Ok guys, let's see if any of YOU can figure this one out.  


  1. Innotime2
    Posts : 21
    Windows 7 Home Premium 32
       New #1

    Ok guys, let's see if any of YOU can figure this one out.


    I seem to have the same problem quite a few people have online, but can't seem to find any of them solved.

    I have a Acer 5734z laptop. Just did a factory restore from the built in partition. Win7 Home Prem. x64.

    Everything works great EXCEPT the cam. I believe it is a BisonCam. A little more info on the device and hardware id is below. I have been trying to figure this out for over a week now with no luck.. all i get is a all black webcam screen instead of the photo.

    I have tried the BisonCam NB pro or whatever, I have tried Acer Crystal eye. Test-my-cam .com All the same result, black cam box. Which leads me to believe it absolutely has to be the driver. Device driver says it's working fine.


    Hardware ID:
    USB\ VID_0402&PID_5608 &REV_0100&MI_00

    On the actual webcam itself:
    lts09p2sf119 fw 0009
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  3. Innotime2
    Posts : 21
    Windows 7 Home Premium 32
    Thread Starter
       New #2

    BTW, I have tried installing all 3 drivers from the Acer website for my product.All same result. although the Liteon or whatever it was the only one that actually installed. Other 2 not recognized
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  4. Solarstarshines
    Posts : 7,466
    Windows 10 Home Premium 64bit sp1
       New #3

    Innotime2 said:
    I seem to have the same problem quite a few people have online, but can't seem to find any of them solved.

    I have a Acer 5734z laptop. Just did a factory restore from the built in partition. Win7 Home Prem. x64.

    Everything works great EXCEPT the cam. I believe it is a BisonCam. A little more info on the device and hardware id is below. I have been trying to figure this out for over a week now with no luck.. all i get is a all black webcam screen instead of the photo.

    I have tried the BisonCam NB pro or whatever, I have tried Acer Crystal eye. Test-my-cam .com All the same result, black cam box. Which leads me to believe it absolutely has to be the driver. Device driver says it's working fine.


    Hardware ID:
    USB\ VID_0402&PID_5608 &REV_0100&MI_00

    On the actual webcam itself:
    lts09p2sf119 fw 0009
    I am reading you can fix it one or two ways

    and the other is this go to Start menu click on Computer then proceed to Device manager then look for the Webcam now you might want to right click on it to update driver then you select the driver that you are trying to install and it should complete and work from there
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  6. Innotime2
    Posts : 21
    Windows 7 Home Premium 32
    Thread Starter
       New #4

    Thanks guys, going to give them a try and report back.
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  7. Innotime2
    Posts : 21
    Windows 7 Home Premium 32
    Thread Starter
       New #5

    Jimbo, appreciate it but still nothing.. I tried running with the Bison NB Pro in my device manager and it's an all black box. I delete the Bison from Device menu and restart, Windows auto installs the generic usb2.0 drive and i run the program again and still black box instead of picture. At the bottom of the box it says both Bison cam installed or the usb2.0 installed, so the programs all recognize the cam just nothing but black..again IMO it has to be driver dang it! Thanks again, if you can think of anything please let me know.

    Solar- Will now be trying your suggestions. Thanks
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  8. Innotime2
    Posts : 21
    Windows 7 Home Premium 32
    Thread Starter
       New #6

    BTW solar for your 2nd suggestion in device menu, yeah tried that plenty but no matter which driver i have in, either the generic usb or bison it says it's up to date. so that one does not work, going to watch the video now though.
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  10. Innotime2
    Posts : 21
    Windows 7 Home Premium 32
    Thread Starter
       New #7

    Nope. Tried it and same thing.
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  11. richnrockville
    Posts : 1,800
    Windows 7 Pro x64 SP1
       New #8

    fwiw: I had a friend who had a piece of tape on his camera lens. same symptoms..

    Rich
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  12. Solarstarshines
    Posts : 7,466
    Windows 10 Home Premium 64bit sp1
       New #9

    Innotime2 said:
    BTW solar for your 2nd suggestion in device menu, yeah tried that plenty but no matter which driver i have in, either the generic usb or bison it says it's up to date. so that one does not work, going to watch the video now though.

    What you should do is uninstall the driver first restart

    Then go through device manager again right click device hit update driver

    Browse location of the driver you want installed and assign it to the web cam it should work and that would be going around latest driver installed the screen I speak of looks like this when there is no driver


    Now after going through the steps have to pinpoint the driver LET ME PICK FROM A LIST OF DRIVERS or Browse for the crystal cam /and hopefully it will complete with out error
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  13. Kurtyogs
    Posts : 1
    windows 7 pro
       New #10

    The Cause


    Just click on 'Options' and make sure 'Preview' is ticked, otherwise, yep you get a black screen if its unticked
    Last edited by Kurtyogs; 28 Jun 2016 at 12:39. Reason: to make things clearer
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