I recently performed a fresh install of Windows 10 and its been working perfectly for a couple of weeks. However, since a recent update I've been having a strange problem. Basically after this update I had a new icon appear in my taskbar called 'Realtek HD Audio Manager'. Since this happened my touchpad cursor has become laggy to the point of being almost unusable. The speed of the system overall doesn't seem to be affected (though it's difficult to tell) and my CPU/RAM usage is not spiking noticeably when this happens.
I tried uninstalling the Realtek drivers through Add/remove programs. After I rebooted the icon was gone and the problem seemed to be fixed (sound worked fine). However, next time I rebooted my machine the icon was back and so was the laggy cursor movement!
Went through this with a microsoft tech and he found that uninstalling the touchpad driver and rebooting also fixed the problem. Cursor slowed to a crawl (different drivers?) but was not laggy. However, once again, a second reboot caused the problem to recur (cursor movement back up to normal speed, but laggy again).
I can't really fathom what's going on. It's a lenovo laptop so my one guess is that some borked or conflicting drivers are being reinstalled from the recovery partition on the second reboot. Anyone have any ideas?
My machine is a a Lenovo Thinkpad Twist S230u.