Default display changes when connecting to HDTV

My macbook pro has been connecting to my TV appropriately for months.  The display is suddenly changing to a different default when I connect now.  It was fine two weeks ago and has done 3 software updates in between.  I have not loaded other new software.  When the thunderbolt connection is made, both screens turn blue, then both display a screen resolution formatting that doesn't fit the screens.  Any suggestions?

Do you have your Displays preferences set for a mirrored Arrangement?
In fact check your other Displays preferences as well -- resolutions and refresh rates.

Similar Messages

  • Cannot change display resolution when connected to external display

    On my 2.0GHz 13" MacBook, I have no problem with the display resolution when connecting to external display/projector when I am running in Mac OS, everything work perfectly! But things start to get messy when I am running in Windows VISTA 32 (installed within the Boot Camp 2.1). Whenever I connect to any external display/projector via a MiniDisplay-to-VGA cable, the resolutions on both my MacBook LCD and external display/projector drop to 640x480. And i am not able increase the resolution in the Display Settings. Does this mean that I have not installed the latest version of display drivers? Or is it that Apple did not provide the VISTA 32 drivers (in Boot Camp 2.1) that is compatible with the Mini Display port.

    Cool!
    I'm glad you have it fixed.
    Please resolve the thread so others can find your answer faster.
    Thanks,
    Bifocals
    Click Accept as Solution for posts that have solved your issue(s)!
    Be sure to click Like! for those who have helped you.
    Install BlackBerry Protect it's a free application designed to help find your lost BlackBerry smartphone, and keep the information on it secure.

  • Only screen saver appears when connected to HDTV

    Only screen saver appears when connected to HDTV?

    Check the Energy Saver and Screen Saver settings, sounds like you have Energy Saver kicking-in before Screen Saver.

  • MBP Kernel Panic when connecting to HDTV (DVI)

    I have a 15" MacBook Pro that has been working perfectly since I got it. I tried today to connect it to my Hitachi 51" HDTV (via DVI) and got an instant Kernel Panic. I used my 15" Powerbook with this HDTV without any issues.
    I've searched and found folks with kernel panics when waking their MBP if the RAM is faulty, but nothing at all about issues when connecting an external display. I am running with all the latest updates, firmware update, etc.
    I don't have any problems connecting to a 23" Cinema display or to a 19" Samsung LCD, but I tried several times to connect to the HDTV and got a kernel panic each time. I changed resolutions on one try and still got the same issue (720x480 so the TV would see it as 480p). I even tried booting up with the display already connected and it kernel panic'd when it tried to switch into the full OS X GUI.
    The specific error is in the panic.log is:
    Sat Jun 10 16:23:48 2006
    panic(cpu 0 caller 0x0019CAEF): Unresolved kernel trap (CPU 0, Type 0=divide error), registers:
    CR0: 0x80010033, CR2: 0x35863000, CR3: 0x00d6e000, CR4: 0x000006e0
    EAX: 0x00000001, EBX: 0x00000000, ECX: 0x251a36fc, EDX: 0x00000000
    ESP: 0x251a360c, EBP: 0x251a36d8, ESI: 0x00000000, EDI: 0x00000000
    EFL: 0x00010247, EIP: 0x0078ca44, CS: 0x00000008, DS: 0x0a8c0010
    Backtrace continues...
    Kernel loadable modules in backtrace (with dependencies):
    com.apple.kext.ATINDRV(4.2.6)@0x771000
    dependency: com.apple.iokit.IOGraphicsFamily(1.4.3)@0x574000
    dependency: com.apple.iokit.IONDRVSupport(1.4.3)@0x58f000
    com.apple.iokit.IONDRVSupport(1.4.3)@0x58f000
    dependency: com.apple.iokit.IOPCIFamily(2.0)@0x565000
    dependency: com.apple.iokit.IOGraphicsFamily(1.4.3)@0x574000
    So definitely something with the graphics subsystem. Anyone have any hints?
    MacBook Pro 2GHz 2GB RAM ATI x1600 256MB Mac OS X (10.4.6)

    What happens if you boot from the DVD that came with the MBP instead of booting from your hard drive? It could have something to do with your configuration.

  • Audio not working when connected to HDTV

    I connected my MacBook Pro to my Samsung HDTV LN40D503F6F and also connected an HDMI cable to the TV using Apple mini DVI cable. I tried connecting to both HDMI/DVI 1 and HDMI 2. Video works fine when connected to both the HDMI ports, but the audio didnt work. I also purchased an a 3.5 mm audio to RCA cable and tried switichin between both the HDMI ports but still it is not working. Any solution would be great. Thanks !!!

