Gigabyte GA-Z77MX-D3H User Manual page 64

Step 4:
During the POST, press <Delete> to enter BIOS Setup. Select Load Optimized Defaults on the Save & Exit
screen and press <Enter> to load BIOS defaults. System will re-detect all peripheral devices after a BIOS update,
so we recommend that you reload BIOS defaults.
Select Yes to load BIOS defaults
Step 5:
Select Save & Exit Setup and press <Enter>. And then select Yes to save settings to CMOS and exit BIOS
Setup. The procedure is complete after the system restarts.
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