fedora-docs-l10n/quick-docs/master/pages/how-to-troubleshoot-sound-problems

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	How to troubleshoot sound problems
	Hank Lee ; The Music and Audio SIG
	This page covers some basic troubleshooting techniques to help narrow down the root cause of an issue. It also explains information that should be included when filing bugs related to sound. General sound problems - where the problem is observed across multiple applications - should usually be filed against the kernel, or PipeWire (see below for instructions on determining whether the problem is PipeWire-related). If the problem is observed only in a specific application, or only in applications which use a single multimedia library (such as SDL or OpenAL), the bug should be filed against that component.
	Introduction
	Sound problems in Fedora can arise from a variety of causes, ranging from misconfigured audio services to missing or outdated drivers. In most cases, these issues are related to the transition to PipeWire, Fedora's default audio server since Fedora 34. While PipeWire aims to unify and improve audio handling across applications, its integration with legacy tools like PulseAudio and ALSA can sometimes lead to conflicts or device recognition problems.
	Typical issues users may encounter:
	No sound output or input
	Only “Dummy Output” is available
	Microphones not being detected
	Audio devices missing after updates
	Broken Bluetooth audio connections
	This guide provides a step-by-step approach to diagnosing and resolving these sound issues. It covers both general troubleshooting and specific fixes for input-related problems, such as missing microphones or inactive input devices.
	Diagnosing the Problem
	Determining if the issue is with the kernel, PipeWire, or specific applications.
	Collecting logs and system information.
	Check which Kernel driver is in use by PCI devices
	To display kernel drivers handling each device, use the lspci (List PCI) command with the option -k. Searching for known issues specific to driver’s name and your hardware model before reporting issues to Ask Fedora.
	$ sudo lspci -k
	New hardware drivers are updated continuously. If you see a device listed as unknown, query your PCI device ID database.

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