MSI MPG Z790 CARBON WIFI LGA 1700 ATX Motherboard - Manual (Page 65)

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Resetting BIOS
You might need to restore the default BIOS setting to solve certain problems. There
are several ways to reset BIOS:
∙ Go to BIOS and press F6 to load optimized defaults.
∙ Short the Clear CMOS jumper on the motherboard.
∙ Press the Clear CMOS button on the rear I/O panel.
⚠
Important
Be sure the computer is off before clearing CMOS data. Please refer to the Clear
CMOS jumper/ button section for resetting BIOS.
Updating BIOS
Updating BIOS with M-FLASH
Before updating:
Please download the latest BIOS file that matches your motherboard model from MSI
website. And then save the BIOS file into the USB flash drive.
Updating BIOS:
1. Switch to the target BIOS ROM by Multi-BIOS switch. Please skip this step if your
motherboard doesn’t has this switch.
2. Insert the USB flash drive that contains the update file into the USB port.
3. Please refer the following methods to enter flash mode.
• Reboot and press Ctrl + F5 key during POST and click on Yes to reboot the system.
Press to activate M-Flash for BIOS update.
• Reboot and press Del key during POST to enter BIOS. Click the M-FLASH button
and click on Yes to reboot the system.
4. Select a BIOS file to perform the BIOS update process.
5. When prompted click on Yes to start recovering BIOS.
6. After the flashing process is 100% completed, the system will reboot automatically.