Playback Playback is not possible. Playback stops, or audio skips. Memory Card Sound is not played during movies. Wi-Fi Cannot access the Wi-Fi menu by pressing the [ ] button. Cannot add a device/destination. Cannot connect to the access point. Cannot send images. Cannot transfer images to a computer. Computer The memory card is not recognized. Before Use Basic Guide Advanced Guide Camera Basics Auto Mode Other Shooting  Modes Playback Mode P Mode Wi-Fi Functions Setting Menu Accessories Appendix Index 123 •  Images cannot be sent to CANON iMAGE GATEWAY or other Web services if you  move or rename image files or folders on the computer that received images sent  using Image Sync via an access point ( =  91). Before moving or renaming these  image files or folders on the computer, make sure the images have already been sent  to CANON iMAGE GATEWAY or other Web services. •  The write-protect switch of the memory card in the destination camera is set to the  locked position. Slide the write-protect switch to the unlocked position. •  The destination device has insufficient storage space. Increase the storage space on  the destination device and resend the images. •  Confirm that the access point channel is set to a channel supported by the camera  ( =  135). Note that instead of auto channel assignment, it is advisable to specify a  supported channel manually. •  Bring the camera closer to the other device you are trying to connect to (such as the  access point), and make sure there are no objects between the devices. •  Do not use the camera near sources of Wi-Fi signal interference, such as microwave  ovens, Bluetooth devices, or other equipment operating on the 2.4 GHz band. •  To add a computer, first install the software CameraWindow on your computer. Also  check your computer and Wi-Fi environment and settings ( =  76, 78). •  To add a smartphone, first install the dedicated application Camera Connect on your  smartphone ( =  70). •  Use a computer or smartphone to register Web services ( =  82). •  A total of 20 items of connection information can be added to the camera. Erase  unneeded connection information from the camera first, and then add new devices/ destinations ( =  94). •  The Wi-Fi menu cannot be accessed while the camera is connected to a printer or  computer via a cable. Disconnect the cable. •  Image or movie playback may not be possible if a computer is used to rename files or  alter the folder structure. •  Switch to a memory card that you have performed low-level formatting on with the  camera ( =  102). •  There may be brief interruptions when playing movies copied to memory cards that  have slow read speeds. •  When movies are played on a computer, frames may be dropped and audio may skip  if computer performance is inadequate. •  Adjust the volume ( = 56) if you have activated [Mute] ( = 98) or the sound in  the movie is faint. •  Restart the camera, with the memory card in it ( =  18). •  Press the [ ] button to enter Playback mode. Hold the [ ] button down as  you press the [ ] and [ ] buttons at the same time. On the next screen, press the  [ ][ ] buttons to choose [B], and then press the [ ] button. When attempting to transfer images to the computer via a cable, try reducing the  transfer speed as follows.