Dell POWEREDGE R620 - Manual (Page 12)

Updating BIOS on Dell 12G PowerEdge Servers
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2. Plug in the USB key and power on the system. Press F11 during POST to enter BIOS Boot
Manager (Figure 7).
BIOS Boot Manager Figure 7.
3. Click UEFI Boot Menu and choose the UEFI-bootable USB key to boot.
4. From the UEFI shell prompt, locate the file system for the USB key, and launch the BIOS flash
utility (Figure 8).