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Black screen when laptop connected to TV via HDMI

  1. #1


    Join Date : Oct 2011
    INDIA
    Posts : 15
    Vista Home Premium SP2
    Local Time: 05:24 AM
    india

    Black screen when laptop connected to TV via HDMI

    Hi all,
    Toshiba Satellite U400-157
    Windows Vista Home Premium Intel Core(TM)Duo CPU T5900@2.20GHz; RAM 4.00GB
    Display Adapter: Mobile Intel(R) 4 series Express Chipset Family
    Stage 1
    Laptop connected to Panasonic LCD 42" with HDMI cable
    Both LCD screen and laptop monitor diplay correctly
    Able to change display settings and control cursor at laptop
    Everything is working fine

    Stage 2 two weeks later
    When HDMI cable is connected, Laptop screen goes black, but the LCD screen works fine and the cursor appears on the LCD and can be controlled by the laptop

    Stage 3 two (more) weeks later
    When HDMI cable is connected, Laptop screen goes black, LCD screen is blank, no cursor visible
    I right click laptop screen, go to Graphic Properties>Display settings and try and change the Operating Mode: from Single display to Two
    Primary Device: LCD
    But these choices are not available.
    I go to Control Panel> Personalization> Display Settings
    Drop-down menu shows
    1. Generic PnPMonitor on Mobile Intel(R) 4 series Express Chipset Family
    Select down arrow
    2. (Default Monitor) on Mobile Intel(R) 4 series Express Chipset Family appears

    Connected HDMI cable and try again
    I have two Black Screens ...!
    Have tried restarting comp then TV, and vice versa, before and after connecting HDMI cable, but nothing works.
    (all other independent operations on the laptop and the TV work perfectly well)

    Yelp, help, please ...
    TIA
    Mukund
    PS I did not post correctly, so I am doing it again lest I get no responses. Sorry about that

      My System SpecsSystem Spec

  2. #2
    Yard Dog's Avatar


    Join Date : Oct 2011
    Central Florida in a small town
    Posts : 2,175
    Vista Home Basic. 32 bit SP 2
    Local Time: 06:54 PM
    usa us florida

     

    Re: Black screen when laptop connected to TV via HDMI

    Hello, Do you have another HDMI cable to try , if not, do you have a VGA cable to use ?

      My System SpecsSystem Spec

  3. #3


    Join Date : Oct 2011
    INDIA
    Posts : 15
    Vista Home Premium SP2
    Local Time: 05:24 AM
    india

      Thread Starter

    Re: Black screen when laptop connected to TV via HDMI

    Yes, I do have another HDMI cable and thinking that it could be the cable I tried it too.
    No luck, exactly same situation

      My System SpecsSystem Spec

  4. #4
    Yard Dog's Avatar


    Join Date : Oct 2011
    Central Florida in a small town
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    Vista Home Basic. 32 bit SP 2
    Local Time: 06:54 PM
    usa us florida

     

    Re: Black screen when laptop connected to TV via HDMI

    I take it that Device Manager does not show any yellow icons or such ?

      My System SpecsSystem Spec

  5. #5


    Join Date : Oct 2011
    INDIA
    Posts : 15
    Vista Home Premium SP2
    Local Time: 05:24 AM
    india

      Thread Starter

    Re: Black screen when laptop connected to TV via HDMI

    No yellow icons in Device Mgr.
    Something in the laptop is getting 'upset' when I plug in the HDMI cable, coz the moment I do so, my HDD light begins to blink a lot, and the laptop screen goes blank/black.

    I even tried starting my laptop with the HDMI cable already connected, and the (desktop) screen does not load and the HDD light is very busy.
    If I disconnect the HDMI cable the comp take some time to recover.

    The strange thng is that when I first began watching movies (from the laptop) on TV everything seemed fine. I was able to go to the Display properties and select the laptop monitor or the TV LCD monitor as the Master. Now there is no selection possible.

    I even checked my Display adapter Driver to see if it is corrupt, or needs to be updated. I have Ver 7.15.10.1502 and if I try and update driver I get a msg telling me I have the latest ver.

      My System SpecsSystem Spec

  6. #6
    Yard Dog's Avatar


    Join Date : Oct 2011
    Central Florida in a small town
    Posts : 2,175
    Vista Home Basic. 32 bit SP 2
    Local Time: 06:54 PM
    usa us florida

     

    Re: Black screen when laptop connected to TV via HDMI

    Do you have a Restore Point to go to , before you had issues ?

      My System SpecsSystem Spec

  7. #7


    Join Date : Oct 2011
    INDIA
    Posts : 15
    Vista Home Premium SP2
    Local Time: 05:24 AM
    india

      Thread Starter

    Re: Black screen when laptop connected to TV via HDMI

    Just this morning I updated my comp to SP3 thinking that it might help. So, unfortunately, there are no restore points earlier than today.

      My System SpecsSystem Spec

  8. #8
    tom982's Avatar



    Join Date : Mar 2010
    England
    Posts : 3,642
    Windows 8.1 Pro x64
    Local Time: 11:54 PM
    uk uk england

     

    Re: Black screen when laptop connected to TV via HDMI

    Hello mlele and welcome to the forums

    In addition to Yard Dog's excellent advice, can you do the following for us please:

    Go to Control Panel > Appearance and Personalisation > Display

    On the side bar, you should see Adjust Resolution, click on it. Can you take a screenshot of what you see please? Upload it with your next post.

    Tom

      My System SpecsSystem Spec

  9. #9


    Join Date : Oct 2011
    INDIA
    Posts : 15
    Vista Home Premium SP2
    Local Time: 05:24 AM
    india

      Thread Starter

    Re: Black screen when laptop connected to TV via HDMI

    Hi Tom,

    Here it is:
    -capture-jpg
    Hope this is what you wanted to see.
    TIA

      My System SpecsSystem Spec

  10. #10


    Join Date : Oct 2011
    INDIA
    Posts : 15
    Vista Home Premium SP2
    Local Time: 05:24 AM
    india

      Thread Starter

    Re: Black screen when laptop connected to TV via HDMI

    Sorry, I ought to have said this earlier- that I appreciate your welcome msg.
    Mukund
    Navy Veteran

      My System SpecsSystem Spec

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