How to Speed Up Start Menu in Windows
Open Run Commend & Type Regedit
HKEY_CURRENT_USER
\ Control Panel \ Desktop \ MenuShowDelay
By
default, the value is 400. Change this to a smaller value, such as 0,
to speed it up.
If this doesn't work for some reason, then you
might try the following: Navigate to Display Properties then
Appearance then Effects and turn off the option titled Show menu
shadow. You will get much better overall performance.
