HP L2335 (23" widescreen TFT monitor) & Nvidia 5700 queries

Discussion in 'Windows Media Center' started by Tekguru (Daron Brewood), Sep 15, 2004.

  1. Well the good news is that the L2335 arrived tonight and by all accounts it
    is an awesome monitor.

    However with the Nvidia 5700 card I've a few questions:

    Using DVI:

    - If I try to use the DVI connection (as anticipated) I can't get above
    1600 x 1204 res so it looks like I will have to go for the ATI X800XT card
    as expected.

    - When booting the PC and it displays the Windows loading screen I get
    brief horizontal lines (about an inch in length) flashing across the
    screen. These vanish when I boot into a res of 1280 x 1204. If I increase
    the res to the maximum under DVI of 1600 x 1024 then the lines return.

    Do, does this sound like the 5700 card is struggling to handle the
    bandwidth, and should this be cured by using the much more powerful ATI
    card?

    Using the standard VGA monitor connection:

    - Connecting the monitor using VGA allows the native res of 1920 x 1200 to
    be achieved, but on going into Media Centre (after changing it to wide
    screen settings) the Live TV display it totally blank. This has happened
    before when updating gfx card drivers and it reappeared after an hour or
    so, however it does not appear to be returning this tie around. Any ideas?
    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 15, 2004
    #1
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  2. Thanks for keeping us up on this new display. With regard to the lines on
    the screen, how long and what quality is your DVI cable? We have seen
    similar problems on other machines/displays with inferior DVI cables in
    high-res modes.

    Regards,

    =D-

    Derek R. Flickinger
    Interactive Homes, Inc.
     
    Derek R. Flickinger, Sep 15, 2004
    #2
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  3. So this is supposed to hit up to 1920x1200? Also, just a thought. I
    know on my ATI Radeon 9800XT, I can reduce the DVI frequency for high
    resolutions. Does your card offer anything like this? You may want to
    check in the options for your card.

    Also, does this monitor have VGA at all that you might be able to test
    with and see if those lines appear using that? And last question, you
    said 1600x1204 and 1600x1024. Do you get both or is there a typo? The
    resolutions are unfamiliar because of the widescreen. :)
     
    Nathan McNulty, Sep 15, 2004
    #3
  4. What do you mean with "can't get above"? Are you not being offered
    resolutions higher than that? Have you tried unchecking the "Hide
    resolutions this monitor cannot display" option in advanced display
    properties -> Monitor?
    Uh, not really, right:
    It doesn't seem to have any problem with the bandwidth, at least not on the
    RAMDAC side. Now the TDMS transmitter may have a bandwidth issue, but I
    wouldn't know why it should have one.

    Which NVIDIA display driver version are you using? If you don't have them
    already, you might want to try the 61.77 release from the NVIDIA website.
    ideas?

    Hmm, what resolution did you use before? Try going back to that resolution
    and see if the live TV image reappears.

    Regards,«
     
    Robert Schlabbach, Sep 15, 2004
    #4
  5. The DVI cable is around a metre long, the standard one that came with the
    monitor. You thin kit is worth purchasing a higher spec cable?
    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 15, 2004
    #5
  6. Yep the monitors native res is 1920 x 1200. I've just looked through the
    Nvidia driver settings and as far as I can see no such options are in there
    at all.
    Oh yes, I'm using VGA now with no problems at all with the display, it's
    just that I'd rather use DVI for the prime monitor as that will allow me to
    have a secondary VGA display. Sorry, my typo, it should have been 1600 x
    1024. And with VGA I can hit the full 1920 x 1200 with out any problems.

