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Ubuntu18.04起動時にgrub画面が表示されない問題

Last updated at Posted at 2019-11-17

Ubuntu 18.04 LTSのインストール後起動したらgrub画面が出ずにUbuntuが起動したので復旧方法をメモ。

まず、下記コマンドでgrub画面を作成。

sudo grub-mkconfig

次に、「/etc/default/grub」の設定ファイルを以下のように編集。

GRUB_TIMEOUT_STYLE=menu
#GRUB_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=false

編集後、下記コマンドで変更内容を反映。

sudo update-grub

再起動後、grub画面が出て来るようになった。

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