Why is my mouse slow when I connect my MacBook Pro to a HDTV?

When I connect our MacBook Pro to our HDTVs, the mouse and cursor lag. Is this a problem because we are using the VGA connector? Should we be using HDMI?

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  • HT1338 When I connect my Macbook Pro to my Dell DLP projector, either via cable or wirelessly, I just see a dark screen with the mouse and mouse trails only, can any one help?

    When I connect my Macbook Pro to my Dell DLP projector, either via cable or wirelessly, I just see a dark screen with the mouse and mouse trails only, can any one help?

    jpmarkques post is a good start point, after folling his directions, you can try detect displays. Also try different rsolution and refresh rates.
    Most of the projectors I have used support a 1024X768 res.
    Youcan also try a pram reset if it still does not detect.
    Leave theproctor connected and powered up, power down the MBP.
    Power back up the MBP and hold the following keys before you hear the start up chime:
    Option, command, P,R (no commas) continue to hold these keys till you hear the start up chime 2 times.

  • No sound when I connect my Macbook pro (2012) to TV via HDMI!

    Hi! I have a problem with the sound when I connect my Macbook pro (bought in 2012) to a Phillips HD TV. The strange thing is that it only happens with some videos (specially youtube videos) but the sound works perfectly with films and audio files I have in my computer, and also when I watch TV online (Eurosport player for instance and other similar applications). It's even stranger because it doesn't happen all the time; last week I tried many times to watch some youtube videos and after unplugging the HDMI cable it seemed to work. As I said, with Eurosport player and many films downloaded in my macbook I don't have this problem (sound is ok all the time), and this is why I'm really confused. I suppose it's not a connection problem, otherwise I wouldn't have sound in any video, right? I've tried two different HDMI's cables but nothing has changed. Please, someone help me, as I can't figure out what's happening. Thank you very much!

    Well Im not sure what the fix is for your problem, but can you please open up the sound preference next time you connect the philips tv, and make sure that sound output is set to hdmi out. Then try and play your video's etc and see if they are affected. 
    I can tell you I get a similar problem when, for example, I have a youtube window open and then connect the external display. The youtube video will not sound out through the cable, however if i refresh the window it works. Also the same when I use bluray player on mac, I have to close it and open it again for the sound to output through the external monitor.

  • HT5219 When I connect my MacBook Pro to a TV (Thunderbolt to HDMI) no display is recognized and I am unable to mirror.  I have a 2.9 GHz Intel Core i7 with 8GB 1600 MHz DDR3 running OSX v 10.8.3.

    When I connect my MacBook Pro to a TV (Thunderbolt to HDMI) no display is recognized and I am unable to mirror.  I have a 2.9 GHz Intel Core i7 with 8GB 1600 MHz DDR3 running OSX v 10.8.3.

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  • I can only see pink fuzz when I connect my Macbook Pro to my TV.

    Hello.  I am using a MacBook Pro (13-inch, Mid 2012) with a 2.5 GHz Intel Core i5 processor, on 8 GB 1600 MHz DDR3 and with 500GB of storage.  It's installed with OS Yosemite and I have it connected to my Philips 50/60 Hz, 74W TV via a VGA to component video cable and a thunderbolt adapter.  All I get on the screen in fuzzy magenta and black flickering.  Why is this, and is there anything I can do about it?
    Cheers.

    Thanks, Brenden.  I have looked at that page; the fist time it went over my head!  I've read it a second time and is it true that you can't attach an adapter (thunderbolt to VGA) to another (VGA to RCA)?
    This is a picture from the internet of a TV just like ours.  It's a flat screen CRT television.

  • Slow, Sluggish internet connection on Macbook Pro

    Just recently switched out my wireless router from a Dlink DI-524 to a Airport express and now my internet connection is ridiculously slow.
    I go to a page and it sits for 5-20 seconds before the page begins to appear.
    I have a macbook in the house as well and it does not share the same issue. Surfing is extremely fast on the macbook but for some reason on the macbook pro, it is sluggish lagging and simply annoying. Any thoughts....

