Do you have another LiveCD or LiveDVD?
When you removed LMDE, you also removed the GRUB Menu. Are you Dual Booting Windows?
A little more information, will go a long ways.
Linux User: 528038
Primary PC: Version: LMDE (201101), 32 Bit.
Alternate 1: Version: Peppermint One OS, 32 Bit.
Laptop: Version: Julia Main (10), AMD 64