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REGULAR Menu Lifewire Tech for Humans Newsletter! Search Close GO Computers, Laptops & Tablets > Microsoft
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Her work has appeared in Mashable, TechRadar, and many more publications. lifewire's editorial guidelines Updated on March 13, 2022 Reviewed by Jon Fisher Reviewed by
Jon Fisher Wichita Technical Institute Jonathan Fisher is a CompTIA certified technologist with more than 6 years' experience writing for publications like TechNorms and Help Desk Geek.
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In This Article
Expand Jump to a Section What Is a Laptop Serial Number Find the Serial Number Using Commands Physically Find the Serial Number Other Places to Look Why You Might Need It Frequently Asked QuestionsWhat to Know
Type wmic bios get serialnumber at command prompt.Look on underside of laptop for label.Check manufacturer's receipt or warranty notice. This article explains how to find the serial number of a Windows 10 or 11 laptop and why you might need to.
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What Is a Laptop Serial Number
A laptop serial number is a unique string of numbers and letters assigned to your laptop. No two laptops have the same serial number.Find the Serial Number Using Commands
One of the simplest ways to find your serial number is by typing in a few commands.
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Within moments, you can view your serial number and copy it into a different document. Here's where to look.
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This requires your laptop to be in operational. On your laptop, type cmd into the search bar. At the command prompt, type wmic bios get serialnumber.
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Press Enter. Your serial number will now appear after the prompt.
Physically Find the Serial Number
If your laptop won't boot up or you don't feel comfortable entering commands, turn your laptop over and look for S/N or Serial Number followed by a string of letters and numbers on the label.
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You might also find it on the box your laptop came in.
Other Places to Look
If you registered your laptop with the manufacturer, your serial number should be included in the registration documentation, warranty service receipt, or email confirmation.
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You might also find it on the purchase receipt.
Why You Might Need Your Laptop Serial Number
As mentioned previously, a laptop serial number is useful for warranty claims and insurance issues. It also helps technical support identify when your laptop was manufactured and explain what specific hardware it's running.
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, so it's useful in many situations—for example, when: You must prove your laptop's authenticity to a buyer.The manufacturer's technical or customer support person must identify its specific model, specifications, and/or warranty details.The laptop has been stolen and an insurance claim submitted.A technician must specify compatible parts for upgrades or repairs. FAQ How can I find my HP laptop serial number? First, check the underside or back edges of the laptop.
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Next, if you have a laptop with a removable battery, look inside the battery compartment. Finally, for a detachable laptop, remove the tablet from the dock to reveal the serial number.
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How can I find my Dell laptop serial number? Although you can use Windows commands to find the serial number, you can also find it on the Service Tag of a Dell laptop.
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The Service Tag is located on the bottom panel. How do I find the serial number on my Toshiba laptop? The serial number can be found as a printed sticker or laser etching on the bottom case of a Toshiba laptop.
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Alternatively, you can also download and run the Toshiba Product Information utility to retrieve your serial number. How do I find the serial number on my Lenovo laptop?
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On a Lenovo laptop, the serial number is on the bottom of the system. Alternatively, you can go to the Lenovo Support website, select Detect Product, and install Lenovo Service Bridge. After installation, Lenovo Service Bridge will open a product page with your laptop's information, including the serial number.
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