Dell OptiPlex 5055 Ryzen APU Tower Owners Manual - Page 72

Do not power off the system during the BIOS update process. Powering off the system could make,

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● 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. 3. The Bios flash menu will open then click the Flash from file. 4. Select external USB device 72 System setup

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●
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
.
3.
The Bios flash menu will open then click the
Flash from file
.
4.
Select external USB device
72
System setup