Por Ergaster
el 26/08/2023
en
Tutorial
Problemas conversión MBR a GPT
Una solución a los fallos de arranque y errores frecuentes
En ocasiones nos ocurre que al pasar un sistema de archivos (FS) del clásico MBR/BIOS con su tabla de particiones limitada, nos podemos encontrar que el sistema no arranque. No hay que preocuparse siempre y cuando se tenga un medio de arranque externo como un pendrive o similar y el firmware sea compatible con esta tecnología. Esto ocurre porque el sistema MBR no permite tener más de 4 particiones y probablemente hay una de más.
Arrancando desde el medio externo
Nos aseguramos que tenemos configurada nuestra "BIOS" (a veces usaré esta palabra para referirme a la configuración y el software base que se encuentra en la ROM o EEPROM; firmware).
Insertamos el medio de arranque con un Windows actual, preferiblemente.
En la pantalla de instalación en la que salen unas cajas de selección de idioma, teclado, etc. pulsamos en siguiente, aunque si nos aparece una opción de reparar, escogemos esta última; en caso contrario, lo haremos en la siguiente pantalla. Nos tiene que aparecer algo similar a lo mostrado en la imagen inferior.
Escogemos el modo de comandos (CLI/TUI) también llamado símbolo del sistema ya que aquí podremos usar las utilidades necesarias. Vamos a entrar en materia.
Usando las utilidades de sistema
Listar discos, volúmenes y particiones con Diskpart. Listar discos:
diskpart
DISKPART>list disk
DISKPART>list parttion
DISKPART>list volume
Para seleccionar y trabajar con el disco 2 usamos:
select disk 2
Ver la ayuda de Diskpart
dispart help
Para borrar una partición, primero la seleccionamos y después la borramos, así:
DISKPART>select part #
DISKPART>delete partition override
Crear una partición EFI de 200 MB
DISKPART>create partition efi size=200
DISKPART>select partition 1
DISKPART>format quick fs=fat32 label="System"
Salimos de Diskpart para usar BCDBoot.
bcdboot c:\Windows /s S: /f ALL
Más información: https://learn.microsoft.com/es-es/windows/deployment/mbr-to-gpt
Y ya está.
Comment Tweeting!
Comments 1
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