On Mon, 7 Oct 2019 at 13:43, Jon Ingason <jon.ingason@xxxxxxxxx> wrote:
Hi,
I accidentally turn off my computer with the power button. That resulted
in corruption of "BIOS start". The motherboard has legacy BIOS.
For most systems, BIOS settings are stored in battery backed memory and
will not be affected by a power failure until the battery dies. There are,
however, some systems that have "power fail" actions that may update
the BIOS settings so the system responds differently after an intentional
shutdown versus a power failure.
If the battery dies, the BIOS should revert to "default" settings, which might
mean UEFI boot. You should enter the BIOS configuration utility (which
usually requires pressing a vendor-specific key when booting) and check the
boot settings. If the system is several years old or has been without power
for long periods you should check the battery (generally a small "coin" cell
on the motherboard).
$ sudo fdisk -l /dev/sda
[sudo] lösenord för jonsi:
Disk /dev/sda: 2,7 TiB, 3000592982016 byte, 5860533168 sektorer
Disk-modell: WDC WD30EZRX-22D
Enheter: sektorer av 1 * 512 = 512 byte
Sektorstorlek (logisk/fysisk): 512 byte / 4096 byte
I/O-storlek (minsta/optimal): 4096 byte / 4096 byte
Disketikettstyp: gpt
Diskidentifierare: 0A859753-6B39-4C92-BD5C-9754F2056E45
Enhet Början Slutet Sektorer Storlek Typ
/dev/sda1 2048 4095 2048 1M BIOS start
/dev/sda2 4096 1028095 1024000 500M Linux-filsystem
/dev/sda3 1028096 5860532223 5859504128 2,7T Linux LVM
I can start the OS from the hard drive with SystemRescueCD. How can I
repair BIOS start so I can start directly from the hard drive?
--
Regards
Jon Ingason
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