Updating Your System Bios Using A Usb Flash Drive; System And Setup Password - Dell Latitude 5480 Owner's Manual

9 Identify the latest BIOS file and click Download.
10 Select your preferred download method in the Please select your download method below window, click Download File.
The File Download window appears.
11 Click Save to save the file on your computer.
12 Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
NOTE: It is recommended not to update the BIOS version for more than three revisions. For example: If you want to update the
BIOS from 1.0 to 7.0, then install version 4.0 first and then install version 7.0.
GUID-08844976-AE7C-4757-B3AD-E54CA0CCAA20

Updating your system BIOS using a USB flash drive

If the system cannot load into Windows but there is still a need to update the BIOS, download the BIOS file using another system and save
it to a bootable USB Flash Drive.
NOTE: You will need to use a bootable USB Flash drive. Please refer to the following article for further details:
www.dell.com/support/article/us/en/19/SLN143196/how-to-create-a-bootable-usb-flash-drive-using-dell-diagnostic-
deployment-package--dddp-?lang=EN
1 Download the BIOS update .EXE file to another system.
2 Copy the file e.g. O9010A12.EXE onto the bootable USB Flash drive.
3 Insert the USB Flash drive into the system that requires the BIOS update.
4 Restart the system and press F12 when the Dell Splash logo appears to display the One Time Boot Menu.
5 Using arrow keys, select USB Storage Device and click Return.
6 The system will boot to a Diag C:\> prompt.
7 Run the file by typing the full filename e.g. O9010A12.exe and press Return.
8 The BIOS Update Utility will load, follow the instructions on screen.
Figure 8. DOS BIOS Update Screen
GUID-859887F0-B1B4-4530-855E-100D4FDE930A

System and setup password

You can create a system password and a setup password to secure your computer.
http://
System setup options 91