Use the following steps to update the BIOS from the F12 One Time Boot menu: Updating Computers with the AgS (White Background) BIOS (2020 and Newer) After the BIOS update is complete, restart the computer.The BIOS update process can take up to 10 minutes, but generally this process takes two to three minutes ( Figure 8). The progress bar may go from zero to 100 multiple times.When the warning message appears, read the message and click Yes to begin the BIOS update process ( Figure 7).įigure 7: Clicking Yes in the Do You Want to Proceed warning box.The file name varies ( Figure 4).įigure 4: Selecting the BIOS flash in the pop-up menu.įigure 5: After the BIOS flash file is selected, click the OK button.įigure 6: Clicking the Begin Flash Update button. In the pop-up window, select the BIOS flash executable file that you copied to the USB drive.In the BIOS flash menu, click the Browse button ( Figure 3).įigure 3: The Flash BIOS menu browse selection from the F12 menu.You will need to select FS1 (USB flash drive filesystem) ( Figure 2).Use the arrow keys and select BIOS Flash Update ( Figure 1).įigure 1: Selecting the BIOS Flash option on the F12 One Time Boot menu.Turn on the computer and tap the F12 key several times, until you see One Time Boot menu.To learn more about updating the BIOS on a Dell computer, see the Dell knowledge base article Dell BIOS Updates. Turning off the computer during the BIOS update will cause irreparable damage to the system board (motherboard) of the computer. WARNING: DO NOT TURN OFF THE COMPUTER DURING THE BIOS UPDATE PROCESS. Right-click the USB flash drive icon and select Format.

Open File Explorer (also known as Windows Explorer).Connect the USB flash drive to the computer.Click Download and save the file to your computer.Select the Operating System that is installed on the Dell computer.Or, click Browse all products to manually select your Dell product from the catalog.Or, enter the Service Tag, Express Service Code, or the Serial number of the Dell product and click Search.For more information, see the Dell knowledge base article Dell SupportAssist (formerly Dell System Detect): Overview and Common Questions. Click 'Download & Install SupportAssist' to auto-detect your Dell product.įollow the on-screen instructions to install Dell SupportAssist.Browse to the Dell Drivers & Downloads website.NOTE: Only Dell computers with BIOS Flash Update option in the F12 One Time Boot menu can use this function.ĭownload the BIOS Update File and Copy the File to a USB Flash Drive

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