Owner's Manual

Troubleshooting Guide
466
 White, red, blue, or other colored dots of light may appear on images if
the sensor is affected by cosmic rays, etc. Their appearance may be
suppressed if you perform [Clean nowf] under [54: Sensor
cleaning] (p.339).
 When you select [Clean nowf], the shutter will make a mechanical
sound, but no picture is taken (p.339).
 If you repeatedly turn the power switch <1> and <2> within a
short time period, the <f> icon may not be displayed (p.45).
 When using EOS Utility (EOS software), set [z5: Time-lapse movie]
to [Disable] (p.296).
 Install EOS software on the computer (p.488).
 While a Wi-Fi connection is established, the camera cannot be
connected to a computer with an interface cable.
Dots of light appear on the image.
Sensor Cleaning Problems
The shutter makes a sound during sensor cleaning.
Automatic sensor cleaning does not work.
Computer Connection Problems
Communication between the connected camera and
computer does not work.
I cannot transfer images to a computer.