hi, am having similar problems after reformatting with XP, no sound and the little yellow question mark in device manager. plz see belarc info and plzplzplz help before I go even more bananas, read entire thread and i think i might explode
Windows XP Professional Service Pack 1 (build 2600) VIA Technologies, Inc. KT400-8235
Enclosure Type: Desktop
Processor a Main Circuit Board b
2.10 gigahertz AMD Athlon XP
128 kilobyte primary memory cache
512 kilobyte secondary memory cache Board: KT400-8235
Bus Clock: 167 megahertz
BIOS: Phoenix Technologies, LTD 6.00 PG 03/17/2003
Drives Memory Modules c,d
122.94 Gigabytes Usable Hard Drive Capacity
113.89 Gigabytes Hard Drive Free Space
_NEC DVD_RW ND-4550A [CD-ROM drive]
CD-R/RW CW099D CD-R/RW [CD-ROM drive]
3.5" format removeable media [Floppy drive]
sorry forgot this bit
Motherboard Name QDI KuDoz 7X