Canon EOS 60D Instruction Manual page 288

Troubleshooting Guide
When the movie is played, camera operation noise can be heard.
If you operate the camera's dials or lens during movie shooting, the
operation noise will also be recorded. Use an external microphone
(commercially available) (p.187).
Display & Operation Problems
The LCD monitor does not display a clear image.
If the LCD monitor is dirty, use a soft cloth to clean it.
In low or high temperatures, the LCD monitor display may seem slow
or might look black. It will return to normal at room temperature.
The menu screen shows few tabs and options.
In Basic Zone modes and in movie shooting mode, certain tabs and
menu options are not displayed. Set the shooting mode to a Creative
Zone mode (p.46).
The image cannot be erased.
If the image has been protected, it cannot be erased (p.213).
Part of the image blinks in black.
The [4 Highlight alert] menu option is set to [Enable] (p.192).
A red box is displayed on the image.
The [4 AF point disp.] menu option is set to [Enable] (p.193).
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