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To access these settings, you can consult your PC manufacturer’s documentation or follow these instructions: Run Settings > Update & Security > Recovery and select Restart now under Advanced startup. From the next screen, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes.
To change these settings, you will need to switch the PC boot mode from one enabled as “Legacy” BIOS (also known as “CSM” Mode) to UEFI/BIOS (Unified Extensible Firmware Interface). In some cases, there are options to enable both UEFI and Legacy/CSM. If so, you will need to choose for UEFI to be the first or only option. If you are unsure how to make any necessary changes to enable the UEFI/BIOS, we recommend that you check your PC manufacturer’s support information on their website.
While the requirement to upgrade a Windows 10 device to Windows 11 is only that the PC be Secure Boot capable by having UEFI/BIOS enabled, you may also consider enabling or turning Secure Boot on for better security.
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What is Secure Boot?
Secure Boot protects the boot process against security attacks from malicious code like malware and ransomware. Secure Boot is firmware-dependent and requires that the computer BIOS is set to UEFI mode.
How to Verify that Secure Boot is Enabled:
Click the Windows Button to the bottom left of the screen or press the Windows Key.
In the Search Bar, type: msinfo32
Press Enter.
System Information will open, and System Summary should be selected by default.
On the right side of this screen, look for BIOS Mode and Secure Boot State.
- If Secure Boot is enabled, the BIOS Mode will show “UEFI,” and Secure Boot state will show “On” (Figure 1).
Figure 1
If the BIOS Mode shows “Legacy” in the Boot setting in the computer BIOS, it must be switched from Legacy to UEFI mode.
Verify that your computer was tested for the upgrade to Windows 11 before you continue as older computers may not meet the Windows 11 system requirements.
Switching from Legacy to UEFI Mode
- Boot your computer.
- Tap the F2 key when the Dell logo appears to enter the BIOS.
- The following steps can vary based on your computer model:
Alienware, Inspiron and Vostro
- Go to Boot -> Change Secure Boot List Option to UEFI.
- Press the F10 key to Save and Exit.
OptiPlex, Precision, Wyse, and XPS
- Go to General -> Boot Sequence -> Boot List Option – Change to UEFI.
- Click Apply -> click Exit – Save the Changes.
Enabling Secure Boot
Secure Boot is controlled by the computer firmware (BIOS) and can be enabled with a few simple steps:
- Boot your computer.
- Tap the F2 key when the Dell logo appears to enter the BIOS.
- The following steps can vary based on your computer model:
Alienware, Inspiron and Vostro
- Go to Secure Boot -> Change Secure Boot to Enabled.
- Press the F10 key to Save and Exit.
OptiPlex, Precision, Wyse, and XPS
- Go to Secure Boot -> Secure Boot Enable -> Check Secure Boot Enable.
- Click Apply -> click Exit -> Save the changes.
The computer will restart and boot back to the Windows desktop.
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