Information about the operating system, make/model, sound card, and networking card are essential to properly troubleshoot the issues. The more information you can provide the better. Regardless, I'd start by installing the latest drivers from IBM's download repository.
Let us know.
Hi there i have just brought a secondhand IBM computer 1st problem is no sound have checked all the usual stuff nothing wrong there secondly my first computer is running on broadband through telewest i have tried to disconnect the wire and then plug into new one to see if the internet is ok with the IBM pc but cant get it to work i need some help