Unable to install GRUB in dummy

To: debian-user@lists.debian.org
Subject: Unable to install GRUB in dummy
From: hlyg <hlyg2023@outlook.com>
Date: Sun, 30 Mar 2025 11:50:52 +0800
Message-id: <[🔎] TYSPR02MB83829987767117BA6D93FA11C5A22@TYSPR02MB8382.apcprd02.prod.outlook.com>

i install with debian-12.10.0-amd64-netinst.iso

during final stage of installation, it fails to install grub

"Executing 'grub-install dummy' failed."

"This is a fatal error."

how to solve it?

i bet it is caused by other bootloader in installation target disk

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