Thank you for taking the time to report this bug and helping to make Ubuntu better. You've reported two different bugs here:
Alt-F2 not working > Bug #580295
The Dash needs a keyboard shortcut > Bug #644425
Marking as a duplicate of bug 644425. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.
Thank you for taking the time to report this bug and helping to make Ubuntu better. You've reported two different bugs here:
Alt-F2 not working > Bug #580295
The Dash needs a keyboard shortcut > Bug #644425
Marking as a duplicate of bug 644425. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.