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NO VIDEO INPUT??

Discussion in 'Hardware' started by elli5on, Dec 30, 2005.

  1. elli5on

    elli5on Kilobyte Poster

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    HI ALL, I TURNED ON MY PC THIS MORNING, BUT THE MONITOR SCREEN JUST HAD NO VIDEO INPUT BEING DISPLAYED....

    ANYONE KNOW WHY?

    CHEERS

    CRAIG
     
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    WIP: Thinking of MCDST
  2. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    Don't shout!

    have you checked to make sure that all of the cables are connected properly?
     
  3. elli5on

    elli5on Kilobyte Poster

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    yeh, i have checked this, but still no joy. :rolleyes:
     
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  4. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Do you get the usual 'beep' at turn on?

    If that beep is not there, and you have no video, and *all* the cables are OK, then that means the machine is not starting.

    Do the fans go round - any lights on the front? If not then is is a PSU prob.

    Harry.
     
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  5. elli5on

    elli5on Kilobyte Poster

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    Yes, usual 1 beep upon startup, caps, num lock lights all do their usual one flash upon startup as well... although when no video imput icon is displayed, i press caps, num lock keys, but they do not come on.

    craig
     
    Certifications: A+ N+
    WIP: Thinking of MCDST
  6. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    Have you connected any new devices to the pc recently, or done any driver updates?

    Do you have another monitor to try?

    Is the graphics card on the PC built onto the board, or is it an AGP one?
     
  7. elli5on

    elli5on Kilobyte Poster

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    THE GRAPHICS CARD IS BOUGHT FROM A SHOP, IT WAS BEFORE THAT HOWEVER AN ON BOARD GRAPHICS UNIT, I INSTALLED THE GRAPHICS CARD ABOUT 4 MONTHS AGO, AND UNTIL NOW NO PROBLEMS.......

    I COULD TRY ANOTHER MONITOR, BUT THE ONE I HAVE IS ONLY 5 MONTHS OLD

    CRAIG
     
    Certifications: A+ N+
    WIP: Thinking of MCDST
  8. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Sounds as if the machine is starting (the beep is generated by the processor) but is then locking up.

    Check the video card is seated properly (don't forget to switch off and disconnect everything before opening the case).

    Try with a different monitor.

    Check the monitor on a different machine.

    After this my next move would be to try booting with no drives connected, and all cards removed except for the video card.

    I'd also use a DVM to check all the voltages are there.

    As I have a 'post card' I would use that to see where it locked up - but these things are expensive so you may not have one!

    Harry.
     
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  9. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    As you have on-board graphics as well as a VGA card I'd check to see if the on-board is showing anything on the screen. If the
    BIOS got scrambled you may have a conflict between the display systems, so you may have to remove the add-in card temporarily.

    And - please don't shout!

    Harry.
     
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  10. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    I'd go with what Harry suggests.

    Also if the PC still has an onboard card in it try plugging the monistor into it rather than the AGP.

    Oh, I have also moved this thread to the Hardware and Upgrading forum.

    EDIT: I see Harry beat me to it whilst I was typing!
     
  11. elli5on

    elli5on Kilobyte Poster

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    its a pci express card i installed, i have already tried the monitor in the on board graphics port. still no joy, although i have not taken my new graphics card out and then plugged the monitor into the on-board slot.... should i give this a try later?

    craig
     
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  12. elli5on

    elli5on Kilobyte Poster

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    anyone have any further input to this?? :rolleyes:
     
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  13. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    Have you tried all of the things that have already been asked of you?
     
  14. Boycie
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    Boycie Senior Beer Tester

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    Hi Craig.
    You say you have tried the monitor in the motherboard graphics output. Was it the same monitor that won't work in the PCI Express card? If so, then i would isolate your monitor before opening up your case. Just because it is 5 months old doesn't mean it hasn't gone faulty. Let us know what happens :thumbleft

    Oh, when did this start to happen?
     
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  15. elli5on

    elli5on Kilobyte Poster

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    Well it started happening last night, i checked everything stated so far then, but i left it overnight and then tried it again this morning..... still the same outcome.

    the only thing i did not try was to take the pci card out and then try the monitor in the motherboard output.
    i shall try that when i get home and see what happens... luckily enough its all under guarantee so i should be ok.

    but its just i dont have access to the internet at home now(due to the error incured), which is vital for my home studying for a+ and n+.... and also my football team i manage @ www.sundayleague.com

    any other suggestions aside from the ones already stated?

    cheers

    craig :rolleyes:
     
    Certifications: A+ N+
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  16. Boycie
    Honorary Member

    Boycie Senior Beer Tester

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    try what has been mentioned and let us know :thumbleft
     
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  17. elli5on

    elli5on Kilobyte Poster

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    Thanks to everyone who helped me out today, i think its a faulty PCI express card. I have taken this out, and as yet no further problems.

    Many Thanks

    Craig :biggrin
     
    Certifications: A+ N+
    WIP: Thinking of MCDST
  18. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

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    Glad that you got it sorted! :biggrin
     
  19. Bluerinse
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    Bluerinse Exabyte Poster

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    You might want to try re-installing it again to see if the card is actually faulty or whether it just wasn't seated properly or the drivers had got corrupted.
     
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