Usando um LiveCD, abra o terminal e digite os dois comandos abaixo, ai retorne aqui a resposta deles:
sudo fdisk -l
sudo blkid
Aqui vai:
fdisk -l
Disco /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cilindros of 16065 * 512 = 8225280 bytes
Disk identifier: 0xf8000000
Dispositivo Boot Início Fim Blocos Id Sistema
/dev/sda1 1 10 80293+ de Utilitário Dell
/dev/sda2 11 272 2104515 b W95 FAT32
/dev/sda3 * 273 297 200812+ 83 Linux
/dev/sda4 298 9729 75762540 f Win95 (LBA) Partição Extendida
/dev/sda5 298 458 1293201 82 Linux swap / Solaris
/dev/sda6 459 9729 74469276 83 Linux
blkid
/dev/sda1: SEC_TYPE="msdos" LABEL="DellUtility" UUID="07D7-0A16" TYPE="vfat"
/dev/sda2: LABEL="OS" UUID="88E8-105A" TYPE="vfat"
/dev/sda3: LABEL="os_part" UUID="abb1ece2-0504-4be8-a9e4-ce570575fe57" SEC_TYPE="ext2" TYPE="ext3"
/dev/sda5: UUID="c5d534d4-6af5-421f-8947-e1bcd7afaeee" TYPE="swsuspend"
/dev/sda6: LABEL="os_part" UUID="88ce1cfa-38c9-4181-9567-ee8fbaed5b96" SEC_TYPE="ext2" TYPE="ext3"
/dev/loop0: TYPE="squashfs"