Question about HP Photosmart 945 Digital Camera
I have the exact same problem with MY HP 945 camera! It had horizontal lines through it in several of the shots. I thought at first it was the memory card, but after using that same card in another (older but still working HP) camera, and swapped in/out another card, but have same results. ONLY seemed to happen within the first 10 or so shots. So being a tech-savvy person, I decided to tear into it to find the issue, but once there, I decided to just get a new camera. So, THAT being said, I'm willing to send my camera to bmwrider, if he still wanted one on his desk, to see what HE can find... If interested in this, bmwrider, let me know and we can work something out for shipping?? I don't want any $$ for the camera, aside from maybe defraying shipping cost to you. Please respond to this and let me know, if you'd like...
Posted on Jun 08, 2007
I'm sorry but this appears to be a very common fault with this camera. HP won't repair the it seems they prefer you to upgrade at a discount. I haven't actually seen one one my bench as they aren't big sellers in Oz. Something I'm rather glad of actually. Hp do recognise it as a fault but refuse to say what actually causes it. I traced a similar problem with a Sony P72 to the video board. I'm waiting for a new one to arrive for a transplant. Perhaps you could find a faulty complete camera for sale on Ebay with a different fault of course and do a transplant with it. If that scares you, sell yours on Ebay listing the fault and use the proceeds as a downpayment on a new NON HP camera. Sorry I can't be of more help. BMW
Posted on Jul 01, 2006
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Posted on Jan 02, 2017
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So the trick when troubleshooting graphic problems is to determine if it is the LCD or the video card. The easiest way is plug in an external monitor to the notebook, if the external monitor shows the picture fine then the problem is with the LCD.
If the external monitor has the same problem then it is a problem with Windows / video drivers or with the video card itself.
That test ofcourse requires having an external monitor, if you don't have one then the diagnostics can help. The key to running diagnostics is to run the BIST test. Run diagnostics by starting the system while holding down the FN key or by tapping the F12 key and choose diagnostics. Allow the basic tests to start, after a moment you may notice a video test running, allow it to run and it will ask if it looked ok, you should choose no, this will start the BIST. What happens is that once the BIST starts the video signal is actually generated by the LCD and not the video card. So if you noticed the graphic problems while running normal diagnostics, you selected no, the graphics test didn't look good, the LCD would create its own signal, so if all of a sudden the image started looking good, with no problems that implies that the problem is with the video card, while if the picture still looked bad and had the same problems the LCD is defective.
So the questions that should be asked, are as follows:
While running the video test it will ask if the display looked alright. You chose no, the BIST started, did you still notice the vertical lines?
You tested with an external monitor, did the vertical lines go away?
If you answered yes to these three questions then the problem lies with the LCD. If you answered no to the questions then the problem lies with the video card.
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