New hot keys

I had some hot keys for 6.3 now in 6.9 they do not work. I used the Q key and then a second letters w,e,r,a,z. well now in 6.9 it does not notice the q being pressed and if i hit like q then e it extrudes ignoring the q before the e.
Can I fix this?
Thanks

Did you use the ‘copy previous settings’ option when you installed 2.69

Are they actually set up in user preferences and not working ?
Have you selected the correct shortcut profile ?

If you are using the feature that allows you to ‘use any key as a modifier’, then NEITHER key in the two key shortcut can have a shortcut associated with it in a single state. Not sure if that is different recently but at least for the last few releases it has been so.