When I press the volume up or down hotkeys on my Microsoft Natural Ergonomic 4000 keyboard(s), there is a delay – sometimes of up to 30 seconds, before windows reacts to it. At other times they work instantly.
I think the delay happens if I have not used the keys since last reboot – or maybe after the computer comes out of sleep.
I have observed this same behaviour on 3 different PCs and 3 different physical keyboards (all same model). They have all run Windows 7 64bit, and I have not installed any special software, other than what Windows itself decides to install with the driver (Intellitype).
How can I fix this issue?
Best Answer
Seems to be a horrendous interaction with a virus scanner.
Here's how I reproduced:
Specs: Win7-64, Core2 i7-860 (4-cores), SSD system drive.
UPDATE:
Microsoft IntelliType Pro
folder from scanning did not help. :-(