Will not turn on

Yes, especially if you use cheap batteries. Recommend getting the lithium batteries for it

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Rechargeable batteries can and do just die without warning.Sometimes the charger does so as well. The charger automatically prevents overcharging though.

Realistically, all you can do at short notice is to try another freshly charged NB-6L battery. if a camera shop has a display model they might allow you to try their battery in your camera, or more likely, your freshly charged battery in their camera.

Many times these digital camera require photo lithium batteries or rechargeables. I recommend you Purchase these first and try it out. Many times the standard household batteries just do not have enough power to turn on digital cameras. If you are still experiencing problems after new batteries then return back to store for another camera because that model may have a problem.

hello. Remove the battery and clean the battery contacts in the camera with the eraser end of a common pencil. Replace the battery and turn it on. Generally this will solve the problem. IF it does not solve your problem I recommend that you take the camera to a repair shop as opening it up yourself will void the warranty. Regards, Joe

Not all batteries are created equal, especially in digital cameras. Try lithium ion batteries (Energizer Advanced or Duracell PowerPix) or quality NiMH rechargable batteries. Regular alkalines, especially some of the cheaper ones, are not recommended regardless of what the manual says.

I had the same problem, same camera. So I checked to see if other digital cameras had the same problem, and some did. Seems to be with the batteries. I took out my memory card, and reinstalled the batteries that came with my camera, I've only had it a few days. Turned it on and it worked, so I took a pic, and then turned it back off and reinstalled the memory card, and made sure it was formatted. Turned the camera back on and it worked, and took another pic with no problems. The batteries I have right now are Panasonic Alkaline for Digital. They seem to be a heavier battery, because the cheaper ones are lighter and didn't work. So I say try that brand or make sure the batteries are for digital purposes. Hope this helps.

if after replacing the batteries with new ones or freshly charged ones your camera does not start up, high chances that something internal has failed - that needs some professional checks to be done. The cam is built to identify and report most issues that can be corrected by the user. so if it does not turn on, chances are you need support from a camera repair shop. (Alt : one step that you already tried could have helped is the factory reset - there should be one or two buttons on the cam that needs to be pressed together to reset the cam)

I have this camera and mine did the same thing. YOU SHOULD DEFINATELY TRY DOUBLE AA RECHARGEABLS. I know you probably have ehard that they're no good, bubt my camera works for days if i fully charge the batteries, So, try some new and FRESH batteries for your camera.

I am sure you ave figured out what to do for this poblem but if not...I had this problem with a nikon I just purchased. The guy I bought it from said it was the battery charger, so I purchased a battery charger on ebay-"new nikon d1 battery charger" was the actual listing and it cost about $40.00. You can get the actuall charger that comes with it on ebay- but it cost alot more money. I recieved the product, tried it on my battery (which was suppose to be new) and it still would not charge. I took all my stuff (battery, new charger, old charger) to a local battery shop in town and they tested it all for me. Come to find out it was not the charger all along, it was the "new" battery- UGHH! The whole point to this story is this- if you have not aken your battery and charger to a battery shop yet- do that first. Then go from there. Like I said- you canget the charger on ebay- and the battery can be bought for about $36.00 too. I would not recommend buying both like I did! Good luck.

This problem may be due to one of the following: * The lens cover is not open. Slide the lens cover to the right. * The batteries are not inserted properly. Remove the batteries and check the placement of the (+) positive and (-) negative ends. Then reinsert them, making sure they're securely in place. * The batteries are dead. Put in fresh replacements. Power issues may also be the result of using the wrong AC adapter. Use only the recommended AC adapter for the 640.