Owner's Manual
Page 73
...click Detect Service Tag to dell.com/support. 3 If you have your computer's Service Tag, type your computer's service tag. NOTE: If the Service Tag cannot be detected automatically, select your product under the product categories. 4 Click View Drivers and Downloads. 5 In the Operating System... drop-down, select the operating system installed on your computer. 6 Click BIOS. 7 Click Download File to download the latest version of your computer's Service Tag and click Submit...
...click Detect Service Tag to dell.com/support. 3 If you have your computer's Service Tag, type your computer's service tag. NOTE: If the Service Tag cannot be detected automatically, select your product under the product categories. 4 Click View Drivers and Downloads. 5 In the Operating System... drop-down, select the operating system installed on your computer. 6 Click BIOS. 7 Click Download File to download the latest version of your computer's Service Tag and click Submit...