How to Download and Fix HdAudio.sys?

Sometimes Windows system displays error messages regarding corrupted or missing HdAudio.sys files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent HdAudio.sys file can therefore effect in failed execution of the started process.

HdAudio.sys file High Definition Audio Function Driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of HdAudio.sys related errors on your device. You can also download HdAudio.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download HdAudio.sys

4.1 List of HdAudio.sys file versions

File info

General information
Filename	HdAudio.sys
File extension	SYS
Description	High Definition Audio Function Driver

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Driver
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common HdAudio.sys file related problems

There are various types of errors related to HdAudio.sys file. HdAudio.sys file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to HdAudio.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

HdAudio.sys is corrupted
HdAudio.sys cannot be located
Runtime Error - HdAudio.sys
HdAudio.sys file error
HdAudio.sys file cannot be loaded. Module was not found
cannot register HdAudio.sys file:
HdAudio.sys file could not be loaded
HdAudio.sys file doesn't exist

HdAudio.sys

Application could not be started because HdAudio.sys file is missing. Reinstall the application to solve the problem.

Problems related to HdAudio.sys can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing HdAudio.sys file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix HdAudio.sys errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

HdAudio.sys file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with HdAudio.sys file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to HdAudio.sys file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of HdAudio.sys or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to HdAudio.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the HdAudio.sys file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the HdAudio.sys file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the HdAudio.sys file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace HdAudio.sys file

The last solution is to manually download and replace HdAudio.sys file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded HdAudio.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of HdAudio.sys file example directory paths.

Windows 10: C:\Windows\System32\DriverStore\FileRepository\hdaudio.inf_x86_46d78cc6aa857434\
Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\hdaudio.inf_x86_9e8e7d1d7cd54532\
Windows 8: 1: C:\Windows\System32\DriverStore\FileRepository\hdaudio.inf_x86_9e8e7d1d7cd54532\
Windows 7: ---
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your HdAudio.sys file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename HdAudio.sys

System Windows 10

File size 306688 bytes

Date 2017-03-18

Download

File details
	MD5	7335d1584991b22262b08e076e146a3d
	SHA1	ce375a5446f806f3e366c1f704f0134b33e1f313
	SHA256	28d91e6d1439e671601fd5da779d6a0988b08d5d27d871a5855fe1ae4bbcbc5a
	CRC32	765241f5
	Example file location	C:\Windows\System32\DriverStore\FileRepository\hdaudio.inf_x86_46d78cc6aa857434\

Filename HdAudio.sys

System Windows 8.1

File size 304640 bytes

Date 2013-08-22

Download

File details
	MD5	449688b15d29787c8a440d6eca9925b5
	SHA1	eb257c2a0a423adab16bfbf60b17ac59c222fc76
	SHA256	7e1c88106f3f39394843b8b2b5921a8f5b215ac1538f46f151b9f4faac7ae1de
	CRC32	321a6211
	Example file location	C:\Windows\System32\DriverStore\FileRepository\hdaudio.inf_x86_9e8e7d1d7cd54532\

Filename HdAudio.sys

System Windows 8

File size 275456 bytes

Date 2012-07-26

Download

File details
	MD5	4a614e902ac77d6db7afc6c1bc52adbf
	SHA1	94969e9da7b9f9517427c46a30036590bcbd70b3
	SHA256	5d4e8c6fa86c063b2b00a0d9370ba06c9814af0ae2010c2d19464a2ce2fb30ce
	CRC32	79e47979
	Example file location	1: C:\Windows\System32\DriverStore\FileRepository\hdaudio.inf_x86_9e8e7d1d7cd54532\

Filename HdAudio.sys

System Windows 7

File size 350208 bytes

Date 2010-11-21

Download

File details
	MD5	975761c778e33cd22498059b91e7373a
	SHA1	ec8e67abeabf43412af06d909303ff499817bf89
	SHA256	8304e15fbe6876be57263a03621365da8c88005eac532a770303c06799d915d9
	CRC32	46fe9314
	Example file location	---

Filename HdAudio.sys

System Windows Vista

File size 275456 bytes

Date -0001-11-30

Download

File details
	MD5	68e732382b32417ff61fd663259b4b09
	SHA1	bef4c7e64e3d2973111375c31b7891f2809a6505
	SHA256	10c5365aeac46df4f5f6a8f96d15141b4709851d4752613233e57eb20ce16446
	CRC32	ace2aebb
	Example file location	---

Filename HdAudio.sys

System Windows Vista

File size 273920 bytes

Date 2006-11-02

Download

File details
	MD5	df45f8142dc6df9d18c39b3effbd0409
	SHA1	98d30fe6d7219be3fb8278c5cca22596f04c4477
	SHA256	e0f04525530ff403c5a34b7e9a03cde70b7bace12e2e50103554e92af374bd09
	CRC32	3cd708a5
	Example file location	---