How to Find Your PC's Serial Number and Warranty Status

How to Find Your PC's Serial Number and Warranty Status

No sticker? No problem --- your computer probably has it saved internally.


  1. Open the Command Prompt by pressing the Windows key on your keyboard, then pressing X. Select Command Prompt (Admin) on the menu.
  2. Type wmic bios get serialnumber and then press Enter on your keyboard.
  3. The serial number will be shown on the screen.


  1. Click the Apple  logo on the top left corner. Select About This Mac.
  2. The serial number will be shown on the screen.

How to Check Laptop Warranty Status by Serial Number

HP laptops – an overview

Hewlett Packard – commonly known as HP is a world leader in manufacturing computer, laptops, software, networking and other data storage services. One of the leading manufacturers of computers and laptops, HP has a huge product range. To identify your particular device from among its product lineup, HP uses a generally used concept of serial number.

You should be able to find your serial number following some easy steps. Once you are equipped with your product serial number, it would be an easy task to check your warranty status.

How to find serial number of your HP laptop?

As we said before, your HP laptop is identified by a unique number allotted to it. You should be able to locate your serial number following the simple options indicated further in the article.

Method 1 –

Check the box that your HP laptop came in. You should be able to find the sticker that displays your product name and model. Locate the entry for Serial Number and note down the 10 digit number. This would be your HP laptop serial number.

Method 2 –

You should also be able to find your serial number at the bottom of your laptop. Look for the sticker that displays your product information of your HP device. The sticker should contain your product serial number. The sticker should also provide information on product number and model of your device.

Method 3 –

Your product serial number can also be found on the invoice that came with your laptop. When the product is scanned at the checkout, your serial number must have been entered in the receipt.

How to check HP Laptop Warranty Status using serial number?

Once you have obtained your serial number, it should not be a tough task to check your warranty status online. But before you can check the warranty, we would advise you to register your product on the official support page. This would help you access some additional support features and updates.

How to register your HP Laptop online? Well, it should indeed be an easy task. Follow the steps here below to register your HP Laptop –

  • Choose your country, preferred language and the purpose of the product.
  • Enter your product number or model and click on search.
  • On the next page, fill in your HP Product serial number and your personal details.
  • This would complete your product registration.

You should now be able to find your product details and other required information.

How to check warranty status?If your objective is only to check your HP Laptop Warranty status, you can follow the steps here below. However, registering your product comes with its own set of advantages.

  • Enter your country and product serail number.
  • Click on Check Warranty. That does it, your warranty information will be displayed on your screen.

What is Lenovo Serial Number and How to Locate It?

Well, Lenovo has several products. To differentiate each of its products in each of the product range, it uses the concept of serial number. Each of the product across different product line up comes with a serial number assigned to it. Every device has its unique serial number.

You will need the serial number for several reasons. Whether you want to check the specifications of your product or want to find drivers for your device, you will need to provide your serial number for the purpose. When you visit the official Lenovo Website for any query, you will be asked to enter the serial number of your product. If you are contacting Lenovo over the phone for any queries about your laptop, the customer service executive will ask you for the serial number of your product.

How will you locate your Lenovo Serial number? Well, it should be quite simple. Look for the sticker at the bottom of your Lenovo product. The serial number will ideally be in the format S/N xxxxxxxx. The image below should give you an idea about the Lenovo serial number.

If you cannot find the serial number sticker for any reason, you can use the Command Prompt for the purpose of locating the serial number. Here is how you can do it –

  • Type in cmd in the search box and find cmd.exe.
  • Right click on cmd.exe, and choose Run As Administrator.
  • In the Command Prompt Window, type in wmic bios get serialnumber and press ENTER.

Your serial number should now be displayed.

How to check Lenovo Laptop Warranty with serial number?

Why is it so important to check the warranty status of your Lenovo product? Well, for obvious reasons. The company warrants your product for a period of 12 months (in the general case). If you come across any issues or manufacturing defects with your system, you can get free of cost replacement of the part, or even the product.

In fact, the first step that you need to go through when your Lenovo laptop has any issues is to check its warranty status. For the purpose of checking your warranty status, you would need to register your Lenovo laptop.

Here is how you can register your Lenovo product –

  • Visit Lenovo Registration site.
  • Choose your Country or Region from the drop down list.
  • Enter the required details. The details you are expected to enter include Emails ID, Name and phone number.
  • Enter the details of your purchase. You will need to enter the model number of your laptop that you can find from the sticker at the back of your device.
  • Next step would be to enter your serial number. We assume you have found your serial number following the above steps.
  • Enter the purchase date and location.
  • Finally, click on Submit.