    Hi:
    While trying to help you, I was looking along the same lines as you were (I assume).
    I did a search by the IDT 92HD73E audio codec and all I could find were drivers for system boards with Intel processors such as the driver you tried unsuccessfully.
    I have finally found a W8.1 driver for that codec from a desktop PC with an AMD processor and chipset.
    See if this one works...
    http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=cp-134120-1&cc=us&dlc=en&lc=en...

  • Iphone 5 doesnt display contacts when connected to car

    My Car doesnt display my contacts in my phonebook when connected via blutooth to my car??

    What do you mean it does not display them?
    Are you saying that they "disappear" when the device is connected via Bluetooth to the car?
    Are you expecting them to automatically display on the screen when connected via Bluetooth?
    Are they not displaying in the address book visible/accessible in the car's Bluetooth system?

  • Should default gateway change when public IP chang...

    I understand that hub remains always as 192.   etc,
    but my question is when disconnecting from internet via Hub or powering down hub, thus getting new public Ip address -should the default gateway change as well?.  I always have a constant here?

    Thanks John,
    there may be some confusion - this is what I'm refreiing to - I may not have been clear, I do understnd that teh Hum i.e. 192.et,etc never changes  but under teh following settings on Home Hub manager this is what I see:
    network address changes
    Primary DNS changes & secondary........so should The default gateway in this box?
    TCP/IP settings
    Broadband network IP address
    81.xxxxxx
    Default gateway
    217.xx.xx.xxx
    Primary DNS
    213.xxxxx
    Secondary DNS
    213.1xxxxx

  • IPhone speaker volume changes when connected to apple tv

    If anyone has had this problem as well I would be interested but when I first got my iPhone 4S I realized it was loud. After disconnecting from the apple tv my max volume is lower. When I reconnect to the apple tv (by using it to play music from my phone) the my volume is louder again. Is this a bug or just my phone. Lol. And yes my volume is maxed out in both situations. It's almost like the speakers get boosted when connected to a different audio source.

    You would need to connect the speakers to the apple tv if that is where the video is playing.

  • Display problems when connecting MBP to LG 30FS4D HDTV

    Apologies if a similar post has been asked before. Most questions related to this are with LCD TVs.
    Problem description :
    1. I connected my MBP to my LG 30FS4D HDTV ( this is not an LCD ). Both handshake and I can see the output on my TV. MBP display the tv control panel. But the output is just like s-video...probably not as good as that either !
    How I connected it to the TV :
    2. miniDVI to DVI adapter ( $19 )
    3. HDMI ( $10 )
    What I have tried so far :
    4. I changed the resolutions on the MBP tv display from 720p to 1080i, also other resolutions....but none of them is good quality !
    Questions :
    5. What kind of output should I expect on my tv - I was expecting at least a DVD quality output...but it's no where close to that ?
    6. Do I need to get expensive HDMI cable for this ?
    7. Is my TV the culprit ?
    8. Should I try this on someone's LCD TV ?

    For anyone who's facing a similar issue :
    Some of these slim TVs switch off other audio input when you connect the HDMI cable ( HDMI is after all, audio and video ). But there is another audio input - the digital optical audio input. In order to get the sound, get a toslink cable ( with optical audio male at one end and a simple headphone male at the other end ) and connect it from your MBP to the TV optical audio input.
    http://www.selbyacoustics.com.au/storefrontprofiles/DeluxeSFItemDetail.aspx?sid= 1&sfid=74520&c=84109&i=242809043
    I bought mine on apple online :
    http://store.apple.com/us/product/TL955LL/A

  • IMac won't offer display mirroring option when connecting to HDTV with Thunderbolt to HDMI cable

    I have an iMac, and am trying to connect to my HDTV to use as a second display (mirror). I am using a cable with a Thunderbolt connector at one end, and an HDMI on the other. I know the cable works because I have used it with my MacBook on other TVs. When I use this on my MacBook, I simply open displays, and between the tabs marked "Display" and "Color" there is always an "Arrangement" tab to select. When I try this same setup on my iMac, the only two tabs I can see are "Display" and "Color" - the option to mirror disdplay (or recognize the HDTV in any way) simply doesn't exist.
    I would welcome any help. Thanks much, Doug.

    OK, yes your Mid 2011 has a Thunderbolt port.
    Reset > the System Management Controller
    1. Shut down the computer.
    2. Unplug the computer's power cord.
    3. Wait fifteen seconds.
    4. Attach the computer's power cord.
    5. Wait five seconds, then press the power button to turn on the computer.
    and the > NVRAM and PRAM
    1. Shut down the computer.
    2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
    3. Turn on the computer.
    4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
    5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
    6. Release the keys.
    Then try connecting the TV to the iMac.

