Can't access Windows Vista - boot menu

[parvind]

Here it is:

FDISK:

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0002b7ae

  Device Boot      Start        End      Blocks  Id  System
/dev/sda1  *        2048  195452927    97725440  83  Linux
/dev/sda2      195454974  390766591    97655809    5  Extended
/dev/sda5      195454976  390766591    97655808  82  Linux swap / Solaris

HDPARM:

/dev/sda:

Model=WDC WD3200BEVT-75ZCT0, FwRev=11.01A11, SerialNo=WD-WXE408NS4086
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50
BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=8
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=625142448
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes:  pio0 pio3 pio4
DMA modes:  mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=yes: unknown setting WriteCache=enabled
Drive conforms to: Unspecified:  ATA/ATAPI-1,2,3,4,5,6,7

Any ideas how to access C: drive