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Problem for Canon PowerShot A640 Digital Camera
A640 freeezes while taking pictures
By tarana_mmk on Sep 27, 2009
Camera is 2 yrs old & was never dropped or misused. I have been always using Rechargeable NiMh Sony batteries 2500 mAh. Have 2 sets & are 2 yrs old.
Problem: Camera freezes suddenly while taking pictures. On/Off button does not work when camera is frozen. Have to open the battery compartment to power off camera. Then use power On/Off button to turn camera ON.
Happens only while taking pictures with Flash ON.
Problem happens less often with fully charged batteries.
Problem did not occur while taking 50+ pics with Flash OFF.
Picture quality is still excellent.
Sometimes after problem occurs, Exposure seeting gets reset to 0 (I usually keep at -1)
Problem happened first time while using Rechargeable Eneloops. Since then have switched back to my old Sony rechargeables.
Problem: Camera freezes suddenly while taking pictures. On/Off button does not work when camera is frozen. Have to open the battery compartment to power off camera. Then use power On/Off button to turn camera ON.
Happens only while taking pictures with Flash ON.
Problem happens less often with fully charged batteries.
Problem did not occur while taking 50+ pics with Flash OFF.
Picture quality is still excellent.
Sometimes after problem occurs, Exposure seeting gets reset to 0 (I usually keep at -1)
Problem happened first time while using Rechargeable Eneloops. Since then have switched back to my old Sony rechargeables.
Solution #1
posted on Sep 27, 2009
Your problem may be due to corrosion on the battery contacts inside the camera
which can prevent the full power of the batteries from flowing into the
camera. Try this free fix before you do anything else: remove the batteries and wipe the camera contacts firmly with
a dry cloth (heavy corrosion may require cleaning with a wire brush,
steel wool, or sandpaper). Remove any residue that may have fallen
into the battery compartment during cleaning, then wipe both ends of
the batteries and place them back in the camera. This cleaning clears
the problem about 90% of the time. If it doesn't work for you, your camera may have
a problem that requires professional repair.
Yes
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