USB booting :: Acces local hard drive using DSL on a pendrive

Good afternoon, I've the same problem on my ACER1692 laptop, and it doesn't concern an embedded DSL, nor a sata drive (it's IDE).
During the boot, the primary HD of the laptop is not recognized, and it will not be part of the mountable devices once booted DSL.
Maybe a permissions problem?
Thank you for any suggestions.

Post the generated fstab. Also post the output of

sudo fdisk -l /dev/hda

Hi,

this is the fstab>

/proc /proc proc defaults 0 0
/sys /sys sysfs noauto 0 0
/dev/pts /dev/pts devpts mode=0622 0 0
/dev/fd0 /mnt/auto/floppy auto user,noauto,exec,umask=000 0 0
/dev/cdrom /mnt/auto/cdrom auto user,noauto,exec,ro 0 0
# Added by KNOPPIX
/dev/sda1 /mnt/sda1 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
# Added by KNOPPIX
/dev/hda /mnt/hda auto noauto,users,exec 0 0

The "sudo fdisk -l /dev/hda" does not present any output......

Thank you for your help!!

Should this help, the Dmesg output mentions I/O errors on various sectors of hda....

Maybe the hd is breaking?
Or just gotten corrupted, so making new partitions and formatting them would do?

In either case, post the IO errors..

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