Ubuntu – Grub-Customizer made Windows 7 disappear from Grub2

dual-bootgrub2windows 7

I am running dual-boot Ubuntu 12.04/Windows7. I wanted to change the boot order in Grub2 to have Windows on top of the list.
I installed Grub-Customizer on Ubuntu 12.04 using the following terminal commands copied from another post:

sudo add-apt-repository ppa:adabbas/1stppa
sudo apt-get update
sudo apt-get install grub-customizer

After installing, I launched Grub-Customizer from Dash Home. Windows 7 does not appear in the list. I closed the program and was prompted to save the current settings.
Upon rebooting, Windows did not appear in the Grub2 list.

I went back into Grub-Customizer and clicked the "Revert" button but still no Windows 7.

Does anyone know how I can fix this?

Best Answer

Boot-Repair can undo the settings generated by GRUB-Customizer.

Run Boot-Repair --> Advanced Options -> GRUB options tab --> tick "Purge GRUB and reinstall it" --> Apply

Indicate the URL that will appear if any issue.

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