Canon EOS 100D Instruction Manual page 339

Display Problems
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 file name's first character is an underscore ("_").
Set the color space to sRGB. If Adobe RGB is set, the first character
will be an underscore (p.146).
The file name starts with "MVI_".
It is a movie file (p.222).
The file numbering does not start from 0001.
If the card already contains recorded images, the image number may
not start from 0001 (p.221).
The shooting date and time displayed is incorrect.
Make sure the correct date and time has been set (p.37).
Check the time zone and daylight saving time (p.37).
The date and time is not in the picture.
The shooting date and time does not appear in the picture. The date
and time is instead recorded in the image data as shooting
information. When printing, you can imprint the date and time in the
picture by using the date and time recorded in the shooting information
(p.287).
Troubleshooting Guide
339