MSI X299 SLI PLUS User Manual - Page 45

BIOS_SW1: Multi-BIOS Switch, Recovering BIOS

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BIOS_SW1: Multi-BIOS Switch This motherboard has two built-in BIOS ROMs (Labeled A and B, default BIOS ROM is A). If one is crashed, you can shift to the other for booting by sliding the switch. BIOS A (Default) BIOS B Recovering BIOS When BIOS updating fails or causes the computer non-bootable, you can recover the failed BIOS by the steps below. Before recovering, please download the latest BIOS file that matches your motherboard model from MSI website. And then save the BIOS file to the root of the USB flash drive. 1. Power off the computer. 2. Switch to the normal BIOS ROM with Multi-BIOS switch. 3. Insert the USB flash drive into the computer. 4. Power on the computer and press Del key to enter BIOS setup during POST. 5. Select the M-FLASH tab and click on Yes to reboot the system and enter the flash mode. 6. Select a BIOS file to perform the BIOS recovering process. 7. Switch to the failed BIOS ROM with Multi-BIOS switch, and click on Yes to start recovering BIOS. 8. After the recovering process is completed, the system will reboot automatically Important y Do not use the Multi-BIOS switch when system is booting up. y You can also use the LIVE UPDATE or Flash BIOS Button utility to flash BIOS. Please refer to BIOS section for details. Overview of Components 45

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45
Overview of Components
BIOS_SW1: Multi-BIOS Switch
This motherboard has two built-in BIOS ROMs (Labeled A and B, default BIOS ROM is
A). If one is crashed, you can shift to the other for booting by sliding the switch.
BIOS B
BIOS A
(Default)
Recovering BIOS
When BIOS updating fails or causes the computer non-bootable, you can recover the
failed BIOS by the steps below. Before recovering, please download the latest BIOS
file that matches your motherboard model from MSI website. And then save the BIOS
file to the root of the USB flash drive.
1.
Power off the computer.
2.
Switch to the normal BIOS ROM with
Multi-BIOS switch
.
3.
Insert the USB flash drive into the computer.
4.
Power on the computer and press Del key to enter BIOS setup during POST.
5.
Select the
M-FLASH
tab and click on
Yes
to reboot the system and enter the flash
mode.
6.
Select a BIOS file to perform the BIOS recovering process.
7.
Switch to the failed BIOS ROM with
Multi-BIOS switch
, and click on
Yes
to start
recovering BIOS.
8.
After the recovering process is completed, the system will reboot automatically
Important
y
Do not use the Multi-BIOS switch when system is booting up.
y
You can also use the
LIVE UPDATE
or
Flash BIOS Button
utility to flash BIOS. Please
refer to BIOS section for details.