Realtek audio driver - how to reinstall it and get sound back

Most Windows PCs and laptops play sound through a Realtek codec, and most sudden audio problems trace back to its driver: a Windows update replaces it with a generic one, or the wrong package gets installed. Here is how to identify what you have and put the right driver back - step by step.

Fix it automatically

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Quick answer

Open Device Manager, expand Sound, video and game controllers, right-click Realtek(R) Audio, choose Uninstall device with "Attempt to remove the driver" checked, restart the PC - Windows reinstalls a clean copy. If the entry says "High Definition Audio Device" instead, the right Realtek package depends on your PC or motherboard model - the button above matches it automatically, or see methods 3 and 4 below.

Symptoms - how this problem looks

Sound disappeared after a Windows update or upgrade

Device Manager shows "High Definition Audio Device" instead of Realtek Audio

Crackling, popping or distorted playback

The microphone stopped working together with the speakers

Realtek Audio Console reports "can't connect to RPC service"

Volume icon shows "No audio output device is installed"

Why it happens

Windows Update swapped the driver

A generic Microsoft driver replaces the manufacturer's package - sound works at a basic level, but features and stability suffer, or output disappears.

Wrong package type: DCH vs legacy

Modern Windows uses DCH drivers paired with the Realtek Audio Console app. Mixing a legacy driver with a DCH system (or the reverse) breaks controls and jack detection.

The codec is customized by your PC maker

Laptop and motherboard vendors tune the Realtek driver for their boards. A package for a different board may install but behave wrongly.

A third-party audio app interferes

Equalizers and "audio enhancer" utilities install their own virtual devices and can mute or bypass the real output.

The fixes, in order

1. Roll back - if sound died right after an update

Right-click Start and open Device Manager.
Expand Sound, video and game controllers and double-click the Realtek entry.
On the Driver tab select Roll Back Driver, pick any reason, confirm and restart.

Roll Back is only available while Windows still keeps the previous driver - use it soon after the problem starts.

2. Clean reinstall through Device Manager

In Device Manager right-click the Realtek device and choose Uninstall device.
Tick "Attempt to remove the driver for this device" and confirm.
Restart the PC - Windows detects the codec again and installs a fresh copy.
Check sound. If Windows installed only the generic driver, continue with method 3.

3. Windows Update - optional driver updates

Open Settings, then Windows Update, then Advanced options, then Optional updates.
Expand Driver updates and install anything from Realtek.
Restart and test the sound.

4. The manufacturer's package - the correct source

Realtek does not publish end-user audio drivers on its own site - the right package comes from your PC or motherboard maker.
On a laptop: find the support page for your exact model (Dell, HP, Lenovo, ASUS, Acer) and download the audio driver for your Windows version.
On a desktop: check the motherboard model (msinfo32 shows it under System Summary), then get the audio driver from the board maker's site (ASUS, Gigabyte, MSI, ASRock).
Run the installer, restart, and install the Realtek Audio Console from Microsoft Store if playback controls are missing.

Stay safe: Avoid random "Realtek driver download" sites. They repack old drivers and often bundle unwanted software - the manufacturer's page has the same driver, matched to your hardware and free.

5. If there is still no sound

Click the volume icon and check that the correct output device is selected - HDMI monitors often steal the default.
Run the troubleshooter: Settings, then System, then Troubleshoot, then Other troubleshooters, then Playing Audio.
Follow the wider checklist in our no sound on Windows guide - it covers services, per-app volume and Bluetooth conflicts.

Where the manual route gets fiddly: it only works when you land on the exact model page and pick the right package for your Windows on the first try - and vendors list several near-identical downloads per model, with the scan or utility half often shipped separately. Driver Updater does the matching for you: it identifies the hardware and installs the current driver in one pass, with a backup before the change.

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Frequently asked questions

Why does Device Manager show "High Definition Audio Device" instead of Realtek?

That is Microsoft's generic driver. It appears when Windows cannot find (or was told to replace) the Realtek package. Basic playback works, but jack detection, effects and the Realtek console do not - installing the manufacturer's package brings the proper entry back.

Realtek's website has no audio driver downloads. Where do I get the driver?

That is by design - Realtek distributes audio drivers through PC and motherboard manufacturers, who tune them for their boards. Download from your device maker's support page, or let Windows Update deliver it.

Should I always install the newest Realtek driver?

No. The right driver is the one built for your board and Windows version. If sound works and nothing bothers you, keep what you have; update when something is actually broken or the manufacturer fixes a bug that affects you.