Canon EOS 750D Instruction Manual page 371

Shooting-Related Problems
The lens cannot be attached.
The camera cannot be used with EF-M lenses (p.
The viewfinder is dark.
Install a recharged battery pack in the camera (p.
No images can be shot or recorded.
Make sure the card is properly inserted (p.
Slide the card's write-protect switch to the write/erase position (p.
If the card is full, replace the card or delete unnecessary images to
make space (p.37, 304).
If you try to focus in the One-Shot AF mode and the focus indicator
<o> in the viewfinder blinks, a picture cannot be taken. Press the
shutter button halfway again to refocus automatically, or focus
manually (p.50, 111).
The card cannot be used.
If a card error message is displayed, see page 37 or 382.
The image is out of focus.
Set the lens's focus mode switch to <AF> (p.
Press the shutter button gently to prevent camera shake (p.49-50).
If the lens has an Image Stabilizer, set the IS switch to <1>.
In low light, the shutter speed may become slow. Use a faster shutter
speed (p.150), set a higher ISO speed (p.122), use flash (p.166), or
use a tripod.
Troubleshooting Guide
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