How to Check Laptop is Genuine OR Not (Quickly)

After buying a new or second-hand laptop, you must have to be sure that the laptop is genuine. It is a very crucial thing to know for getting away from a fake laptop because if your laptop is not genuine then there are very high chances of system crashing, hacking, and there will not be any warranty for that laptop. So you must check that your laptop is authentic.

For that, Here I will show you the best ways by which you can check whether your laptop is genuine or not.

Step 1. Checking for the Serial Number

Checking and verifying the serial number of the laptop is one of the best ways to check the laptop’s authenticity. And we will be using this for verifying our laptop.

The serial number in a laptop is an identification number that is unique for every laptop, it indicates the originality and authenticity of the product. These Serial numbers are provided by the Manufacturer of the laptop.

Steps to check Serial Number

Mostly the serial number is written on the box of the laptop or you can also find it somewhere on the laptop’s back body. So you can check it there.

Or you can also find it by doing these steps:

Step 1. Click on Start, search for “Command Prompt”, and open it.

Step 2. Type or Paste this command “wmic bios get serialnumber”

Step 3. Click enter. And here you get the serial number of your laptop.

Getting Laptop Serial number from Command Prompt

Step 2. Verifying the Serial number

Once you get the serial number of your laptop, then you have to verify it with the manufacturer for checking its validity.

You can verify it at the official website of your laptop manufacturer. Just go to the browser and search for “Brand name warranty lookup” if I have a laptop of dell then I will search “Dell warranty lookup” and go to the official link of the manufacturer. You can also search for the brand of your laptop.

Then, simply enter your Serial number there, and then it will show you the information related to your laptop like when warranty expiry, laptop under warranty or not.

If you got these information then your laptop is genuine and if you did not get it then you can contact from where you bought your laptop or you can also contact the manufacturer regarding this.

Warranty Lookup page link of most common brands:

Tip: You must check and verify your laptop’s serial number whenever you buy a second-hand or a new laptop.

Also Read: How to Check Windows is Genuine or Not


These are very simple steps to check whether your laptop is authentic and genuine or not. And hence you can also get away from the fake product and out of many risks. Hope this post is helpful to you, you can also share this post if you found it helpful.

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Shivanshu Karn

Shivanshu Karn

Shivanshu is a web developer, programmer, and beginner level data scientist. He enjoys writing technical content.