DVI VGA Issues

I inadvertly hit the display key and changed the display setting onmy G5 Power Mac and now I have no display showing it says VGA NOT SUPPORTED. Is there a way to get back in and reset the display during the start up phase?

Click here and follow the instructions for Mac OS X 10.3.
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Similar Messages

  • Mini DVI - VGA Issue

    I purchased a Mini DVI-VGA adaptor from Apple over a year ago. I've used it only to connect my Macbook to a projector. Once connected, the screen will flash briefly and then the resolution will change and I will be able to switch back and forth from single screen to dual screen by clicking F7...but this was back when things were beautiful and I had no issues.
    Now, my adaptor will not work...neither would another Min DVI-VGA adaptor that I tried...but yet the port will work when I connect my Mini DVI-SVideo/RCA adaptor.
    Is there a setting that I may have changed? It doesn't seem to be a hardware issue because the port will work with a different type of adaptor.

    Hi. I have pretty much the same problem: everything was fine until yesterday. As usual, the screen flashed briefly but then the resolution DID NOT change and the projector could not connect. After removing the adaptor, the screen flashed again but that's it but there was no difference as the resolution had not changed. To note that the adaptor is (grrrr) new (bought about a month ago). Could it be an issue with MAC OS 10.6.2? or maybe the firmware needs an update? I'd be glad if someone could help. Cheers,
    Message was edited by: pbeauverd

  • Resolution issues w/ HDTV via DVI/VGA

    Hey everyone,
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    Any ideas at all?
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  • DVI Booting issues

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  • T400 and VGA issues

    I am pretty certain that my VGA output was working fine until today.  I don't use the external display that often so it's hard to say exactly when the issue started.
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    http://img.photobucket.com/albums/v629/jbum/linux/IMG00110-20100109-2040.jpg
    Note from Moderator:  Image(s) >50k converted to link(s).
    Solved!
    Go to Solution.

    Hi jbum,
    Thank you for posting that you were able fix your problem by not starting igfxpers.exe. I googled a bit about that one yesterday and didn't come away with a clear idea of all that it does. Apparently one thing it does is to store your favored screen resolution.
    Many recommend not starting the service, for example:
    http://www.avsforum.com/avs-vb/showthread.php?t=1079178
    I found only one person with a UMPC who said the service helped him:
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    But anyway, I think you are safe leaving it off, especially since it seems to have solved your problem with washed-out video.
    Your DVI issue interests me -- let's discuss it on the other thread.
    Best regards,
    Frank
    Results of Your Ideal Business-Class Laptop survey, concluded 2009-07-29.
    Did someone help you?
    Say thanks! with a kudo.
    Even better: Pay it forward, help someone else.

  • Macbook 2,1 dvi-vga video adapter, which one will work?

    Hi all,
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    TIA, Tross

    Thank you for the welcome Doug!
    Well if it should fit all macbooks my Macbook is either a mutant or the adapter is, as it is the laptop-adapter connection, that is the problem. I intend to plug it into a DVI monitor and that end fits fine.
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    http://cgi.ebay.com/Apple-Mini-DVI-To-VGA-Adapter-M9320GA_W0QQitemZ260189585262Q QihZ016QQcategoryZ80063QQtcZphotoQQssPageNameZWDVWQQrdZ1QQcmdZViewItem
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  • Mini-Dvi - VGA Problems

    I just bought a mini-dvi to vga adapter from apple but can't get it to work with my philip's hdtv. It works perfectly when plugged into my pc monitor, but when going into the tv I just get a blank screen with "no signal detected". I've using a VGA to DVI convertor on the cable going into the tv, I know I should have gotten a straight mini-DVI to DVI cable, but I wanted to be able to use VGA as well.
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    My tv is DVI-I in I think, which I read elsewhere has caused some conflict with mac mini's.
    Thanks in advance...

    Well, I just got myself a mini-DVI to DVI adaptor so that I could connect it to a DVI-VGA adaptor and on to my VGA (Apple) CRT.
    I may get a DVI-capable monitor in the future, so it seemed like a good future-proofing exercise. Unfortunately the DVI plug has four more pins (around the flat-blade pin) than the port on the mini-DVI adaptor has holes!
    so it doesn't fit.
    DRAT! I have been waiting for the DVI adaptors to come into the Apple Centre for a couple of weeks, and now it's no good! Grrr.

  • Mini dvi-vga problem - Need help

    When I connect my mac mini to a 32 inch Samsung HDTV via a dvi-vga adapter, the source is not recognized. I jsut get a black screen. However, when I connect it to the HDMI port, it works great. But, I wantto use the HDMI port for the Television source, not the computer source.
    Any ideas?
    Thanks

    Did you get the mini-DVI to VGA adapter from Apple? Are your other cables okay?
    Perhaps a mini-DVI to video adapter would be a better choice for you.
    ~Lyssa

  • Macbook mini-dvi -- VGA projector problems

    Hi
    At the school i teach at we have problems hooking up our new macbooks to one of our projectors. We use a mini-dvi --> VGA cable to hook up the projector. The mac recognises the projector and it gets listed under screens, the resolution also changes. But no picture is beeing projected by the projector.
    If we use a mini-dvi --> s/video/rca cable it works fine, but the quality of the picture is too low. The projector works nicely with the older macs we have, wich use the mini-dv --> vga cable.
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    I am having the same problem. I have to do powerpoint presentations at college and it was so embarrassing to go up there and my macbook not sync up. It use to work. I even bought a new adapter. It did not fix the problem. All the windows laptops were able to sync up to the projector but mine did not. This one one of the main reasons I bought a macbook. I need to take my work to school and connect to projectors. I am using the mini-DVI to VGA adapter. There appears to be no physical damage. When I click detect displays nothing happens. Now I have to redo everything on windows. Please, I hope someone has a fix for this. I am using the following; 2 GHZ Intel Core 2 DUo, 1 GB RAM, Mac OS X 10.4.10

  • How can i use the DVI-VGA adaptor under this particular circumstance?????

