

How to Check Number of RAM Slots in Laptop on Windows 10

So here, I will show you three (3) different ways to find the exact number of slots available on any laptop like HP, Dell, Acer, and many more.

Method 1. Check via Command Prompt

The Windows Management Interface Command (WMIC) is a basic but useful Command Prompt (CMD) tool for testing device details on which you run it. So, you can also find how many RAM slots you have on your laptop. Here how it’s done:

Step 1. Open Command Prompt or simply search cmd in the Start menu.

Step 2. In Command Prompt window, type wmicmemphysical get memorydevices and press Enter.

Step 3. The number shown under MemoryDevices is the exact number of RAM slots on your laptop.

wmic memphysical get memorydevices

Method 2. Check RAM Slots via Task Manager

Step 1. Right-click on the Taskbar and select Task Manager or simply press Ctrl + Shift + Esc to bring the Taskbar in the easiest way.

Step 2. Click More details to expand the Task Manager.

Step 3. Click the Performance tab and select Memory on the left-pane menu. Check the number of slots next to Slot used. If it’s 2 of 2, it means you have 2 RAM slots or if it’s 2 of 4, it means your laptop has 4 RAM slots.

Method 3. Find RAM Slots via CPU-Z

CPU-Z

CPU-Z is the most popular software on your computer and it provides all types of hardware information. You get RAM type, channel #, size, NB frequency, cycle time, and a lot more on a simple interface. The powerful hardware detection tool is based on a kernel-mode software driver that collects information in real-time. This app’s Qusere engine is really fast so you don’t have to wait any longer. And you can use this feature to search the RAM type on your Windows machine without hesitation.

Step 1. You can download CPU-Z from CPUID.comand follow the on-screen instructions to install.

Step 2. When installed, open the CPU-Z app, and if you’re prompted simply click Yes.

Step 3. Now, click the SPD tab and then click the down arrow in the Memory Slot Selection section.

CPU-Z

Wrapping Up

That’s it. This is how you can check RAM slots in a laptop on Windows 10 operating system. Usually, two RAM slots are available on most laptops. One is used while the other is able to be upgraded. You can replace the original RAM with new higher powerful RAM if you notice that your laptop has not an extra RAM slot and you do want to upgrade RAM. However, it is worth noting that you should be careful to pick the right RAM to prevent compatibility problems for your laptop.

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Hello all,

I've recently started having problems with my RAM memory (4 ram sticks of 2gb).

It worked perfectly fine before. Got 4 of the exact same ram sticks, but now the motherboard refuses to read more than 2 of the 4 slots at a time. (used to have 8GB, now it only sees 4gb). I've tried every ram stick individually in every slot and they all work properly. I've tried every combo of 2 sticks in all possible slot combinations and all worked. However as soon as I add the third and fourth or just a third stick it completely ignores that stick.

I'm 100% sure the sticks are compatible as they have worked properly before. Interesting aspect is that I updated my BIOS shortly before it happened (Not sure if it happened right away after updating). I've already tried downgrading my bios but the flash utility won't let me saying my backup file from the bios is 'outdated'. The Ai Suite program also can't downgrade it because the 'Bios interface has been changed/altered'. Could it be that the newer bios has different default settings which might cause some of my sticks to stop working(even though they're all the same sticks)?

PS. Already tried the CMOS reset, Battery reset, reseating the sticks numerous times, even moving them around which shouldn't have effect cause they're all 100% alike, also tried switching Memory remap around. My motherboard is an ASUS P8H67-M, the Ai suite (program from the motherboard) does see the entire 8gb installed, CPU-Z sees 8 GB as well but bios sticks to 4gb installed)

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Hope there's someone out there able to help.

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Regards,
Brian