    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 15, 2004
    #6
  7. On Wed, 15 Sep 2004 21:42:30 +0200, Robert Schlabbach wrote:

    Hi Rob,
    Indeed using DVI I'm not offered anything higher and I did try unchecking
    that option, no difference at all
    No clues there then :(
    Yep that is the driver I'm already using. I've been on the L2335 owners
    forum thread and reported my problems on there, a fair few other 5700 users
    have reported problems with the DVI on the card and have upgraded their
    card to get around it the problems.
    I used to use 1280 x 1024 and just swapped back to my old res and config,
    still no picture just a black screen so it looks like that is not the
    issue.
    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 15, 2004
    #7
  8. Now that is very, very odd. When I uncheck this option on my GeForce4
    Ti4200-8x, I get resolutions up to 2048x1536 offered, and I'm using DVI,
    too! Of course, anything above 1024x768 is "panning mode", i.e. only
    1024x768 will be displayed and I can scroll around a desktop of up to
    2048x1536.
    Ok, then go to Display Properties -> Settings -> Advanced -> GeForce
    5700 -> Change Resolutions. First, there's another checkbox "Hide modes
    that this monitor cannot support" there, uncheck that. If still no
    resolutions beyond 1600x1024 show up, hit the "Add" button and try adding
    1920x1200x32bpp. If it won't take 60Hz, try e.g. 50Hz. After clicking the
    "Add" button a dialog saying "The custom resolution has been added
    successfully" should show up.

    FWIW, I just tested the limits on my GF4 Ti4200-8x, and it allowed me to
    add a maximum resolution of 4096x4096x32bpp @75Hz...
    So it can't be related to the new monitor... Maybe something you broke
    while toying with the new monitor, though...

    Regards,«
     
    Robert Schlabbach, Sep 16, 2004
    #8
  9. Here are the official specs from NVIDIA:

    http://www.nvidia.com/attach/56807?type=support&primitive=0

    "DVI support for compatibility with nextgeneration flat panel displays with
    resolutions up to and including 1600x1200"

    So you should at least get 1600x1200, and not only 1600x1024. Furthermore,
    I wouldn't rule out that 1920x1200 is possible with reduced blanking, even
    if NVIDIA didn't write that - there may simply have been no 1920x1200
    monitors by the time those specs were written...

    But, interestingly enough, look at this:

    http://www.nvidia.com/attach/197410?type=support&primitive=0

    The GeForce 6 specs don't mention DVI support anymore. Instead it says:

    "Dual DVO ports for interfacing to external TMDS transmitters and external
    TV encoders"

    This makes it sound as if the GeForce FX had builtin TMDS transmitters (DVI
    outputs), and NVIDIA removed them again in the GeForce 6 series. Maybe they
    did that because they found their builtin TMDS transmitters would all to
    soon not be powerful enough for new monitors...? Then it'd be interesting
    to see what types of TMDS transmitters are used of GeForce 6 series
    cards...

    Regards,«
     
    Robert Schlabbach, Sep 16, 2004
    #9
  10. Unfortunately, just because it came with the monitor does not mean it is
    that great, especially when pushing the limits. I am not sure of this is
    related to your experiences. What I am saying, however, is that it has
    worked for us in the past.

    =D-
     
    Derek R. Flickinger, Sep 16, 2004
    #10
  11. Very interesting indeed, that may well be the case. Anyway I managed to
    track down an Asus X800XT board today and even though it cost £478 it will
    be here tomorrow for my birthday :) So I can play nicely trying to get the
    5700 out of the machine and installing the new card.

    Needless to say I'm half expecting the change over to cause problems and
    cause me to have to reinstall windows but we will see :)
    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 16, 2004
    #11
  12. Fair enough, I'll try the standard lead at first and if it fails I've
    located a dealer who sells very high quality leads, so if that fails I'll
    get HP to exchange the monitor :)
    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 16, 2004
    #12
  13. Strange, looks like teh 5700 does not support the panning system as i don't
    get ofered that at all. Anyway I'm giving up on that now and waiting to
    play nicely tomororw - if the card arrives safely :)
    Wow that is awesomly impressive :)
    I found the solution (blush) it does help if one makes sure that the TV
    ariel lead had not come lose from the wall socket <big blush> all working
    perfectly now :)

    --
    Tekguru (Daron Brewood)
    MS-MVP/Mobile Devices

    Webmaster: UKs largest Pocket PC Site
    http://www.tekguru.co.uk
     
    Tekguru (Daron Brewood), Sep 16, 2004
    #13
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