“Some of the hot keys are not working . The critical one is F4 mic mute button . Volume up and down works fine . I have also confirmed that the F4 keys works with the FN option. Is there a special software needed to make all the hot keys work .”
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We are sorry to hear that you are having issues with your HotKey Functions. First, check to be sure you have the latest version of Windows 10 on your computer, then update all of the BIOS files and drivers up to that latest Windows 10 version. You can easily accomplish this by scanning the computer with the Lenovo Utility software available on this computer. This system has Lenovo utilities installed to help maintain the health of the device and keep the operating system software up to date. Type "Lenovo Vantage" in the Cortana Search window (if Lenovo Vantage is not installed on your device, you can download the APP and install it now). Select Lenovo Vantage from the list. In the window that opens, click on "Health and Support". In the expanded menu, select "Hardware Scan" In the window that opens, select "Run Quick Tests". This will scan your entire system for errors. Follow any directions that may pop up. If the problem continues after this scan, now click on "System Update". First select Windows update from the menu. Scan your system to be sure you have the latest version of Windows 10. Once that scan is complete, select "Additional Updates". This will scan your device to be sure there are no new BIOS/Driver updates needed. Follow any instructions that may pop up. If the issue still continues after these updates, we recommend you call Lenovo Tech Support at: 877-453-6686 for additional help.
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