Question about HP Photosmart 945 Digital Camera

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Red light flashing

My photosmart 945 does not seem to be functioning. When I put batteries in the red light flashes and the LCD screen blinks on and off and on and off but the HP logo does not come on and I can't take pictures. I have tried resetting the camera by leaving the batteries out for days on end but no change. Does anyone have any thoughts? thankss

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Re: red light flashing

As you continue to recharge batteries time after time they will not hold charge as long as when they were new. I quit using nickel cadmium and went back to alkaline batteries. Have had no problems since the power is consistent until the batteries wear out. Some cameras have a system of red lights that must be on when batteries are working. Otherwise, time to toss, even if there is no warning but camera is not working properly. Change batteries. If nothing works...toss camera! :)

Posted on May 31, 2008

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Re: red light flashing

I had the same problem last night. It went away when I recharged the AA batteries.

Posted on Aug 12, 2007

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I posted on July 16 with this flashing problem and played around and got mine working again.
Originally I would charge through the docking port. What I did was pull the charged rechargable batteries out of the camera and took the charging cable from the docking station and pluged it directly into the port on the side of the camera. The camera started working again. Then while the charging cable was pluged into the camera, I reinstalled the rechargable batteries. After installing the batteries I unpluged the charging cable and the camera still works. I have shot and downloaded from the camera pictures with no more problems. Use the docking for downloading pictures and the side port on the camera for recharging the batteries.
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Hp photosmart 945 does not turn on all the way

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Apr 10, 2008 | HP Photosmart 945 Digital Camera

1 Answer

Flashing lights

I read your posting about changing the batteries. I tried it once and it did not work. Then, I tried it again a few weeks later and the new batteries made it work. I have not tried the rechargable batteries again. I am afraid to remove the batteries I placed in the camera. I hope this helps you. I think there must be a sensor that gets reset at some point and the issue stops. Who knows. Good luck!!!

HP also suggested to reset the camera as follows:
To Reset The Camera:
1. Remove the memory card and turn on the camera.
2. Open the battery compartment and remove the batteries.
3. Wait at least ten seconds.
4. Reinsert the batteries and turn on the camera.

I also found information regarding a similar problem with another model at this link:

Focus Assist Light and LCD Flash Simultaneously

The Issue:
When the HP Photosmart digital camera is placed on the dock without batteries, the AF assistance LED and LCD could blink at the same time. Explanation It seems that the super-capacitor on the camera senses the voltage supplied by either the AC adapter or batteries when they are inserted. This is more an annoyance rather than an actual failure on the device. The microcontroller (Dang) senses the voltage and sends a signal to the LCD and AF assistant LED. This is what some times is called a WAD (working as designed). If batteries are present or the super-capacitor is charged, the AC adapter will not trigger this behavior. This can be tried by inserting some batteries on the camera for 3 or 5 minutes, then remove them and place the camera on the dock. No blinking should be present.

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1 Answer

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I have had a HP Photosmart 945 for a few years now. A few days ago was the first time I saw my camera experience the problem described above. I thought something is wrong with the on-bard logic.

Replacing my batteries (4x2300mAh NiMH AAs) with four other freshly charged batteries of the same kind didn't fix it. The camera's LCD kept flashing on and off for almost an hour until my family got tired of it and turned it off by removing the batteries.

I just replaced the rechargeable batteries with four regular alkaline batteries and now suddenly it works. Go figure.

The moral is that changing the batteries sometimes helps. When it works, it will get your camera going for a while. The problem, however, doesn't seem to be battery-related or I would have seen it a long time ago with smaller-capacity batteries like alkaline AAs. Something is very wrong with the camera itself, that much is clear.

Best-case scenario now is that I have an unreliable camera that can give out at any moment. For example today it died in mid-shot and almost spoiled a family event. For me the solution was "get a non-HP camera".

I hope this helps someone out there.

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6 Answers

Red light flashes and LCD turns off and on

A quick test would be to purchase a set of Duracell Ultra Digital batteries and try them. They won?t last for very long; however, if they make the red light go away then you problem is either the batteries you are using or the charger. More often than not its going to be the batteries so we?ll start there: Check your batteries, you should be using Nickel metal hydride (Ni-ME) that are rated at 1450 (I use 2500) mAh or better. If the batteries are more than one year and you?ve used them a lot then its likely the batteries just aren?t holding a charge anymore. Purchase a new set or borrow a working set from a friend. Charge them in your charger and try in your camera, if the red LED goes away use the batteries till they need charging again. Charge them in your charger and if the red LED stays off then the batteries were the problem. If the red LED returns then try charging your batteries in someone else?s working NiME charger. Put them in your camera and if the red LED goes away then your charger is the fault.

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I have had this problem with my 945 as well, the only way I could get it to stop was to take the batteries out and leave them out for a while.

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