Dell OptiPlex 5070 Small Form Factor OptiPlex 7070 5070 3070 Re-imaging guide - Page 9

Updating or Resetting the BIOS Flashing the BIOS It is recommended to flash BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on your computer. 2 Go to www.dell.com/support. 3 Click Product support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model. 4 Click Drivers & downloads → Find it myself. 5 Select the operating system installed on your computer. 6 Scroll down the page and expand BIOS. 7 Click Download to download the latest version of the BIOS for your computer. 8 After the download is complete, navigate to the folder where you saved the BIOS update file. 9 Double-click the BIOS update file icon and follow the instructions on the screen. Clearing CMOS settings In the event that, flashing your computer with the latest BIOS update results in your computer being unable to boot, a BIOS reset is necessary. Clearing the CMOS settings will reset the BIOS to factory settings. For more information about clearing the CMOS settings, see your computer's Service Manual. Trusted Platform Module (TPM) security TPM must be enabled in the BIOS setup program for it to be deployed on the computer. Follow these steps to enable and configure the TPM: 1 Turn on or restart your computer. 9 Dell Customer Communication - Confidential