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  1. #1
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    tv connected to pc via hdmi = blinking pixels

    first of all
    English isn't my native language
    so please be patient with me , thanks in advance

    37PFL5405H/12 , bought Approximately one year ago , even less
    updated it to the newest version available

    some days ago i bought asus-n53s laptop all the drivers are updated
    all the display drivers and the windows updates

    and i have cheap hdmi receiver from my satellite-tv provider

    my problem :

    the tv displays normally (normally means very nice) when connected to the receiver
    when i use the same (working, proven) hdmi cable to connect my PC to the tv
    it displays 2~4 seconds normally
    and then blinking green pixels appearing on the screen
    those blinking pixels i will call them "noises" have some pattern
    some of theme are constant around the "borders" of any displayed image

    Example : if i watch a basketball match (and pause the game)
    there will be blinking pixels surrounding the ball ant the people etc

    and there are some "random" "noises" all over
    more often on dark areas .

    i had connected (by using the same hdmi cable) my pc to LG and SAMSUNG tvs and had no problems
    i tried the "re-install tv" and "factory settings" and it hadn't done me any good
    when i use vga cable instead of hdmi i have no problems
    re-installed new windows (on my pc) with the default drivers , same problem


    how can i fix this ?
    Last edited by Sashka; 11-26-2011 at 01:10 PM. Reason: spelling mistake

  2. #2
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    Philips - Thomas's Avatar
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    Hi

    so by connecting the receiver to the TV via HDMi there are no "blinking pixels"?
    You might want to sahre some Pictures or a Video of this blinking pixels?

    Regards
    Thomas

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    Quote Originally Posted by Philips - Thomas View Post
    Hi

    so by connecting the receiver to the TV via HDMi there are no "blinking pixels"?
    You might want to sahre some Pictures or a Video of this blinking pixels?

    Regards
    Thomas
    "so by connecting the receiver to the TV via HDMi there are no "blinking pixels"?"
    "the tv displays normally (normally means very nice) when connected to the receiver"
    just to be absolutely clear
    the answer is no
    no noises appear when connecting the receiver to the TV via HDMi
    furthermore
    no noises appear on other TVs when connected to my PC via the same HDMi cable

    "You might want to sahre some Pictures or a Video of this blinking pixels?"
    yes . added to this replay

    i have maybe found a clue
    by trial and error i managed to find that when i lower the refresh rate to
    30Hz all the noises disappear
    i'm sure that the TV can manage more then 30Hz (doesn't it ?)
    again ,my PC connected to other other TVs via the same HDMi cable had shown no noises
    at 60Hz and higher
    according to my satellite-tv provider the receiver's default refresh rate is 60Hz
    so it staggers me why the TV is discriminating my laptop (so it seams)

    again i'm stuck
    the 30 refresh rate giving me nice headache after ~30 mins


  4. #4
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    Hi

    no noises appear when connecting the receiver to the TV via HDMi
    furthermore
    no noises appear on other TVs when connected to my PC via the same HDMi cable
    Please test another PC on this PC as the Receiver works. Could be the Driver of your Laptop.

    Regards
    Thomas

  5. #5
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    Quote Originally Posted by Philips - Thomas View Post
    Hi



    Please test another PC on this PC as the Receiver works. Could be the Driver of your Laptop.

    Regards
    Thomas
    Thomas i am apologizing in advance
    if my comment will have more of a rough edge this time
    i knew this answer would come , eventually
    and i have to say that this "solution" that you offer me
    "lets blame the other guy" kind of solution ... is very disappointing
    and now , asus and philips are paying the "blaming game"
    can u take a guess who suffers from this approach ?

    doesn't the tv has drivers to ?
    (it does and we update them from time to time to patch tv's firmware)

    as to your question
    well i did tested it with other PC's and had no problem and visa versa
    it seams that only this tv with this pc are problematic
    the graphic card of my pc is
    nvidia 540M , has no known issues whit this or other TV
    it recognize the tv by name so there is no "mix up" with the driver which is quit generic
    the graphic card drivers and the windows drivers are fully updated

    tested other PC's with the similar hardware (and drivers) :
    i tested other pc with graphic cards from the nvidia brand and from the same series
    had no problem .
    tested other pc's with 2nd gen Intel® Core™ processor and again no problem

    anyway , thanks for your time and effort .

  6. #6
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    Hi

    for nvidia it is known that there might be Driver Issues on PC Side, so use the latest Drivers available from this Site:
    http://www.nvidia.de/object/notebook...driver-de.html

    Regards
    Thomas

  7. #7
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    "for nvidia it is known that there might be Driver Issues on PC Side"
    really ?
    link to your source of this information please
    Last edited by Sashka; 12-13-2011 at 03:51 PM.

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