https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/quot-Q-quot-button-not-responding/m-p/136997#M62719 <P>Hi toolmanlh!</P><P>&nbsp;</P><P>Welcome to the Canon Forum.</P><P>&nbsp;</P><P>In all modes, the [Q] button should perform some function related to the Quick Control Screen.&nbsp; If you press the button and it does not activate the Quick Control Screen each time, then the camera is going to need to be repaired.&nbsp; To start the repair process, you'll need to complete a <A href="http://www.usa.canon.com/cusa/consumer?pageKeyCode=onlineRepairLanding" target="_blank">Repair Request</A> on our website.</P><P>&nbsp;</P><P>&nbsp;</P> Sun, 29 Mar 2015 13:08:13 GMT Mykolas 2015-03-29T13:08:13Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/quot-Q-quot-button-not-responding/m-p/136625#M62718 The quick menu button on my t4i has suddenly become erratic. Sometimes it works, other times it won't. Any ideas ? Wed, 25 Mar 2015 00:32:01 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/quot-Q-quot-button-not-responding/m-p/136625#M62718 toolmanlh 2015-03-25T00:32:01Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/quot-Q-quot-button-not-responding/m-p/136997#M62719 <P>Hi toolmanlh!</P><P>&nbsp;</P><P>Welcome to the Canon Forum.</P><P>&nbsp;</P><P>In all modes, the [Q] button should perform some function related to the Quick Control Screen.&nbsp; If you press the button and it does not activate the Quick Control Screen each time, then the camera is going to need to be repaired.&nbsp; To start the repair process, you'll need to complete a <A href="http://www.usa.canon.com/cusa/consumer?pageKeyCode=onlineRepairLanding" target="_blank">Repair Request</A> on our website.</P><P>&nbsp;</P><P>&nbsp;</P> Sun, 29 Mar 2015 13:08:13 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/quot-Q-quot-button-not-responding/m-p/136997#M62719 Mykolas 2015-03-29T13:08:13Z