Dell OptiPlex 5055 Ryzen APU Tower Owners Manual - Page 68

Flashing the BIOS from the F12 One-Time boot menu, Updating from the One-Time Boot Menu

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1. Restart the computer. 2. Go to Dell.com/support. ● Enter the Service Tag or Express Service Code and click Submit. ● Click Detect Product and follow the instructions on screen. 3. If you are unable to detect or find the Service Tag, click Choose from all products. 4. Choose the Products category from the list. NOTE: Choose the appropriate category to reach the product page 5. Select your computer model and the Product Support page of your computer appears. 6. Click Get drivers and click Drivers and Downloads. The Drivers and Downloads section opens. 7. Click Find it myself. 8. Click BIOS to view the BIOS versions. 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. Flashing the BIOS from the F12 One-Time boot menu Updating your system BIOS using a BIOS update .exe file copied to a FAT32 USB key and booting from the F12 one time boot menu. BIOS Update You can run the BIOS update file from Windows using a bootable USB key or you can also update the BIOS from the F12 One-Time boot menu on the system. Most Dell systems built after 2012 have this capability and you can confirm by booting your system to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your system. If the option is listed, then the BIOS supports this BIOS update option. NOTE: Only systems with BIOS Flash Update option in the F12 One-Time Boot Menu can use this function. Updating from the One-Time Boot Menu To update your BIOS from the F12 One-Time boot menu, you will need: ● USB key formatted to the FAT32 file system (key does not have to be bootable) ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB key ● AC power adapter connected to the system ● Functional system battery to flash the BIOS Perform the following steps to execute the BIOS update flash process from the F12 menu: CAUTION: Do not power off the system during the BIOS update process. Powering off the system could make the system fail to boot. 1. From a power off state, insert the USB key where you copied the flash into a USB port of the system . 2. Power on the system and press the F12 key to access the One-Time Boot Menu, Highlight BIOS Update using the mouse or arrow keys then press Enter. 68 System setup

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1.
Restart the computer.
2.
Go to
Dell.com/support
.
●
Enter the
Service Tag
or
Express Service Code
and click
Submit
.
●
Click
Detect Product
and follow the instructions on screen.
3.
If you are unable to detect or find the Service Tag, click
Choose from all products
.
4.
Choose the
Products
category from the list.
NOTE:
Choose the appropriate category to reach the product page
5.
Select your computer model and the
Product Support
page of your computer appears.
6.
Click
Get drivers
and click
Drivers and Downloads
.
The Drivers and Downloads section opens.
7.
Click
Find it myself
.
8.
Click
BIOS
to view the BIOS versions.
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.
Flashing the BIOS from the F12 One-Time boot menu
Updating your system BIOS using a BIOS update .exe file copied to a FAT32 USB key and booting from the F12 one time boot
menu.
BIOS Update
You can run the BIOS update file from Windows using a bootable USB key or you can also update the BIOS from the F12
One-Time boot menu on the system.
Most Dell systems built after 2012 have this capability and you can confirm by booting your system to the F12 One-Time Boot
Menu to see if BIOS FLASH UPDATE is listed as a boot option for your system. If the option is listed, then the BIOS supports
this BIOS update option.
NOTE:
Only systems with BIOS Flash Update option in the F12 One-Time Boot Menu can use this function.
Updating from the One-Time Boot Menu
To update your BIOS from the F12 One-Time boot menu, you will need:
●
USB key formatted to the FAT32 file system (key does not have to be bootable)
●
BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB key
●
AC power adapter connected to the system
●
Functional system battery to flash the BIOS
Perform the following steps to execute the BIOS update flash process from the F12 menu:
CAUTION:
Do not power off the system during the BIOS update process. Powering off the system could make
the system fail to boot.
1.
From a power off state, insert the USB key where you copied the flash into a USB port of the system .
2.
Power on the system and press the F12 key to access the One-Time Boot Menu, Highlight BIOS Update using the mouse or
arrow keys then press
Enter
.
68
System setup