That would complete your product registration.

Once you have registered your product, you should be able to check your warranty following easy steps. Here we go with the steps –

  • Visit link for warranty status.
  • Click on Check Warranty.
  • In the next page, enter your serial number in the space provided.
  • You can also go for extended warranty using the link within the page specified above.

If you own a Dell laptop, you can visit our tutorial on how to check Dell Laptop Warranty Status.

Any other features?

Well, online registration of your product offers you several additional features and services. Some of the services that you can make use of include –

  • Driver installation and updates – You can check the driver details of your laptop and connected devices. You can use the official site to find the updates that may be available to your drivers. If any driver is missing or corrupted, this would be the best option for rectifying the driver files.
  • Get extended warranty – You can opt for the extended warranty of your product. You can check your eligibility and the effective charges for the extended warranty.
  • Diagnose your device – If you have any issues with your laptop, you can perform a perform diagnostics of your device with ease. It would help you pin point the exact issues that your laptop may be suffering from and possible resolutions.
  • Manuals and Other Downloads – Registration through serial number would be helpful in finding the ways to enhance the functionality of your laptop. The downloads specifically meant for your model would help you make the most of your device. It would be simple and a secure way of downloading the software that is meant for your device with ease.

Check Dell Laptop Warranty Status Through Service Tag

Laptops have been one of the most used devices of late. It could be a good idea to keep track of the warranty status of your laptop so that you can keep track of the same. Each of the laptops come with their own standard procedure for checking the warranty status of your device. As for Dell Laptops, the warranty status can be checked using the service tag. If your laptop is out of warranty, you can visit your nearest after warranty dell service center for a prompt and reliable service. We present the procedure for how to locate the service tag and check Dell laptop warranty status in the following paragraphs.

What is a Service Tag?

All Dell products come with a unique number allotted to them. This unique number is known as Service Tag. In the case of a laptop, it should be on the rear of your device. However, it may also be found at the side or bottom of your laptop depending upon your laptop model.

The tag is important in several aspects. You can refer to the image in the above picture for a clear understanding of the tag. Please note that the service tag need not look exactly as in the image shown above. Dell uses the service tag for identifying your particular device from among the other devices. The tag is much needed if you are in need of any sort of online support for your device.

Some other uses that you can put the service tag to include checking for the drivers that your device is compatible with. It can also be used for resetting the passwords of your Dell laptops.

How to Find the Dell Service Tag?

Well, we guess we have explained it above. Make sure you have a Dell Laptop. Check the back of your laptop for a sticker that resembles the one in the above image. You should be able to locate the service tag number quite conspicuous on the sticker.

The exact location of the sticker may depend on your device and the model. A majority of the laptops have the sticker on the back of their device. However, some of them may have the service tag sticker on the side of the device.

How to check the warranty status of your Dell laptop?

You will need the service tag for checking the warranty service of your Dell laptop. Once you have located the service tag of your Dell laptop, you can easily check your warranty service by visiting the official site. Here is how you can do it –

  • Visit the official Dell site at this link.
  • Hover your mouse over Support tab.
  • Click on Warranty
  • You will now be taken to the Warranty Checkup Page.
  • Enter your service Tag number in the space provided.
  • Alternatively, you can also click on Detect Product to find the service tag of your Dell product. Please note that the Detect Product will only work if you are usin the same Dell laptop to access the site for which you want to check warranty status.
  • Make sure you have entered the correct service tag number and click on Submit.
  • You should now be able to get all the details about your device on your screen.

What else can you use the Service tag for?

The service tag not only lets you check the warranty status of your Dell laptop, but also offers you several other functionalities. The image above should provide you a clear indication of other services that you can have access to. Some of them include

  • Diagnostics – You can check your laptop on the move for any issues that it may have. The online diagnostics should help you in performing a complete checkup of your device. There are default error check ups including CPU, keyboard and card reader. If you are confused about any specific error code, you can check them out as well.
  • Drivers and Software – The page also gives you access to drivers that are compatible with your laptop. If any of the drivers have upgrades to them, you will be notified and can update the drivers. You may also download the new drivers if you find any of the drivers are missing. The website can check and detect any missing drivers.
  • User Manuals and Downloads – You can download the documents and manuals for the proper up keeping of your device. The manuals will help you understand the device for better.
  • Check Configuration – The warranty portal also helps you check the current configuration of your device model. This would be helpful in checking if your configuration has any issues.
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