Missing drives

[niteman53]

I was watchng a dvd on my puter, when suddenly my puter froze. I had to reboot to get it working again and when It rebooted, I discovered that all my drives except my a drive and hard drive were not working and weren't even listed on my computer. What happened and how get i get my drives back?

Operating System System Model
Windows XP Professional Service Pack 1 (build 2600) Sony Corporation PCV-RX540(UC) 28401730
System Serial Number: 3023598
Asset Tag: P00600000000208000100002
Processor a Main Circuit Board b
1.20 gigahertz Intel Celeron
32 kilobyte primary memory cache
256 kilobyte secondary memory cache Board: ASUSTeK Computer INC. TUSL-LV REV 1.xx
Bus Clock: 100 megahertz
BIOS: Award Software, Inc. ACPI BIOS Revision 1003LV 10/22/2001
Drives Memory Modules c,d
80.02 Gigabytes Usable Hard Drive Capacity
50.27 Gigabytes Hard Drive Free Space

DVDRW DRW-3S163 [CD-ROM drive]
HL-DT-ST CD-RW GCE-8160B [CD-ROM drive]
LITE-ON DVDRW SOHW-832S USB Device [CD-ROM drive]
3.5" format removeable media [Floppy drive]

WDC WD800BB-00DAA3 [Hard drive] (80.03 GB) -- drive 0, s/n WD-WMAJ81004811, rev 75.13B75, SMART Status: Healthy 512 Megabytes Installed Memory

Slot 'DIMM 1' has 256 MB
Slot 'DIMM 2' has 256 MB
Slot 'DIMM 3' is Empty
Slot 'DDR 1' is Empty
Slot 'DDR 2' is Empty
Local Drive Volumes

c: (on drive 0) 80.02 GB 50.27 GB free

Network Drives

[ror_b211]

The ribbon cable that connects IDE devices inside your PC may have broken. They aren't the most reliable of cables and its happened to me before, try replacing that (they're very cheap).

[Gizmo]

What does Disk Manager and Device Manager say about the drives?