How to Find the Service Tag on a Dell Product

This wikiHow teaches you how to identify the 7-digit serial number or warranty code on your Dell product’s Service Tag. The service tag is product-specific and is typically required by Dell when it comes to customer support. Any newer Dell product is labeled with a Service Tag, which may fade over time. If the label on your computer or tablet has been blurred or lost, you can view the Service Tag through Windows, Linux, or Android.

Table of Contents

Find stickers on any Dell product

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Find the label on the laptop. This card, which is white or black with contrasting characters, is usually located near the battery tray cover under the laptop. ^{[1] X Research Source} Look for 7 alphanumeric characters next to or below the word “Service Tag” (sometimes “Serial Number”).

Some laptops have a metal cover on the bottom that often obscures the sticker. If the label is not found, lift the cover.

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Find labels on desktop PCs. Usually the white label will be affixed near the top, behind the case. Sometimes you’ll find a black label with white text on top of the product. Either way, the label includes 7 alphanumeric characters next to or below the word “Service Tag” (possibly “Serial Number” on previous models).

If you’re using an All-in-One PC, look for the white label with black text on the back, near the bottom of the screen.

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Find the label on the printer. With most models of built-in printers, you need to lift the scanner lid to find a black and white label with the title “Service Tag”. On older models, a large white bar code label will be affixed to the back of the product or located in the toner/cartridge compartment. Service Tag is a code consisting of 7 alphanumeric characters.

Using SupportAssist for Windows

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Open SupportAssist. SupportAssist comes pre-installed on most Dell PCs and tablets running the Windows operating system. ^{[3] X Research Resources} You can usually find them in Start > All Programs > Dell .

As long as the device has SupportAssist pre-installed, when you open the application, a Service Tag code with 7 alphanumeric characters will appear in the upper right corner of the window.
If SupportAssist is not available but the device is online, proceed to the next step.
If the device does not have SupportAssist installed and cannot access the network, you need to see this method.

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Go to http://www.dell.com/support/home/us/en/19/Products/?app=drivers . You only have to do this step if you still can’t find the Service Tag in the previous step.

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Click Detect PC next to the “Enter a Dell Service Tag” field. Dell will start scanning the current PC.

If a PC information window appears, it means that the computer has SupportAssist installed. At this point, 7 characters Service Tag will be displayed in the upper right corner of the page.
If SupportAssist is not found, the message “You need Support Assist” will appear above the gray box. In this case, you need to continue to the next step.

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Agree to the terms and click Continue . The SupportAssist app will begin the installation.

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Follow the on-screen instructions to complete the installation. Once SupportAssist is installed, you will find the Service Tag code in the upper right corner of the window. This is a code sequence consisting of 7 alphanumeric characters.

Using Windows Command Prompt

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Press ⊞ Win + S . The Windows Search search bar will appear next to the Start menu.

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Type cmd or command prompt in the Search bar. A list of results will appear.

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Click Command Prompt from within the results.

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Type wmic bios get serialnumber at the command prompt and press ↵ Enter . The Service Tag will appear as a 7-character alphanumeric code below the word “SerialNumber.” ^{[4] X Research Sources} ”

Use settings on Android tablets

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Open Settings

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(Settings) on Android. Apply this method if your Dell tablet runs Android operating system instead of Windows. To open Settings, drag the notification bar down from the top of your home screen and tap the gear icon in the upper-right corner. You can also find this icon in the app drawer.

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Tap About Tablet . You may need to scroll down a bit to find it.

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Look for the warranty code next to “Service Tag” or “Serial Number”. This code consists of 7 alphanumeric characters. ^{[5] X Research Sources} ”

Using Linux commands

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Press Ctrl + Alt + T . A command line window will open.

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Type sudo dmidecode -s system-serial-number and press ↵ Enter . ^{[6] X Research Source}

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Enter the password and then press ↵ Enter . Once the password is accepted, you’ll find the 7 alphanumeric characters of the service tag under “SerialNumber.”

Boot into BIOS

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Turn off the computer. If the Service Tag is lost or becomes hard to read and you cannot use either Windows or Linux, look for the service tag in the BIOS. Start by powering off the computer.

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Turn on the PC and press F2 when the Dell logo screen appears. You need to quickly press F2 as soon as you see the Dell logo. This will give you access to the BIOS.

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Find the Service Tag among the system information. Usually on the screen that appears by default there will be the line “Service Tab”, but you may need to look in other tabs. Service Tag consists of 7 alphanumeric characters. ^{[7] X Research Sources}

Advice

The service tag is usually affixed to a Dell printer, tablet, or other device. You can usually find it on the back of the device (or on the scanner tray for Dell printers/scanners). With Dell tablets, however, you’ll need to open the back cover to see the service card.

Steps