sudo efibootmgr
BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0000,0002,0003,0004,0005
Boot0000* Windows Boot Manager
Boot0001* ubuntu
Boot0002* ubuntu
Boot0003* ASUS     DRW-24F1ST   a
Boot0004* Intenso  SSD Sata III
Boot0005* SAMSUNG HD501LJ