Keyboard changes in Linux X window

Please try the following steps, because the keyboard changes in the X window of Linux.

1. After logging in, select the menu System(システム) → Settings(設定) → Hardware(ハードウェア) → Keyboard(キーボード).

2. Press the layout(レイアウト) tab of the displayed window.

3. Press the button to restore defaults(デフォルトに戻す).

4. Press the close(閉じる) button.

5. Select System(システム) → Logout(ログアウト) from the menu.

Please try again after 30 seconds.
If that doesn't change, try the above steps several times.