On Sat 08 Jul 2017 at 19:10:23 +0100, Sebastian Luna Valero wrote: > I have a dual-boot laptop with Ubuntu 12.04 LTS and Windows 7. I am > planning to install the latest Debian 9 LTS on the partition where Ubuntu > is currently installed. > > Since grub is already available on the laptop, does anyone know what will > happy when I install grub again with Debian?
Delete the Ubuntu partition at the partitioning stage and later on install GRUB. All will be well.