G4 Extended Desktop via 'dual display'

My G4 has two outputs from the Nvidia Card, a standard vga and the
'rounded edge' style AppleDisplay output. Two part question here:
1) may I simply use an appledisplay connector-to-vga converter dongle,
in order to send through that second output to a standard vga (non apple)
monitor?
2) Would using these outputs simultaniously render the 'extended desktop',
or are they just a duplicate of the same output?
Thank you kindly for any info on this.

It depends on which NVIDIA card you have. Anything older then the GeForce4 MX won't run two VGA displays. The GeForce2 MX TwinView can run two displays, but the ADC to VGA adapter won't work with this card, so only one can be VGA.
If your card does support dual displays, you can choose mirrored or extended desktop in the "Arrangement" tab of "Displays" system preference.

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Dual DVI Displays (extended desktop) via 1 HDMI Port ?

Hi, I have a late 2013 MacBook Pro w/Retina Display 15” Quad Core 2.6Ghz i7 with 16Gb ram.
Running the latest OS (10.10.3) and all latest updates, etc..
I have 2 23” Apple Cinema Displays which are DVI. I would like them to be used as “Extended Desktop” style on this computer.
I understand this is possible via the Thunderbolt ports (correct?), but would ideally like them to come out the HDMI port (and work like “Extended Desktop”).
This is because I will have the bandwidth of my Thunderbolt bus maxed out. And would hate for the video to slow anything down as I will have many drives and interfaces on the TB ports that need the data.
I am not looking to mirror the displays, but want “Extended Desktop”. I am hoping the 1 HDMI port can support that somehow, maybe with adapters ?
Any input would be greatly appreciated as far as my options.
Thanks !

This thread can be deleted, as I am not getting enough response here, so I posted in another forum.
Thanks -

Extended Desktop via 1 HDMI possible ?

Hi, I have a late 2013 MacBook Pro w/Retina Display 15” Quad Core 2.6Ghz i7 with 16Gb ram.
Running the latest OS (10.10.3) and all latest updates, etc..
I have 2 23” Apple Cinema Displays which are DVI. I would like them to be used as “Extended Desktop” style on this computer.
I understand this is possible via the Thunderbolt ports (correct?), but would ideally like them to come out the HDMI port (and work like “Extended Desktop”).
This is because I will have the bandwidth of my Thunderbolt bus maxed out. And would hate for the video to slow anything down as I will have many drives and interfaces on the TB ports that need the data.
I am not looking to mirror the displays, but want “Extended Desktop”. I am hoping the 1 HDMI port can support that somehow, maybe with adapters ?
Any input would be greatly appreciated as far as my options.
Thanks !

This thread can be deleted, as I am not getting enough response here, so I posted in another forum.
Thanks -

Extended Desktop on 2 displays using Elgato Thunderbolt dock on late 2012 Mac Mini

Hi,
I have a late 2012 i5 Mac Mini with 8GB RAM currently I am running two displays on it using a thunderbolt to HDMI cable for one and a HDMI to HDMI cable for the other. I use both screens as an extended desktop (i.e. not in mirror mode).
I'm thinking of buying the Elgato Thunderbolt Dock to add additional connectivity, but can I still continue to use two displays for an extended desktop?
I understand the HDMI connector on the dock supercedes any Thunderbolt to HDMI on the dock thereby only allowing one screen to be run from the dock. However, can I still use the HDMI connector on the Mac Mini whilst using the HDMI output on the dock.
Sorry the above seems a bit of a long winded question but grateful for any answers/solutions rather than buying and finding out it wont work.

I don't have one to test, but it should work as advertised.
Check the reviews at > https://www.elgato.com/en/thunderbolt/thunderbolt-dock
If for some reason it didn't work using the Dock's HDMI output or using your current Thunderbolt to HDMI adapter in one of the Thunderbolt ports. You can always stop payment and send it back.

