Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.
Work through these checks
0 of 3 complete01Run Audio Troubleshooter
Run Audio Troubleshooter.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
02Reset service permissions via CMD
Reset service permissions via CMD.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
03Reinstall Realtek/High Definition Audio driver
Reinstall Realtek/High Definition Audio driver.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
Possible causes
- Registry permission issue
- Antivirus blocking
- Corrupt driver installation
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