Canon PowerShot SD870 IS Digital Elph User Manual page 195

Troubleshooting
1193
The memory card's
performance has dropped.
Memory card slot/battery
cover was opened with
power on.
• To enhance the continuous shooting
performance, you are recommended
to format the memory card in the
camera after you save all its images
to computer 65).
• After closing the memory card slot/
battery cover, turn the power on then
back off.