  • Display problem when connecting laptop to TV via HDMI

    I have a Satellite L500-19X and when I connect the laptop to my Sony Bravia TV, the display is constantly choppy.
    I've tried changing the refresh rate but that hasn't helped. The HDMI cable shouldn't be the problem because it works fine with my Xbox. The problem is there during both duplicate display and extend display options.
    Anyone else experiencing the same problem and have found a fix?
    Thanks

    > The problem is there during both duplicate display and extend display options.
    And when you see desktop on TV only?

  • Can Imac display sleep when streaming to HDTV?

    I've got a 27" i7 quad core. I'm using a KANEX adapter to feed minidisplayport and USB audio to my HDTV via HDMI. Works great!
    Question: When running content from the iMAC to the HDTV for long periods (i.e. streaming movies and such), is there a way to make the iMAC display itself sleep or go black, since there is no reason for it to be on since I'm watching the TV screen?
    These new imacs tend to run hot anyway, so if I can turn off the imac display for hours when I'm watching it off the TV, that would seem a good idea, if possible.
    If it were a macbookpro, I'd just shut the cover, and that would do it, but...it's not.
    Thanks in advance for any input.
    Message was edited by: brvideo
    null

    If you use Front Row to view you multimedia content it should automatically put the iMac's display to sleep. Many other media apps do this as well. You might look for a preference to do this if it does not do it by default with the app that you are using.
    Dah•veed

  • Display issue when connecting VGA monitor

    I'm having an isue when my Macbook Pro 13 inch 2011 is connected to my LG monitor via VGA, after a while the monitor does not display the image properly I don't know how best to describe it but it is like when a satellite signal is blocky and scrabled. Sorry for the poor description. This occurs both when the Macbook is connected to a monitor with the lid shut so that the monitor is the main display and with the monitor mirroring. I've had a 2008 Macbook with the same set up and there are no issues, anybody know how to solve this?

    See if what the user did in this thread:
    External Display is pixelated                    
    helps clear up your problems. Your symptoms sound similar to his, and he was able to correct it with video settings.

  • Display flicker when connecting external monitor

    Hi all,
    Sad to say my first post is regarding a problem I'm having with my new (re-furbished) MBP 15". It's also my first MAC in years.
    Starting this past weekend, when I have my Dell 20" LCD hooked up via DVI to the MBP, the display on the MBP will start to flicker, go blurry, show colored lines, etc. Basically, it looks like any other laptop display when they start to go bad.
    So, I removed the monitor, ran the HW diagnostics, and found no problems. I ran the laptop by itself all day and had no problems.
    Last night I hooked it up again and the same thing happed. The connections are tight and the display on the Dell LCD is perfect. It's on the MBP that freaks out.
    Anyone have any suggestions??
    Thx.

    See if what the user did in this thread:
    External Display is pixelated                    
    helps clear up your problems. Your symptoms sound similar to his, and he was able to correct it with video settings.

  • Preventing screen resolution settings changing when connecting a beamer

    I do a lot of presentations and every time I connect a beamer (not my own, one that is in the hotel or conference room, so different models every time) my MBP screen settings go often haywire.
    My screen resolution on the MBP 15' (OS SL) is set at 1680x1050 (high resolution screen).
    As said it does not hold as soon as I connect a beamer and at times the setting is not even available any more, at other times all of a sudden I have dozens more settings, etc. This is of course, to say the least, annoying, and sometimes I spend 10 or more minutes to get my screen to behave in a workable fashion.
    Result is that my resolution on my screen become unworkable as (mostly) it defaults to real big resolution (and as such big script) that makes lots of items on the top bar 'invisible' (they fall of the screen).
    Is there any trick to prevent this from happening?
    Thanks.

    Thomas A Reed wrote:
    How is this remotely the same problem? The original poster is having resolution problems with projectors. You have an LCD tablet that isn't showing an image. This is thread hijacking, however much you don't want it to be. You need to go start your own topic for this.
    Excuse you, it's the same problem because my Cintiq has a problem taking in the screen resolution, which is why I'm not getting it to display properly. I explained it before, so if you can't read it, then that's your problem, and not mine. Even if you think it's a different problem, you don't have to be so rude to me. I'm not hijacking the thread, I'm just saying that I think it's a OS issue, and I don't see the point in making another one if I'm going to get a response along the lines of how there's already another thread that's similar.
    And now, I might add, you've officially completely derailed this conversation. Because instead of it being about the OP's problem, you've made it an attack on my character, which I consider an attempt to start drama. If you consider my post to be insignificant, then you could have just as easily ignored it. You've not only wasted my time for hoping someone would at least give me an answer, but you've wasted your own for hardly contributing to the conversation in a positive manner.
    Get off your high horse.
    Message was edited by: greasefarm
    Message was edited by: greasefarm

Maybe you are looking for