This driver download is available for Windows PCs.
At a Glance
DeviceRealtek ALC Audio Driver for Windows XP (Windows)
VendorRealtek
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 29, 2026
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The Realtek ALC Audio Driver for Windows XP (Windows) driver enables Windows XP to communicate with compatible Realtek onboard audio hardware, supporting sound playback and microphone input. It is intended for users restoring audio after reinstalling Windows XP, troubleshooting missing sound, or replacing an incorrect driver on a compatible desktop or laptop.
Key Features
- Audio playback support: Enables compatible Realtek ALC audio hardware to deliver sound through connected speakers or headphones.
- Recording capabilities: Supports microphone and other available audio inputs, depending on the computer’s audio codec and connector layout.
- Hardware recognition: Helps Windows identify and use supported onboard audio devices that may otherwise appear as unknown multimedia controllers in Device Manager.
- Audio configuration: Compatible packages may include Realtek controls for adjusting playback, recording, and speaker settings; available options vary by hardware and computer manufacturer.
How to Install Realtek ALC Audio Driver for Windows XP (Windows) Driver
- Identify your audio hardware. Check your computer or motherboard specifications for the exact Realtek ALC codec. If necessary, open Device Manager and inspect the audio device’s hardware IDs. The ALC name covers multiple codecs, so not every package is interchangeable.
- Confirm operating system compatibility. Verify that the package supports your Windows XP edition and whether it is 32-bit or 64-bit. This XP-focused driver should not be assumed compatible with Windows 10/11.
- Choose a trusted package. Before proceeding with a Realtek ALC Audio Driver for Windows XP (Windows) driver download for Windows, compare the supported hardware list with your system. Prefer your computer manufacturer’s package or an applicable official Realtek release, and check that any free download matches your hardware.
- Install the driver. Create a restore point, close running applications, and extract the downloaded archive if needed. Run the included installer and follow its prompts. If no installer is provided, use Device Manager’s Update Driver wizard and select the extracted driver folder.
- Restart and test audio. Reboot when prompted, then test speakers, headphones, and microphone input. If sound is still missing, check volume levels, the selected playback device, and physical connections.
Keep the driver updated only with releases explicitly compatible with your codec and Windows XP. The latest version for newer Windows systems is not necessarily suitable for older hardware. Before an update, retain the working installer or create a restore point so you can recover if audio problems occur.
Common Issues and Fixes
- Install fails or rolls back: Run the Realtek setup as Administrator, disable antivirus temporarily, or install via Device Manager > Update Driver. For HD Audio ALC codecs on XP, install the Microsoft UAA/KB888111 update first.
- Device not detected/no sound: Enable onboard audio in BIOS, check Device Manager for an unknown PCI device or missing UAA bus driver, verify the front-panel HD Audio header, then install the correct Windows XP 32-bit driver.
- Version conflicts or Code 10: Uninstall existing Realtek/Windows audio drivers, reboot, remove leftover driver packages if possible, then install a single XP-compatible ALC driver. Do not mix Vista/7 driver packages.
Driver Details
| Device | Realtek ALC Audio Driver for Windows XP (Windows) |
|---|---|
| Vendor | Realtek |
| Category | Audio |
| Supported OS | Windows |
| Published | October 28, 2026 |
| Updated | October 29, 2026 |
This driver download is available for Windows PCs.