F10/11/12 Keys Not Working

[fred123]

Hello. I've just updated my macbook 2010 from 10.6.8 to Yosemite and it was going well until I tried to make the F4 button launch the launchpad. I followed some intructions online about typing "rm ~/Library/Preferences/com.apple.symbolichotkeys.plist" into terminal and restarting, but since doing that the F10/11/12 keys aren't working. Also the ctrl and alt keys are not working either (previously they were allowing me to switch between workspaces/dashboards). The 'fn' key also doesn't do anything.

Please can someone tell me how to fix this and just reset the F-keys to how they were on first install. (I tried going to Sys Pref > Keyboard > Shortcuts > 'restore defaults' but it doesn't do anything). Thanks.

picture attached of what i see when i press the F10/11/12 keys

 

[pigoo3]

Please give this a read:

How to Adjust Your Keyboard through OS X Yosemite - For Dummies

Especially the section entitled: "Use All F1, F2 Keys as Standard Function Keys."

And of course check all the other settings for the keyboard just in case something got selected or deselected unknowingly.

HTH,

- Nick

 

[fred123]

thanks, i managed to fix it with a SMC reset

 

[pigoo3]

Good deal. SMC Reset's can sometimes cure a myriad of things!

- Nick