    Hello stewartc. Welcome to the Apple Discussions!
    Does you MacBook Pro have this problem with other wireless networks or just yours? If all, then let's take a look at the AirPort settings on your MBP...
    System Preferences > Network > Show > Network Port Configurations
    o Verify that an AirPort option exists. If it does not, click "New" to create one.
    o Verify that AirPort is "On" (checked)
    o Verify that AirPort is at the top of the list. If it isn't, you can drag it to the top.
    Systems Preferences > Network > Show > AirPort
    AirPort tab
    o By default, join: Automatic
    TCP/IP tab
    o Configure IPv4: Using DHCP
    o Configure IPv6: Automatically (Note: You may also want to try the "Off" setting as some Posters in this Discussions thread noted problems with this being enabled.)
    Proxies tab
    o Configure Proxies: Manually
    o Select a proxy server to configure: <All proxies should be unchecked unless you specifically require a proxy for Internet access.>
    o Exclude simple hostnames (unchecked)
    o Bypass proxy settings for these Hosts & Domains: <leave blank>
    o Use Passive FTP Mode (PASV) (checked)
    Also, take a look to see if you have DNS server IP addresses listed in your AirPort configuration.

  • What is needed to make the right connection from MacBook Pro to Samsung HDTV 1080p??

    Using macbook pro  w/Mtn Lion O/S to connect to Samsung LED ultra thin flat screen TV with DVI/HDMI cable to DMI input on TV.  This connection works only for screen saver photos and not much else- no audio and no video and no mac screen output. 

    Using macbook pro  w/Mtn Lion O/S to connect to Samsung LED ultra thin flat screen TV with DVI/HDMI cable to DMI input on TV.  This connection works only for screen saver photos and not much else- no audio and no video and no mac screen output. 

  • Why do purple lines appear when I connect my macbook to my Dell U2412M moniter?

    So I got my Thunderbolt to HDMI cable today and I tried plugging it in. The display comes up clear and then slowly degrades with more and more horizontal purple lines. I've never seen anything like it. The display is basically useless within 30 seconds. I tried rebooting my Macbook, restarted my monitor, I tried the adapter with a couple of other monitors and TVs and it worked fine. I tried my monitor with another macbook and my xbox but the HDMI worked. I have no idea what to do anymore.
    Macbook Pro 13.3 in Mid 2012 Core i5 8 gigs RAM Samsung 840 EVO 250gb SSD and Mavricks 10.9.4

    Hi Jake,
    It's impossible to know without troubleshooting, but it sure sounds like a bad adapter or cable.

  • Text comes blurry when i connect my macbook pro to bush 42" 3dtv (Hdmi)

    anyone has any ideas how to fix it? i tried setting the tv to a few different modes but still no luck.
    i am connecting using that superport converter to an hdmi cable. i can get sound, videos and movies comes good, but text are really bad.

    Hello Flash46,
    It sounds like you are unable to use your TV as an external monitor over HDMI due to some unexpected behaviour. I would use these troubleshooting from the following article to help troubleshoot this issue:
    Confirm display adapters are fully seated in their respective connections and that they are supported models and for the computer and display. Refer to these articles to assist you with adapter compatibility and further configuration information:
    Monitor and Display Adapter Table
    About Mini DisplayPort to HDMI adapters
    Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)
    Thunderbolt ports and displays: Frequently asked questions (FAQ)
    Remove all display cable extenders, KVM switches, or other like devices and retest to determine if the issue is resolved.
    Try unplugging the video adapter or cable and then plug it back in.
    If more than one video adapter is in use (or "daisy-chained"), troubleshoot by using only one adapter.
    Example: A mini DisplayPort to DVI adapter connected to a DVI to HDMI adapter is an unsupported configuration because there is a series of adapters in use.
    If available, try using a different display and or adapter (or use a different connector by using DVI instead of VGA, for instance).
    Reset the system
    You can reset the Mac's parameter RAM and SMC.Reset the resolutionStart by resetting the Mac's parameter RAM. If the display does not come up, was previously set to an unsupported resolution, and still results in no video:
    Start up in Safe Mode.
    From the Apple () menu, choose System Preferences.
    Choose Displays from the View menu to open the preferences pane.
    Select any resolution and refresh rate that your display supports.
    Restart your computer.
    From: Apple computers: Troubleshooting issues with video on internal or external           displays
              http://support.apple.com/kb/ht1573
    Thank you for using Apple Support Communities.
    All the very best,
    Sterling

  • HT1151 when I connect my macbook pro to a dell projector I find the images are not clear during powerpoint presentation. Can anyone make suggestion to improve this. all the writing is very clear

    I have a macbook pro which I purchased last november. It works perfect except the images I have in powerpoint do not get displayed clearly.

    What is the model identifier for the MacBook Pro?  Do NOT give us the serial number.

  • I'm trying to connect my macbook pro to my HDTV using a HDMI cable

    At first it was working fine but all of the sudden it stop working properly a blue scream appears on the tv couple seconds later same happens to the mac and it stop unspectively..

