Cmi8738 Driver Windows 11 64 Bit [verified] May 2026

Finding a dedicated Windows 11 64-bit driver for the C-Media CMI8738 can be difficult because the hardware is legacy. However, you can often achieve full functionality by using the Windows 10 64-bit drivers in Compatibility Mode. Direct Download Sources

Since the hardware is quite old (originally from the late 90s/early 2000s ), you may need to use one of these workarounds:

: Older WDM drivers can sometimes cause system instability or crashes on modern Windows versions [2, 24]. If this happens, uninstall the driver in Driver Signature Enforcement Cmi8738 Driver Windows 11 64 Bit

• Fix: Click the speaker icon in the taskbar, select the arrow next to the volume slider, and ensure Speakers (C-Media CMI8738) is selected, not SPDIF.

Locate the Device: Look for "Multimedia Audio Controller" or "CMI8738" under Sound, video and game controllers (it may have a yellow exclamation mark). Update Driver: Right-click the device and choose Update driver. Select Browse my computer for drivers.

Method 2: Disable Driver Signature Enforcement (For Code 52)

Windows 11 blocks drivers that aren't digitally signed by Microsoft. The CMI8738 drivers are not. If you see Code 52 in Device Manager, you need to disable this security feature. Finding a dedicated Windows 11 64-bit driver for

Why is this happening? Microsoft changed the driver model significantly after Windows 7. Official drivers from C-Media ceased development years ago. But here is the good news: You can still get the CMI8738 working perfectly on Windows 11 64-bit.

Here is comprehensive information regarding the CMI8738 audio driver for Windows 11 64-bit systems. Fix: Click the speaker icon in the taskbar,

Disable driver signature enforcement (temporary):