Hi there! i have the same problem with them i hope you could help me too..i just reformat my cousin's laptop no sounds after reformatting it and found out that he didn't have any back up disc, it was a second hand laptop made in japan. in the device manager there's also a yellow question mark on the multimedia audio controllers and unknown device.i tried looking from the toshiba site but there's no model same as TOSHIBA dynabook Satellite J11 PSJ1122P4G11P i tried looking to some site i found the same model but i couldn't understand it,because it was written in japanese...
I downloaded the belarc and here it says,
Operating System System Model
Windows XP Professional Service Pack 2 (build 2600)
TOSHIBA dynabook Satellite J11 PSJ1122P4G11P
System Serial Number: 24066679J
Enclosure Type: Notebook
Processor a Main Circuit Board b
2.20 gigahertz Intel Mobile Pentium 4 - M
8 kilobyte primary memory cache
512 kilobyte secondary memory cache Board: TOSHIBA Portable PC Version A0
Serial Number: $$4Y201P7H
Bus Clock: 100 megahertz
BIOS: TOSHIBA Version 1.30 09/04/2003
Drives Memory Modules c,d
30.00 Gigabytes Usable Hard Drive Capacity
26.51 Gigabytes Hard Drive Free Space
Slimtype DVDRW SOSW-833S [CD-ROM drive]
3.5" format removeable media [Floppy drive]
TOSHIBA MK3021GAS [Hard drive] (30.00 GB) -- drive 0, s/n 14R65033S, rev GA124G, SMART Status: Healthy 240 Megabytes Installed Memory
Slot 'DIMM 0' is Empty
Slot 'DIMM 1' has 256 MB
Local Drive Volumes
c: (NTFS on drive 0) 15.01 GB 12.13 GB free
d: (NTFS on drive 0) 14.99 GB 14.38 GB free
Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
ranie 9/3/2007 1:52:45 AM (admin)
local system accounts
Administrator never (admin)
Guest never
HelpAssistant never
SUPPORT_388945a0 never
Marks a disabled account; Marks a locked account None detected
Controllers Display
Standard floppy disk controller
Intel(R) 82801DBM Ultra ATA Storage Controller - 24CA
Primary IDE Channel [Controller]
Secondary IDE Channel [Controller] Intel(R) 82852/82855 GM/GME Graphics Controller [Display adapter] (2x)
Default Monitor (3x)
Generic Television [Monitor] (2x)
Toshiba Internal 1024x768 Panel [Monitor] (2x)
Bus Adapters Multimedia
Toshiba ToPIC100 CardBus Controller (2x)
Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C2
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C4 None detected
Communications Other Devices
802.11b USB Wireless LAN Adapter
primary Auto IP Address: 192.168.1.2 / 24
Gateway: 192.168.1.1
Dhcp Server: 192.168.1.1
Physical Address: 00:02:72:51:4E:2A
Intel(R) PRO/100 VE Network Connection
Dhcp Server: none responded
Physical Address: 00:00:39:77

F:EC
Networking Dns Server: 192.168.1.1
Thanks in advance!