Having problems with your Canon PowerShot A640 Digital Camera ?

A640 freeezes while taking pictures

\015 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. \015\012\015\012Problem: 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.\015\012\015\012Happens only while taking pictures with Flash ON. \015\012Problem happens less often with fully charged batteries.\015\012Problem did not occur while taking 50+ pics with Flash OFF.\015\012Picture quality is still excellent.\015\012Sometimes after problem occurs, Exposure seeting gets reset to 0 (I usually keep at -1)\015\012\015\012Problem happened first time while using Rechargeable Eneloops. Since then have switched back to my old Sony rechargeables.\015

Answers :

Your problem may be due to corrosion on the battery contacts inside the camera\015\012which can prevent the full power of the batteries from flowing into the\015\012camera. Try this free fix before you do anything else: remove the batteries and wipe the camera contacts firmly with\015\012a dry cloth (heavy corrosion may require cleaning with a wire brush,\015\012steel wool, or sandpaper). Remove any residue that may have fallen\015\012into the battery compartment during cleaning, then wipe both ends of\015\012the batteries and place them back in the camera. This cleaning clears\015\012the problem about 90% of the time. If it doesn't work for you, your camera may have\015\012a problem that requires professional repair.
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A640 freeezes while taking pictures


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