    When plugging in an external display to your mac you will notice that both displays flash the blue screen for a couple seconds. Same thing happens when you unplug the external display, your macbook will flash the same blue screen. Try turning screen mirroing on and adjusting the resolutions.

  • I have a problem when i am connecting my mbpr to a monitor , the internet is going very slow when i connect to the monitor plz help me if i buy a vga to minidisplay it will help??

    i have a problem when i am connecting my mbpr to a monitor , the internet is going very slow when i connect to the monitor plz help me if i buy a vga to minidisplay it will help??

    dovdov2,
    are you saying that when you connect your MacBook Pro to a monitor, your Internet connection slows down, but when you disconnect the monitor, it speeds up again, and that this is reproducible from one day to another?
    Does this happen both under OS X and under Windows 7, or only under one of them?
    How are you currently connecting your MacBook Pro to your monitor?

  • How to connect my macbook pro to LDC television

    I have a macbook pro 13-inch, mid 2012 model.
    I have an LCD television of 32 inch from panasonic (TH-L32C8K).
    My TV does not have hdmi port but have vga and AV ports.
    To connect to Macbook I bought an thunderbolt to hdmi cable. Then I bought an hdmi to vga cable. So my final arrangement is like this
    Macbook<-->thunderbolt-to-hdmi-cable<-->hdmi-to-vga-cable<-->Television
    On the television i changed to AV mode to PC. But nothing is shown on the tv screen. My TV works with other thing. When i connect the macbook pro, it does not show anything. Can you guys suggest whats going wrong? Before buying this macbook, i was like dreaming about it. But now life became so hard using the mac. Everything is pricy and not compatible to outside world devices.

    surjya1 wrote:
    Macbook<-->thunderbolt-to-hdmi-cable<-->hdmi-to-vga-cable<-->Television
    That's a complete mess and I am not suprised that it is not working.
    Instead of getting two adapters, you could just get a Mini DisplayPort to VGA adapter and a simple VGA cable, so you can be sure it will work. Maybe you should have looked for more information before purchasing anything.

  • Problems connecting my macbook pro to my samsung led Tv

    Hi. I try to present some pictures and videos by connecting my macbook pro to my samsung led Tv but my mac doesn't recognize the Tv (or it could be that my TV doesn't recognize the mac). What should I do?

    I have problems too with some projectors and the DVI--VGA adapter that came with my MBP. The projector is recognized by the computer, but does not show any signal.
    With the help of Stéphane Madrau, who has written the excellent tool SwitchResX, I found out that the projector reports that it takes digital input when I connect the MacBook Pro, but analog when I connect it to my 12" PBG4. From the DDC information (collected with SwitchResX):
    MacBook Pro, DVI--VGA:
    Input signal & sync:
    Digital
    PBG4, miniDVI--VGA:
    Input signal & sync:
    Analog input with: 0.700V / 0.300V
    Separate Sync
    Composite Sync
    Given that the VGA cable is analog only, I would think that the MBP tries (or rather, does) output digital signals only, which don't make it into the VGA cable. If I find a solution I will post it here.
    The clue was that the computer did not report any vertical scan frequencies for the external display, while it did so for a projector that worked.

  • Problems connecting my  MacBook Pro to a video projector

    I have a MacBook Pro. I have used it many times to connect to a video projector and give presentations in my classroom. Lately, it is hit or miss concerning whether the laptop will give a signal to the computer. I can't figure out what I am doing wrong. I have followed the instructions in the MacBook guide.(Start with projector and laptop off, connect, turn on, etc. )
    I am using the DVI to VGA adapter. I have also tried to use the function keys and manually tried to get it to detect displays. Can't think of what to do next. I gave up and hooked up a Windows computer and it worked.
    Could it be the adapter? Does anyone have any ideas I can try? Thanks!

    I have problems too with some projectors and the DVI--VGA adapter that came with my MBP. The projector is recognized by the computer, but does not show any signal.
    With the help of Stéphane Madrau, who has written the excellent tool SwitchResX, I found out that the projector reports that it takes digital input when I connect the MacBook Pro, but analog when I connect it to my 12" PBG4. From the DDC information (collected with SwitchResX):
    MacBook Pro, DVI--VGA:
    Input signal & sync:
    Digital
    PBG4, miniDVI--VGA:
    Input signal & sync:
    Analog input with: 0.700V / 0.300V
    Separate Sync
    Composite Sync
    Given that the VGA cable is analog only, I would think that the MBP tries (or rather, does) output digital signals only, which don't make it into the VGA cable. If I find a solution I will post it here.
    The clue was that the computer did not report any vertical scan frequencies for the external display, while it did so for a projector that worked.

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