32
UEFI BIOS
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.
⚠
Important
Be sure the computer is off before clearing CMOS data. Please refer to the
Clear
CMOS
jumper 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.
Insert the USB flash drive that contains the update file into the USB port.
2.
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 <Ctrl+F5> 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.
3.
Select a BIOS file to perform the BIOS update process.
4.
After the flashing process is 100% completed, the system will reboot
automatically.
Summary of Contents for B550-A PRO
Page 10: ...X Quick Start Connecting Peripheral Devices Processor with Radeon Graphics...
Page 11: ...XI Quick Start Power On 4 3 1 2...
Page 12: ...XII Quick Start NOTE...
Page 52: ...NOTE...
Page 54: ...2 OS 29 Windows 10 29 29 29 UEFI BIOS 30 BIOS 31 BIOS 31 BIOS 32 BIOS 32 EZ 34 37 OC 38...
Page 55: ...3 ESD PC ESD ESD PC PC PC PC PC PC 60OC 140OF...
Page 61: ...9 B550 A PRO SATA 6G 2 1 M 2 3 pcs 1 1 1 DVD 1 1 MSI 1...
Page 63: ...11 I O PC Realtek Realtek...
Page 64: ...12 I O AUDIO INPUT Rear Front Side Center Subwoofer AUDIO INPUT 7 1...
Page 80: ...28 EZ Debug LED LED CPU CPU DRAM DRAM VGA GPU PCIE M 2 BOOT LED_SW1 EZ LED LED LED_OFF LED_ON...
Page 92: ...NOTE...
Page 94: ...2 OS 29 Windows 10 29 29 29 UEFI BIOS 30 BIOS 31 BIOS 31 BIOS 32 BIOS 32 EZ 34 37 OC 38...
Page 95: ...3 ESD ESD ESD PSU PSU 60 C 140 F...
Page 101: ...9 B550 A PRO SATA 6G 2 1 M 2 3 pcs 1 1 1 DVD 1 1 MSI 1...
Page 103: ...11 I O Realtek Realtek...
Page 104: ...12 I O AUDIO INPUT Rear Front Side Center Subwoofer AUDIO INPUT 7 1...
Page 106: ...14 AM4 CPU CPU AM4 CPU 1 53 8 mm CPU DIMM AM4 BIOS CPU CPU CPU CPU CPU CPU CPU CPU CPU...
Page 120: ...28 EZ LED LED LED_SW1 EZ LED LED LED_ LED_ CPU CPU DRAM DRAM VGA GPU PCIE M 2 BOOT...
Page 127: ...35 UEFI BIOS CPU DDR CPU MB MB CPU CPU DDR BIOS CPU Help ON M M USB BIOS F3 BIOS BIOS 5...
Page 128: ...36 UEFI BIOS BIOS 1 BIOS BIOS 2 F2 3 OK BIOS 1 BIOS 2 F2 3 Delete OK...
Page 132: ...NOTE...
Page 134: ...2 29 Windows 10 29 29 29 UEFI BIOS 30 BIOS 31 BIOS 31 BIOS 32 BIOS 32 EZ 34 37 OC 38...
Page 135: ...3 ESD 60 C 140 F...
Page 141: ...9 B550 A PRO SATA 6G 2 1 M 2 3 1 1 1 DVD 1 1 MSI 1...
Page 143: ...11 I O Realtek Realtek...
Page 144: ...12 I O AUDIO INPUT Rear Front Side Center Subwoofer AUDIO INPUT 7 1...
Page 146: ...14 AM4 AM4 CPU 53 8 mm CPU DIMM AM4 BIOS CPU CPU CPU CPU CPU CPU CPU MSI...
Page 160: ...28 EZ LED LED CPU CPU DRAM VGA GPU PCIE M 2 BOOT LED_SW1 EZ LED LED LED_OFF LED_ON...
Page 168: ...36 UEFI BIOS BIOS 1 BIOS BIOS 2 F2 3 OK BIOS 1 BIOS 2 F2 3 Delete OK...
Page 172: ...NOTE...
Page 174: ...2 29 Windows 10 29 29 29 UEFI BIOS 30 BIOS 31 BIOS 31 BIOS 32 BIOS 32 EZ 34 37 OC 38...
Page 175: ...3 ESD ESD ESD 60 140...
Page 181: ...9 B550 A PRO SATA 6G 2 1 M 2 3 1 1 1 DVD 1 1 MSI 1...
Page 183: ...11 I O Realtek Realtek...
Page 184: ...12 I O AUDIO INPUT Rear Front Side Center Subwoofer AUDIO INPUT 7 1...
Page 200: ...28 LED LED CPU CPU DRAM DRAM VGA GPU PCIE M 2 BOOT LED_SW1 LED LED LED_OFF LED_ON...
Page 208: ...36 UEFI BIOS BIOS 1 BIOS BIOS 2 F2 3 OK BIOS 1 BIOS 2 F2 3 Delete OK...
Page 212: ...NOTE...