ITunes breaks Airplay extend desktop via Apple TV

Hi there, using my MPBr 15in with Yosemite installed and an Apple TV.
I have been watching photoshop tutorials in an iTunes playlist via extended desktop (Video played on extended desktop on TV, I'm following along with Photoshop on my mac).
I had put my mac on charge and did some things for a while, came back and went to continue my tutorials. But for some unknown reason when I select play in iTunes, instead of just playing on the extended desktop like it was earlier, iTunes quits the extended mode, 'sends' the video to the Apple TV which is a bit of a bumpier process then I'd like. Not to mention it needs to 'buffer' the video each time the next one is played. The worst issue is that the video is zoomed in too far, meaning I cannot see the photoshop tools or the menus along the top and no way to change it (it seems at least). I could forgo the Airplay streaming if it didn't have that issue.
No Apple account is signed in to the Apple TV.
I have tried changing a couple settings in Apple TV (including overscan settings on/off) to no avail. Also changed iTunes setting of Airplay that appears next to the volume slider. No matter what I try when I play the video, extended desktop mode turns off and iTunes streams just the video to Apple TV, also meaning I have to completely disconnect from Apple TV and reconnect again.
So my question is, how do I force iTunes to not use Airplay streaming when I have specifically configured the computer to extend the desktop? I want to extend the desktop!! Using the multiple desktop feature is useful!
Why does it assume I want to stream it independently rather than keep the second desktop?
Why has it done it now, instead of before? I never pressed anything that I know of. It just decided to do it.
If for whatever reason there is no way to turn this auto configuration off, how do I stream the video so it does not cut off the edges?
Thanks in advance. If I figure it out I'll be sure to post what I found here.

Troubleshoot the network, starting with power cycling the ATV and router.

Mac extended desktop mirroring needing to 'split' the sound

The setup is that I am using my iMac in one room (the study), and I am using airplay to extend the desktop so that my apple TV in the living room is used to play a movie for my parents to watch.
The sound and video transfers just fine to the apple TV on 'desktop 2', but I was wanting to be able to play a seperate video on my imac, in the study. I can't seperate the sound. Even though the video is on 'desktop 1' on my iMac any video's sound on either screen will be played through the TV speakers as my System preferences only allow me to select 'iMac' or 'apple TV'
Is there any way to 'split' the sound?

""Extended Desktop" and "Dual Display" mean the
same thing..."
Actually, they don't. "Dual Display" simply means
that the computer can support two displays. "Extended
Desktop" and "Desktop Mirroring" refer to the
different modes in which the two displays can be
used. "Extended Desktop" uses both screens as one
large continuous desktop while "Mirroring" displays
the same desktop image on both screens.
O.K. I'm confused.
Can the Macbook display extended desktop (one giant desktop with half on the laptop and half on an external monitor) or is it limited to just mirroring the same desktop on both displays?
Thanks,
Mac OS X (10.4.5)

Airplay display issues: "extend desktop" not working properly. Secondary display continues to mirror.

Whenever I turn my airplay display on and set it to "extend desktop," my secondary display (TV) continues mirroring my mac book pro (hereinafter MBP). It doesn't fully mirror my MBP, but my secondary display registers every time I switch between my desktop 1 and my full screen apps. Moreover, When I do switch to a fullscreen app on my MBP, I get a blank (blue-ish) screen on my TV.
Any solutions!?!
Additionally, "extended desktop" for my Airplay display worked properly when Mavericks was first released.

Try this:
Click on the Apple TV Icon on the top toolbar
Then, select "Mirror Built in Display" instead of extend desktop
In the same menu under "Match Desktop size to:" select "Apple TV" (or keep it on "built in display if that works"
This solved a similar problem for me.

Flash full Screen with extended desktop

I'm running vista but this has happened to me in XP as well.
I have two monitors one of them is configured to be an extended
desktop. I view a standard flash video such as one at
thedailyshow.com and click to view in full screen. I want the full
screen on the extended desktop but it displays in my primary
monitor.
How do I fix this?

lame.. but how come its not the same in all cases. if I view
the flash video on nbc.com that will full screen in the extended
desktop, as will youtube
whats the difference in implementation?

Extended desktop = slow startup

Hi, Im using IMac mid 2011, extended desktop via VGA converter (Apple product).
About an years ago (Maybe it was a time when I started use extended desktop via VGA converter), my IMac starting to slowdown on startup, here is the symptom s:
1. Click the Power button.
2. Startup choir. (Boeeiiiing!)
3. No screen reaction. (Black screen)
4. 30sec of wait. (Sometimes, 5min)
5. Screen on. (White with Apple logo)
6. Oh god Finally!
I thought this was caused by bootcamp till now, but now I think it was a simply caused by this VGA converter.
Before I push a power button, I removed this VGA converter. Then the screen immediately turn on (going white with the apple logo) with startup choir (Boeeeiiiing). Then again startup with VGA converter connected, the symptom I mentioned above starts again.
Is there any solution for a fast startup rather than disconnect the VGA converter everytime before turn on IMac?

