Canon EOS 450D Instruction Manual page 80

Troubleshooting Guide
No images can be shot or recorded.
® The card is not properly inserted. (p=31)
® If the card is full, replace the card or delete unnecessary images to
make room. (p=31, 130)
® If you try to focus in the One-Shot AF mode while the focus
confirmation light <@> in the viewfinder blinks, a picture cannot be
taken. Press the shutter button halfway again to focus, or focus
manually= (p.37, 62)
® Slide the card's write-protect switch to the Write!Erase setting=
The LCD monitor does not display a clear image.
® If dust is adhering to the LCD monitor, wipe with a lens cloth or soft
cBoth.
® in low oF high temperatures, the LCD monitor display may seem slow
or it might look black= it wH! return to normal at room temperature=
The image is out of focus.
® Set the lens focus mode switch to <AF>. (p.33)
® To prevent camera shake, hold the camera still and press the shutter
button gentDy. (p.36, 37)
The card cannot be Used.
® If a card error message is displayed, see page 40 or 175.
The camera makes a noise when it is shaken.
® The built=in fiash's pop=up mechanism moves slightly= This is normal.
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