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# How to Find Your Laptop's Serial Number Using Command Prompt
- URL: https://www.techloy.com/how-to-find-your-laptops-serial-number-using-command-prompt/
- Published: 2025-05-27T17:03:35.000Z
- Updated: 2025-05-27T17:03:35.000Z
- Description: Need warranty service or tech support? Your PC’s serial number is the key.
- Author: Oluwaseun Bamisile
- Tags: / Tech Guide, Microsoft Windows, Laptop-PC

Ever been in a situation where you're on the phone with tech support, and they ask for your PC's serial number? You scramble to find it, flipping your laptop upside down, squinting at faded stickers, or digging through old receipts. I've been there, and it's not fun.

Your PC’s serial number is like a digital fingerprint—completely unique to your device. No two computers share the same one. Manufacturers use it to identify your exact unit, track warranty status, validate support requests, and even help law enforcement in case of theft. Without it, you might be stuck when it comes to getting repairs, claiming warranty services, or verifying ownership.

So, whether you're troubleshooting, registering your device, or just being proactive, knowing how to find your PC's serial number is something every user should have in their back pocket. Here's how to find out what your PC's serial number is. 

[How to Find Your Android Phone’s IMEI Number with Google’s Find My DeviceHaving this backup method ensures you’re never left scrambling for your IMEI number when you need it.![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/icon/techloy-avatar-1-2049.png)TechloyOyinebiladou Omemu![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/thumbnail/photo-1599016012665-13b74bb3b528-2)](https://www.techloy.com/how-to-find-your-android-phones-imei-number-with-googles-find-my-device/)

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If your PC isn't booting up or you prefer a physical check, flip your laptop over and look for a label or sticker. The serial number is often listed next to "S/N" or "Serial Number." For desktop users, check your device's back or side panels for a similar label. 

## **Steps to Find A PC's Serial Number**

### **Step 1: Open your Windows Start menu, search for "cmd", and select the Command Prompt application**

![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/2025/05/image-279.png)

### **Step 2: In the Command Prompt window, type "wmic bios get serialnumber" and press Enter** 

![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/2025/05/image-280.png)

### **Step 3: Consequently, your PC's serial number should be displayed**

![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/2025/05/image-281.png)

[How to Check Your Windows PC UptimeCheck your system’s uptime to see if a quick reboot could solve slowdowns or bugs.![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/icon/techloy-avatar-1-2041.png)TechloyOluwaseun Bamisile![](https://storage.ghost.io/c/c1/a6/c1a6d111-d951-41ad-a392-c1e841210b93/content/images/thumbnail/photo-1522198648249-0657d7ff242a-1)](https://www.techloy.com/how-to-check-your-windows-pc-uptime/)

### **Conclusion**

Discovering your PC's serial number doesn't have to be a daunting task. Whether you use the Command Prompt for a quick digital lookup or find it on your device's physical label, having this information at your fingertips is invaluable. It streamlines support processes, aids in warranty claims, and enhances your overall tech management.

So, take a moment to locate and record your PC's serial number. Store it in a safe place, and you'll be prepared for any situation that requires it.

*Image credit: Oluwaseun Bamisile/Techloy.com*