If you want to set the startup state for any or all of these keys,
you just need to edit the registry.
Start Regedit
Go to HKEY_CURRENT_USER \ Control Panel \ Keyboard
Open InitialKeyboardIndicators
Change the value to one of the following numbers
0 - All Keys off
1 - Caps Lock on
2 - Num Lock on
4 - Scroll Lock on
For multiple keys, add their values:
3 - Caps Lock and Num Lock on
5 - Caps Lock and Scroll Lock on
6 - Num Lock and Scroll Lock on
7 - Caps Lock, Num Lock, and Scroll Lock on
Log off and back on again
