I bought this computer :
Dell OptiPlex GX110
Processor: Intel PIII 800 MHz
Video: Integrated Intel Direct AGP 4MB
Sound: Sound Blaster Compatible
10/100 On-Board Network Card
OS: No Operating System Included.
I installed Win98 but I found I have no sound. I tried to install audio drivers from Dell internet but they won't install telling me the O/S won't support the software.

Do you think it has onboard sound or would I have to get a sound card?
Does anyone have any suggestions?

Thanks for your help.