Is this a custom build...or a retail machine?

Anyway...are you sure the correct DRIVER for the motherboard was installed?

Also check the BIOS settings and make sure you have it configured to recognize any plug and play devices.

While XP should recognize the device...there are still other FACTORS to take into consideration here.I'm sure it's the correct driver, it's an alienware

how do I check the bios settings?Did it work fine before?
If so,it's no need to check the BIOS(or CMOS settings)
What model Alienware?don't remember the model

it did work fine beforeThen...if it was working before...and now there's no device showing up in Device Manager...

I'll have to agree with WHATWAS previously stated...possibly a failed audio chip.

Not that the motherboard is bad, however, a new sound card will solve your problem.Quote from: patio on August 19, 2008, 12:59:49 PM

You may need to buy a sound card...it looks like the onboard chip has failed.


Also this issue needs to be addressed ASAP:

Quote

Problem Disk free space is only 7% on drive C:.

Windows needs a minimum of 15% free space to operate properly...i'm suprised it runs at all.