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pc - tv via hdmi cable. problems with hd resolution.

  • 09-12-2010 11:04am
    #1
    RoyalMarine
    Closed Accounts Posts: 5,824 ✭✭✭


    connected my pc via hdmi cable to my 32" tv recently.

    when i set it to anything other than 1024 x 768 its very fuzzy and un-usable.

    any suggestions on this? ive gone to google, and very little info on this problem.

    its an AOC 32" full hd tv. brand new hdmi cable, works fine with xbox.

    hd 5770 gpu with hdmi output.


Comments

  • #2
    54kroc
    Closed Accounts Posts: 2,376 ✭✭✭54kroc


    Have you tried a different hdmi input on the tv?


  • #3
    ricman
    Closed Accounts Posts: 1,559 ✭✭✭ricman


    Try 720x 576 res ,, most hdtvs only support 3 or 4 pc resolutions,read the tv manual,pc resolution input settings, try 1280 x 720 resolution, also make sure pc grahics refresh is set to 60mhz .
    There should be a sticky here, connect my pc to hdtv ,this question comes up every 2 weeks.MY HD TV, only works,on 720,1024 x768, and 1 other res, otherwise i get flikering,distortion in the pc picture, WHEN I use my laptop to connect to the tv..i prefer to use pc vga to vga input on the tv.Unless you have hdmi out on the pc grahics card.


  • #4
    coylemj
    Registered Users, Registered Users 2 Posts: 25,504 ✭✭✭✭coylemj


    +1 The TV manual should list the supported resolutions, check the manual and pick a resolution and screen refresh rate that your PC supports. No harm to update your video driver if there's a new version available either.

    If you lost the TV manual you should be able to find it here...

    http://www.aoc-europe.com/en/service/manuals.php


  • #5
    coylemj
    Registered Users, Registered Users 2 Posts: 25,504 ✭✭✭✭coylemj


    cork45 wrote: »
    Have you tried a different hdmi input on the tv?

    Unlikely to be an issue, all of the HDMI inputs would support the same list of resolutions.


  • #6
    ricman
    Closed Accounts Posts: 1,559 ✭✭✭ricman


    My hdtv manual,says when using pcs input via vga or hdmi, 60mhz is the maximum refresh rate,
    a higher refresh rate can damage the tube,or tv circuits.UNLESS you are sure use 60mhz refresh rate, thats safe for any hdtv .


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  • #7
    54kroc
    Closed Accounts Posts: 2,376 ✭✭✭54kroc


    coylemj wrote: »
    Unlikely to be an issue, all of the HDMI inputs would support the same list of resolutions.

    It's worked for me on an install before, the customer had a 50" samsung tv and I couldn't get the resolution working right, so I used a different input and it worked fine.
    One of the hdmi input's was able to handle a pc at 1900 x 1080 while no of the others would.


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