Canon POWERSHOT SD870IS User Manual page 26

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