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. Within moments, you can view your serial number and copy it into a different document. Here’s where to look.
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. 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. 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. , 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.
