Your computer is a challenge. In the forum, we've see the following issues related to drive letters and Ghost...
overlapping partitions
missing partitions in Disk Management
missing drive letters in Disk Management
missing volumes in partinfo.txt
In partinfo you have one missing volume (at the very end). That a new variation.
Can you try this...
Download BootIt BM. There is a 30 day trial usage. Unzip the file and make a boot CD.
double click makedisk.exe, next
dot in BootIt Bare Metal, next
dot in I accept the agreement, next
don't select Image for DOS (GUI), next
dot in Mouse Support Enabled, next
dot in VESA Video, next
dot in Video Mode 1024*768 - 64K Colors, next
dot in Partition Work (Don't put a dot in Normal), next
don't choose any Device Options, next
tick in Enable USB 1.1 (UHCI), next
tick in Align partitions on Cylinders, next
ignore Additional bootitbm.ini Options, next
select your CD burner drive letter (you can use a CD-RW or a CD-R disc)
Finish
Boot from the CD with the USB HD disconnected.
Bus BIOS
Drives 0 - BIOS HD (.....
You should only see one partition. Probably called MBR 0
Is there an E near the word Partition?
Is there *Errors Exist* on the same "line" as MBR Partitions and Actions?
click MBR 0 to highlight the line and click Properties. In Additional Information, any errors reported?
Plug in your USB HD
In the Bus field, click the drop down arrow and choose USB. Wait 10 seconds.
You should only see one partition. Probably called MBR 0
Is there an E near the word Partition?
Is there *Errors Exist* on the same "line" as MBR Partitions and Actions?
click MBR 0 to highlight the line and click Properties. In Additional Information, any errors reported?