Windows Vista Tip: How to Fix Slow Keyboard Response After Upgrade From Windows XP
Among some of the problems you may encounter after upgrading from Windows XP to Vista, is slow keyboard input response. This tip from Windows Insight author describes the problem with a "setting in the i8042 driver—the driver which controls the PS/2 port—which isn't correctly migrated during the setup process" and causes sluggish keyboard response with a 100% CPU spike until it "catches up from the burst of typing".
The fix is simple but involves the following registry fix and a reboot…
