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UEFI Virtualization in Windows 10.
My issue is that, for some reason, my wireless mouse and onscreen cursor stopped working when Virtualization is enabled in UEFI Settings. I received an update from Intel for the CPU and Video Processor for my Dell Inspirion 15-3552 and after the update, which I can't seem to locate to remove, the wireless mouse and onscreen cursor are disabled once I log in from the start up lock screen. I discovered that disabling Virtualization in UEFI allowed the mouse and cursor to function normally but that also seems to slow down my computer operation. I'm on Windows 10 Insider build 17618 presently but the problem started in the previous Skip Ahead build but not directly after the Windows update but after the Intel update. I've checked with Intel, Dell and Microsoft but so far no one seems to know why this should be happening. I also researched the issue online but can't find any useful answers there either.