Antes de mais nada uma curiosidade (não é isso que está impedindo o boot, mas é algo curioso): por que tanta partição swap na sua instalação?
São 5 (cinco) partições swap, quando apenas uma basta. Qual a razão de ter feito isso?
Drive: sda _____________________________________________________________________
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 1 1,953,525,167 1,953,525,167 ee GPT
GUID Partition Table detected.
Partition Attrs Start Sector End Sector # of Sectors System
/dev/sda1 2,048 1,026,047 1,024,000 EFI System partition
/dev/sda2 R 1,026,048 1,107,967 81,920 -
/dev/sda3 1,107,968 1,370,111 262,144 Microsoft Reserved Partition (Windows)
/dev/sda4 R 1,370,112 2,906,111 1,536,000 Windows Recovery Environment (Windows)
/dev/sda5 2,906,112 1,830,741,360 1,827,835,249 Data partition (Windows/Linux)
/dev/sda6 R 1,933,142,016 1,934,108,671 966,656 Windows Recovery Environment (Windows)
/dev/sda7 R 1,934,108,672 1,953,523,119 19,414,448 Windows Recovery Environment (Windows)
/dev/sda8 1,830,742,016 1,834,741,759 3,999,744 Swap partition (Linux)
/dev/sda9 1,834,741,760 1,838,741,503 3,999,744 Swap partition (Linux)
/dev/sda10 1,838,741,504 1,842,741,247 3,999,744 Swap partition (Linux)
/dev/sda11 1,842,741,248 1,843,326,975 585,728 Data partition (Linux)
/dev/sda12 1,843,326,976 1,886,746,623 43,419,648 Data partition (Linux)
/dev/sda13 1,903,327,232 1,907,326,975 3,999,744 Swap partition (Linux)
/dev/sda14 1,907,326,976 1,933,142,015 25,815,040 Data partition (Linux)
/dev/sda15 1,886,746,624 1,903,327,231 16,580,608 Swap partition (Linux)