Sound problems with Realtek AC97 onboard sound plz help

[Offroadtone]

hi i am having what sounds like the same sort of problems as others on here but with an exception that my sound works for a while on boot up but if i go afk for 20 minutes or so and come back to my pc the sound has disappeared when i check control panel under sound and audio devices it says no audio device when there was at first also in device manager it shows that they are working properly apart from one which has yellow exclamation mark next to microsoft kernel wave audio mixer also when i try to play mpegs through my windows media player it says i am running low on virtual memory or plays without sound and cannot be fast forwarded or anything it also says it has an error and needs to be closed driving me nuts plz help??!!

Windows XP Professional Service Pack 2 (build 2600) Enclosure Type: Desktop
Processor a Main Circuit Board b
2.20 gigahertz AMD Athlon 64
256 kilobyte primary memory cache

Board: MS-7030 MSI K8N Neo Platinum edition
Bus Clock: 200 megahertz
BIOS: Phoenix Technologies, LTD 6.00 PG 11/10/2005

Drives Memory Modules c,d
287.61 Gigabytes Usable Hard Drive Capacity
35.16 Gigabytes Hard Drive Free Space

LITE-ON LTR-52246S [CD-ROM drive]
PIONEER DVD-RW DVR-108 [CD-ROM drive]
SD3489M OHU004T SCSI CdRom Device [CD-ROM drive]
3.5" format removeable media [Floppy drive]

HDS722516VLSA80 [Hard drive] (164.70 GB) -- drive 1, s/n VNRD3EC4CHYL7M, rev V34OA63A, SMART Status: Healthy
Maxtor 6Y120P0 [Hard drive] (122.94 GB) -- drive 0 1024 Megabytes Installed Memory

Slot 'A0' has 512 MB
Slot 'A1' has 512 MB
Slot 'A2' is Empty
Local Drive Volumes

c: (NTFS on drive 1) 164.69 GB 15.84 GB free
d: (NTFS on drive 0) 122.93 GB 19.33 GB free

Network Drives
None detected

Converter 2.50 on LPT1:
hp psc 1100 series on USB001

Controllers Display
Standard floppy disk controller
NVIDIA nForce3 250 Parallel ATA Controller (v2.6)
NVIDIA nForce3 250 Serial ATA Controller (v2.6) (2x) RADEON 9600 SERIES [Display adapter]
RADEON 9600 SERIES - Secondary [Display adapter]
Samsung SyncMaster [Monitor] (17.1"vis, s/n H4LW200658, February 2003)
Bus Adapters Multimedia
SCSI/RAID Host Controller
Standard Enhanced PCI to USB Host Controller
Standard OpenHCD USB Host Controller (2x)
Bluetooth Audio
Realtek AC'97 Audio

[bookworm]

Originally Posted by Offroadtone

hi i am having what sounds like the same sort of problems as others on here but with an exception that my sound works for a while on boot up but if i go afk for 20 minutes or so and come back to my pc the sound has disappeared when i check control panel under sound and audio devices it says no audio device when there was at first also in device manager it shows that they are working properly apart from one which has yellow exclamation mark next to microsoft kernel wave audio mixer also when i try to play mpegs through my windows media player it says i am running low on virtual memory or plays without sound and cannot be fast forwarded or anything it also says it has an error and needs to be closed driving me nuts plz help??!!

Windows XP Professional Service Pack 2 (build 2600) Enclosure Type: Desktop
Processor a Main Circuit Board b
2.20 gigahertz AMD Athlon 64
256 kilobyte primary memory cache

Board: MS-7030 MSI K8N Neo Platinum edition
Bus Clock: 200 megahertz
BIOS: Phoenix Technologies, LTD 6.00 PG 11/10/2005

Drives Memory Modules c,d
287.61 Gigabytes Usable Hard Drive Capacity
35.16 Gigabytes Hard Drive Free Space

LITE-ON LTR-52246S [CD-ROM drive]
PIONEER DVD-RW DVR-108 [CD-ROM drive]
SD3489M OHU004T SCSI CdRom Device [CD-ROM drive]
3.5" format removeable media [Floppy drive]

HDS722516VLSA80 [Hard drive] (164.70 GB) -- drive 1, s/n VNRD3EC4CHYL7M, rev V34OA63A, SMART Status: Healthy
Maxtor 6Y120P0 [Hard drive] (122.94 GB) -- drive 0 1024 Megabytes Installed Memory

Slot 'A0' has 512 MB
Slot 'A1' has 512 MB
Slot 'A2' is Empty
Local Drive Volumes

c: (NTFS on drive 1) 164.69 GB 15.84 GB free
d: (NTFS on drive 0) 122.93 GB 19.33 GB free

Network Drives
None detected

Converter 2.50 on LPT1:
hp psc 1100 series on USB001

Controllers Display
Standard floppy disk controller
NVIDIA nForce3 250 Parallel ATA Controller (v2.6)
NVIDIA nForce3 250 Serial ATA Controller (v2.6) (2x) RADEON 9600 SERIES [Display adapter]
RADEON 9600 SERIES - Secondary [Display adapter]
Samsung SyncMaster [Monitor] (17.1"vis, s/n H4LW200658, February 2003)
Bus Adapters Multimedia
SCSI/RAID Host Controller
Standard Enhanced PCI to USB Host Controller
Standard OpenHCD USB Host Controller (2x)
Bluetooth Audio
Realtek AC'97 Audio

Not sure if this is the reason, but have a look
Start / Control Panel / Administrative Tools / Component Services / a separate window will open – in left pane click Services(Local) / Scroll down to Windows Audio service / if the service is Disabled or Manual right click > select Properties > under Startup Type change to Automatic.

hope this helps