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 menu.įigure 5: After the BIOS flash file is selected, click the OK button.įigure 6: Clicking the Begin Flash Update button.

In the open 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 must select FS1 (USB flash drive file system) ( 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 causes 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.If SupportAssist is not available on your computer, follow the on-screen instructions to install Dell SupportAssist. Click 'Download & Install SupportAssist' to auto-detect your Dell product.Browse to the Dell Drivers & Downloads website.NOTE: Only Dell computers with the 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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