    I got a LCD only has DVI-I port, while as u guys has noticed, the MBP only got DVI-I too. So, my first thought is to get another DVI-VGA adaptor. What i'm doing is to hook up the VGA port then plug each DVI port to LCD and MBP. Well, the problem comes out that MBP was able to indentify the Monitor but no image apears on Monitor. How can i solve this problem? Or do i need to buy any other accessaries to configure my MBP in order to make it work with the **** Monitor!

    Right. You don't need a DVI-to-VGA adapter to connect DVI-to-DVI, obviously. The included DVI-to-VGA adapter is not meant to connect to the external display/projector, but merely to give you the proper connection to connect the VGA cable of the display/projector. I give a lot of presentations, everywhere I go there is a long VGA cable (at the podium, conference table, etc.); the short adapter is nice because I'd rather not carry a long cable with me...

  • Dual Monitor Hook-up, DVI/VGA/HDMI?

    I think it's time to retire my aging samsung 22" and buy a few 23" LED's to replace it.
    My graphics card only has DVI out (x2), and the 3 monitors I'm looking at do not have dual DVI (either dual HDMI and DVI, or DVI/VGA/HDMI), so I would need adapters from DVI to HDMI/VGA. I'm guessing that's all handled at the adapter/hardware level, so linux should have no problem finding them, but if I'm hooking 1 up natively to DVI, and the other through an adapter (or both through adapters), will I notice any quality difference between the 2 monitors?

    Cyrusm wrote:
    Personally I use my HDMI monitor as my main monitor and have the secondary monitor attatched to VGA. I can't really tell the difference in performance between the two, however I never work with anything terribly graphics intensive.
    and it hurts to hear that my Samsung 22" is also  'aging'  of course so is my 17" secondary I guess maybe that'll be my next investment...
    Sorry about the aging comment
    But this is the answer I was looking for! I don't want to have 1 monitor hooked up via HDMI and the other VGA and be able to see a noticeable difference between the 2. I don't do anything graphics intensive either.
    Thanks for all the responses!

  • Waiting to buy ... do I .. DVI, VGA or HDMI? (Samsung 23" TV)

    Hello,
    I'm currently very near to buying the basic Mac Mini model, customized to include;
    1.83GHz Intel Core 2 Duo
    120Gb HHD
    1Gb RAM
    My question is, I have a 23" Samsung HDTV and the ports on the back are HDMI and VGA with audio. I know the Mac mini comes with a DVI to VGA adapter but am wondering which is better for my situation, and why?
    Also what type of cable would I need for the better option? Currently I have none. I have a 3.5mm jack audio cable, which has the same male connector on both ends. Would I need any of the following to get setup:
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    VGA to VGA cable?
    DVI to HDMI cable?
    I'd rather not use Apple's adapter, if possible. I've found straight connections to work better than through an adapter of any kind.
    I'm trying to get everything ready, so that when it does come, I can simply plug in and use straight away, without having to go out and buy a cable before hand
    Thanks for your help and advice,
    R-Fly

    Since no-one has replied so far, I'll throw in a thought or two:
    It might help if you post the model number of the TV, such that those with experience of it, or the opportunity to do some digging, can let you know whether the HDMI option is suited to your needs or not. However, you can be pretty sure that the VGA connection will work just fine, since by far the most common complaint has been with minis which do not correctly get ID from the display when connected via HDMI.
    In your situation I wouldn't be so much concerned at using an adaptor - there's no reason to think they would not work perfectly well as long as they are firmly connected. Certainly I've used both DVI/VGA and DVI/Composite adapters with Mac minis for quite some time and not experienced any problems.

  • What is the best way to connect my new MBP to monitor - DVI, VGA or HDMI

    What is the best way to connect my new MBP to a computer monitor?  DVI, VGA or HDMI?  Thanks

    I recommend the Apple MiniDisplay Port to DVI adaptor.  I would avoid VGA.  MiniDisplay Port to HDMI will work as well (3rd party).
    http://www.apple.com/search/?q=dvi%20adaptor&section=mac&geo=us

  • No widescreen modes available using dvi-vga adapter

    I have a sony gdm-fw900 24" widescreen CRT monitor and just bought a new mac mini (1.66 dual core, 1GB etc). For some reason the mini does not detect that this is a widescreen monitor so all i get are standard 4:3 resolutions in the display system preference. I'm connecting through the standard white dvi-vga adapter that came with the mini.
    Is there a way to enable other resolutions? I want to run it at 1920 x 1200
    Thanks in advance,
    Shay
    Mac Mini 1.66 Dual Core Mac OS X (10.4.7)

    Thanks for the expertise, its just that I'm buying a 26" Sony Bravia for my bedroom when I save up enough which will serve for my Mac Mini, (via vga), and for my PS3 (via HDMI when it is released). It would be ideal for the Bravia to have a DVI connection of that of a monitor, however I still think that VGA is a sound connection as I have seen in pictures off 123MacMini.com of users having connected that way.

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    You need to go to System Preferences > Displays > Arrangement > Mirror displays
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