To add the DVD Boot option manually in Dell Phoenix BIOS setup.
Steps are provided below:
- Boot mode should be selected as UEFI (Not Legacy)
- Secure Boot set to Off
Note: If the system is not set to boot to UEFI, change it from the BIOS (F2) during startup or from the One-Time Boot (F12) menu.
- Go to the 'Boot' tab in the BIOS and select Add Boot option. (see fig 4)

Figure 4
- A new window will appear with 'blank' boot option name. (Figure 5)

Figure 5
- Name it "CD/DVD/CD-RW Drive"
Note: In the File System List field select the option with "CD" at the end.
Example: "PciRoot (0x0)/Pci (0x1F, 0x2)/Sata(0x3,0x0,0x0)/CD"
- Leave the File Name entry blank.
- Now using tab key, highlight YES and hit ENTER.
Note: If the option for CD/DVD/CD-RW Drive is not present then the drive may not be detected by the system hardware. Try physically re-seating the drive where possible or swap with another systems drive to rule out the drive as the cause of any failure.
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Press < F10 > key to save settings and restart.
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The system will restart.
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Tap the <F12> key on startup for boot menu, DVD option will be there under UEFI
Note: Alternatively if you see an onscreen message to 'Press any key to boot from CD/DVD'Press any key to proceed.