How to Determine Your Dell Service Tag

Discover how to locate the 7-digit Service Tag for your Dell product with this emindsca. The service tag is unique to your product and is typically required when requesting customer support from the manufacturer. All modern Dell products are equipped with a Service Tag sticker that can be found somewhere on the product, though the sticker may become damaged over time. However, even if your computer or tablet lacks a clearly visible sticker, you can still locate the Service Tag by using Windows, Linux, or an Android device.

Method 1 Locating the Sticker on Any Dell Product

1. Locate the sticker on a laptop computer. The tag is usually located on the bottom of the laptop, near the battery cover, and is either white or black with bold, contrasting letters and numbers on either side. Look for the 7-digit alphanumeric code that appears next to or below the words “Service Tag” or “Serial Number” on the vehicle’s dashboard.

Some laptops have a metal flap on the bottom that covers the sticker and prevents it from being seen. If you can’t see the sticker, lift the flap to reveal it and you should be fine.

2. Locate the sticker on a desktop computer. In most cases, a white sticker will be found on the back of the tower/case near the top, identifying it as such. On the top of the unit, there is also a black sticker with white lettering that you can see. Any of these locations should have a 7-digit alphanumeric code beside or below the words “Service Tag” or “Serial Number” to distinguish them (on older models).

For All-in-One PCs, look for a white sticker with black letters on the back of the monitor, near its bottom right corner, to identify it.

3. Locate the sticker on a printer and print it. The words “Service Tag” will be visible on most All-in-One models when the scanner lid is lifted. The sticker is black with white text and says “Service Tag.” Look for a large white sticker with a bar code on the backside of the unit or in the toner/ink cartridge bay if you have an older model of printer. The Service Tag is seven digits in length and is made up of both letters and numbers.

4. Locate the sticker on a computer monitor. If you have a black and white sticker on the back of your monitor that says “Service Tag,” you will be able to find your 7-digit alphanumeric code there.

Not all monitors are equipped with Service Tag stickers. It will be necessary to look for the Service Tag number on your invoice if you cannot locate the sticker.

5. Locate the sticker on a tablet computer. On the back of the tablet, there is a black label with white letters that says “Sign Here.” You’ll need to provide the 7-digit alphanumeric code that appears next to “Service Tag” in order to receive support.

6. Find the sticker on a projector and stick it there. It is customary for the projector to have a black sticker with white text on the underside. Even if you don’t see a sticker on the projector itself, it is likely to be in the storage bag that came with it. Simply look for the words “Service Tag” or “Serial Number” to discover the Service Tag code, which is a 7-digit alphanumeric code.

Method 2 Using SupportAssist for Windows

1. SupportAssist should be launched. SupportAssist is pre-installed on the vast majority of Dell PCs and tablets that run Windows. You’ll usually find it in the Start menu, under All Programs > Dell, or in the Start menu itself.

Whenever you open the app, the 7-digit alphanumeric Service Tag will be displayed at the top-right corner of the window as long as SupportAssist is installed on your computer.

You can proceed to the next step even if you do not have SupportAssist but are still able to connect to the internet.

If you do not have SupportAssist and are unable to connect to the internet, try this method.

2. Go to You’ll only need to do this if the previous step did not give you your Service Tag.

3. Next to the “Enter a Dell Service Tag” field, select Detect PC from the drop-down menu. Dell will now perform a scan of your computer.

If a window displaying information about your computer appears, you already have SupportAssist installed. Now, near the top-right corner of the page, you should be able to see your seven-digit Service Tag.

If SupportAssist cannot be found, the message “You require Support Assist” will appear above the grey box. Continue using this technique.

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

5. To complete the installation, follow the on-screen prompts to the letter. Once you’ve completed the installation of SupportAssist, you’ll be able to locate your Service Tag in the top-right corner of the browser window. It’s a 7-digit code that contains both letters and numbers in equal measure.

Method 3 Using the Windows Command Prompt

1. Press ⊞ Win+S. This opens the Windows Search bar next to the Start menu.

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

3. Click Command Prompt in the search results.

4. Type wmic bios get serialnumber at the prompt and press ↵ Enter. The Service Tag is the 7-digit alphanumeric code that appears below “SerialNumber.”

Method 4 Using an Android Tablet’s Settings

1. Open your Android’s Settings. If your Dell tablet came pre-installed with Android rather than Windows, follow this procedure. The Settings menu can be accessed by dragging the notification bar down from the top of the home screen and then tapping on the gear icon in the top-right corner. In addition, the gear icon can be found in your app drawer.

2. Tap About Tablet. You may have to scroll down a little to find it.

3. Find the Service Tag next to “Service Tag” or “Serial Number.” It’s the 7-digit code containing both letters and numbers. “

Method 5 Using Linux Commands

1. Press Ctrl+Alt+T. This opens a terminal window.

2. Type sudo dmidecode -s system-serial-number and press ↵ Enter.

3. Enter your password and press ↵ Enter. Once your password is accepted, you’ll find the 7-digit alphanumeric Service Tag below “SerialNumber.”

Method 6 Booting Into the BIOS

1. Turn off the computer and save your work. If your Service Tag sticker is missing or illegible, and you are unable to use one of the Windows or Linux methods to locate your Service Tag, you can locate your Service Tag in the BIOS of your computer. To begin, turn off the computer’s power source.

2. Restart the computer and press F2 when the Dell logo appears on the screen. Make sure to press this key as soon as you see the Dell logo appear on the screen; otherwise, you’ll lose your place. This will take you to the BIOS screen.

3. Locate the Service Tag in the system information by using the search function. In most cases, you’ll find a line labelled “Service Tab” on the screen that opens by default; however, you may have to navigate through other tabs in order to find it. Generally speaking, the Service Tag is a seven-digit code that contains both letters and numbers.

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