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Troubleshooting USB Keyboard and Mouse Issues on iMac Running Sonoma

Guide:

If you're experiencing USB keyboard and mouse issues on your iMac running Sonoma, here are some troubleshooting steps you can try:

  1. Check USB Ports: Ensure that the USB ports on your iMac are functioning properly by testing them with other USB devices. If other USB devices work fine, the issue may be specific to your keyboard and mouse.

  2. Try Different Ports: Plug your USB keyboard and mouse into different USB ports on your iMac. Sometimes, certain ports may have compatibility issues or be malfunctioning.

  3. Reset SMC and NVRAM: Resetting the System Management Controller (SMC) and Non-Volatile Random Access Memory (NVRAM) on your iMac can sometimes resolve USB-related issues. Instructions for resetting these can be found on Apple's support website.

  4. Use a Different Keyboard and Mouse: If possible, try using a different USB keyboard and mouse to see if the issue persists. This can help determine if the problem is specific to your current devices.

  5. Check Compatibility: Ensure that your USB keyboard and mouse are compatible with macOS Sonoma. Older or specialized keyboards and mice may not be fully compatible with newer operating systems.

  6. Update Drivers: If your keyboard and mouse require specific drivers, ensure that they are up to date. Visit the manufacturer's website to download and install the latest drivers for your devices.

  7. Boot into Safe Mode: Booting your iMac into Safe Mode can help diagnose and troubleshoot issues with USB devices. To boot into Safe Mode, restart your iMac and hold down the Shift key until you see the Apple logo.

  8. Reinstall Sonoma: If all else fails and you're unable to resolve the issue, consider reinstalling Sonoma on your iMac. You can create a bootable USB installer using another Mac or a Windows PC (using tools like TransMac or balenaEtcher) and perform a clean installation of Sonoma.

By following these troubleshooting steps, you should be able to diagnose and resolve USB keyboard and mouse issues on your iMac running Sonoma. If the problem persists, consider reaching out to Apple Support for further assistance.

USB keyboard and mouse issues on iMac running Sonoma. Already tried a USB hub, what are my.options now?

I'm not sure where to go from here. I have this iMac 9,1 (old from 2009) and another Windows PC, and OpenCore only displays 4 options once I hit spacebar. The recovery option and the real Sonoma OS both fail to recognize my keyboard the minute it begins to load, however my keyboard and mouse are usable up until that just after power-on and up until I select my boot option in OpenCore.

Is there a way I can install another image now that I'm here? Or a way to get the USB keyboard and mouse recognized?

Author: @YepperyYepstein
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