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Hello Nicholas,
Thank you so much for reaching out, I am Dexter an independent advisor, and I am glad to assist you today with this issue.
This problem has been reported by several users, and fortunately, there are multiple solutions that have worked for others. You can try these steps below:
Basic troubleshooting:
Test in Safe Mode: Booting into Safe Mode can help determine if third-party software is causing the issue.
Try an External Keyboard: Connecting an external keyboard can help identify if the problem is with the built-in keyboard.
Check for Windows Updates: Ensure that your system is up to date, as updates can fix known issues.
More comprehensive steps:
- Disable USB Power Saving Settings
Windows may automatically turn off USB devices to save power, which can affect keyboard performance. To disable this feature:
Press Win + X and select Device Manager.
Expand Universal Serial Bus controllers.
Right-click on each Generic USB Hub and select Properties.
Go to the Power Management tab.
Uncheck "Allow the computer to turn off this device to save power".
Click OK and restart your laptop.
This adjustment has resolved the issue for many Legion 5 users .
- Update BIOS and Drivers
An outdated BIOS or drivers can cause hardware malfunctions. To update:
Visit the Lenovo Support website.
Enter your laptop's model number (e.g., Legion 5 Pro) and check for the latest BIOS and driver updates.
Follow the instructions to download and install the updates.
Updating the BIOS has helped some users resolve keyboard lag issues .
- Uninstall and Reinstall Keyboard Drivers
Corrupted drivers can lead to input problems. To reinstall:
Open Device Manager.
Expand Keyboards.
Right-click on HID Keyboard Device and select Uninstall device.
Restart your laptop.
Windows will automatically reinstall the keyboard drivers.
This method has been effective for users experiencing similar issues.
- Perform a Hardware Diagnostic
Running a hardware diagnostic can help identify if there's a physical issue with the keyboard:
Turn off your laptop.
Press and hold the power button when you see the Lenovo logo during startup.
Release the button when the diagnostic screen appears.
Follow the on-screen instructions to test the keyboard.
This diagnostic has helped some users detect hardware-related problems.
- Check for Physical Obstructions
Ensure that there's no debris or dirt under the keys causing them to stick. Gently clean the keyboard using compressed air or a soft brush. If a specific key is unresponsive, it might be physically damaged and require professional repair.
Should you have more questions, please let me know.
Best regards,
Dexter