ALC262 is a High Definition (HD) Audio Codec IC manufactured by Realtek Semiconductor, commonly used in older laptop and notebook motherboards. It is widely found in systems from Dell, HP, Lenovo, Acer, and Toshiba, providing stable onboard audio for speakers, headphones, and microphones.
The ALC262 handles essential audio processing tasks such as stereo speaker output, headphone jack detection, and microphone input. When this IC becomes faulty, typical symptoms include no sound, distorted or weak audio, microphone not working, or headphone jack issues, making it a common replacement IC in laptop motherboard repair.