Another PC user who just reinstalled Windows XP on his friend’s laptop mentioned that after the OS reinstallation, there is no audio output at all. For example, a PC user who just upgraded her OS to Windows 7 mentioned that at first, Windows is able to detect his onboard sound device, but there is no audio output, and then afterwards, he mentioned that it turns out that Windows cannot detect his sound device anymore. Whatever the case, most PC users recognized that the problem that they have encountered is device driver related.

Some PC user mentioned that they encountered this problem all of a sudden, while others reported that they experience audio device problem after they had undergone some changes on their computer (OS reinstallation/upgrade/downgrade, program installation, etc). In most cases, PC users reported that such problems are due to the required audio driver of the onboard audio device or sound card such as IDT or Sigmatel High Definition Audio CODEC, but there are different cases when they do encounter such issue. On the other hand, many PC users are being bothered by audio device problems, and most of them mentioned in computer related forum threads that they encountered issues such as distorted sounds, on-and-off audio output, and having a soundless computer. Possible Causes of Audio Device Driver IssuesĮxample on How to Solve IDT/Sigmatel Audio Device Driver ProblemsĪudio outputs are very important to let PC users like you enjoy movies, games, songs, and even the slightest beep from chat messages or pointer clicks that will make your computer experience worthwhile.

But before everything else, you must take note that the problems, hints, and solutions that we are going to discuss are applicable for both SigmaTel and IDT onboard audio devices, since SigmaTel PC and Notebook Audio Product Lines have been acquired by IDT Inc. We will consider some of the problems encountered by other PC users together with some of the options and helpful tips for fixing this unknown device problem. This article will speak about how to fix audio device driver related issues, specifically IDT or SigmaTel HD-Audio Driver problems. High Definition Audio Device Driver Issue – IDT/SigmaTel Audio Device

Sigmatel audio device drivers