不知何故,我的 BIOS 自动将启动设备更改为外部驱动器

不知何故,我的 BIOS 自动将启动设备更改为外部驱动器

我有一台计算机,其 BIOS 配置为从内部存储 SSD 启动(以 Ubuntu 作为操作系统),并且还有另一个外部存储 SSD(该 SSD 的主要用途是存储一些数据)。

BIOS 会随机更改配置并尝试从外部存储启动,即使它没有物理连接到计算机。

关于如何避免这种配置变化有什么想法吗?

编辑:主板、供应商 ID 等通过default string 运行设置sudo demicode | more,我得到:

# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.
Table at 0x8C9BF000.

Handle 0x0000, DMI type 0, 26 bytes
BIOS Information
    Vendor: American Megatrends Inc.
    Version: 5.13
    Release Date: 10/09/2021
    Address: 0xF0000
    Runtime Size: 64 kB
    ROM Size: 16 MB
    Characteristics:
        PCI is supported
        BIOS is upgradeable
        BIOS shadowing is allowed
        Boot from CD is supported
        Selectable boot is supported
        BIOS ROM is socketed
        EDD is supported
        5.25"/1.2 MB floppy services are supported (int 13h)
        3.5"/720 kB floppy services are supported (int 13h)
        3.5"/2.88 MB floppy services are supported (int 13h)
        Print screen service is supported (int 5h)
        8042 keyboard services are supported (int 9h)
        Serial services are supported (int 14h)
        Printer services are supported (int 17h)
        ACPI is supported
        USB legacy is supported
        BIOS boot specification is supported
        Targeted content distribution is supported
        UEFI is supported
    BIOS Revision: 5.13

uname -a给出:

Linux pc 5.15.0-50-generic #56~20.04.1-Ubuntu SMP Tue Sep 27 15:51:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

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