Reset the SMC and PRAM 2-3 times back to back. Then re-start normally and test. If that does not help then try a different connection such as HDMI, it's possible the connection and/or cables are going bad to the VGA connection.

Mac Mini (mid-2011) dual display with extended desktop

Can Mac Mini (mid-2011) dual display different picture on HDMI TV and DVI monitor. I can only get it to mirror and not display different programs or extended desktop. Can i "extend" instead of "mirror"? and how

Hi David it should...
Display Support:
Dual Displays
Resolution Support:
1920x1200*
Details:
*This model simultaneously supports 1920x1200 on an HDMI display or a DVI display using the included HDMI-to-DVI adapter and 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port).
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600*
Details:
*This model simultaneously supports 1920x1200 on an HDMI or a DVI display (using the included HDMI-to-DVI adapter) and 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port).
Are you using splitter maybe?

Dual Display, 2 Monitors - Extended Desktop

Hello Everyone:
There isn't a clear cut answer or solution in connected a Macbook Air to 2 external monitors in an attempt to create an extended desktop. I have read older posts that it's either doable or not doable. My questions are the following:
-Is it possible to connect a new Macbook Air to 2 external monitors for extended desktop purposes?
-Some users have reported lag issues (mouse dragging , delays, etc.). Will this happen for sure with a Macbook Air or is it a monitor issue?
-What's the best non-Apple monitor brand that would work best with a Macbook Air for dual display purposes? I've read that Dells have a problem in this regard.
-What would be the advantage or disadvantage of using a dock station in setting up a dual display environment? Would this add to the lag, latency factor?
I'm thinking of investing in a new Macbook Air, but I want to make sure I dont end up with silly issues - such as latency, monitors, etc.
Thank you for all your help and advise.
Best,
G.

Yes, extended desktop works with monitors set to differant resoultions. the Monitors pref pane allows you to select relative arrangements and rez of all monitors composing the extended desktop.
personally I run a dell CRT at 2304 X 1728 @ 60Hz along with an NEC 6FG a 2048 X 1280 @ 60Hz off a radeon 9800pro on an MDD.

Can I use dual 24" displays as an extended desktop with my MacBook?

I have a 2.4 GHz MacBook I purchased this summer. I was considering using it for my desktop needs, but I need to have a two-monitor extended desktop. I don't particularly care for the thought of using the notebook's monitor in addition to the 24" display. I'd rather have dual 24" displays, but in talking with the "chat" line on the store website, they said this is impossible to have an extended desktop this way. I'm stubborn and can't help but think that is not impossible with the appropriate work-around.
Suggestions? Thoughts?
Thanks so much.

The only option for dual external displays on a Mac laptop is the Matrox DualHead2Go. But with a MacBook, you could only get a maximum of 1024x768 on the two montors, a completely waste of a 24" monitor IMO.

Dual displays ("extended desktop") on the iBook

This is in response to a previous query that was strangely archived despite the original poster receiving no definitive answer.
The iBook G4 (and various other iBooks) does not support "spanning" dual displays (I believe Apple calls this feature "extended desktop") with Leopard. Evidence of this is the missing "Arrangement" tab in the Display system preference pane.
The Tiger version of Spanning Screen Doctor (http://www.rutemoeller.com/mp/ibook/ibook_e.html) does, indeed, work correctly on an iBook G4 running 10.5.4. After rebooting, the "Arrangement" tab will now appear in the Display pane.
Hopefully this saves some iBook users some time and effort in resolving this issue.
--Brian

Thank you for yor help.
I have one more question to ask? If I use the LCD TV like Sony or Samsung with the New i-Mac will I loose deskspace on the LCD TV due to the low resolution on the LCD TV? I thought the LCD TV was a good idea since it has all the input for all my DVD player, TV box?, Nintendo, and the VHS?, but I was told that LCD TV might not be too compatible for use with a computer.
How do I put all my stuff on a Apple 23" LCD display I only can find adapters that can only take one peripheral at a time, and I don't want to re plug a TV box each time I want to watch TV. It looks like I need a box for use with Apple display with 3~4 input and S video, and HDMI input for the HD stuff?
Again thank you for all your help.
12" PowerBook G4 1.5 Mac OS X (10.4.4)

Need to get rid of flicker in between image displays--the PC in which LabVIEW 8.2 is installed is routing images via LaVIEW code & 'extended desktop' to typical visual projector and between each image display is a flicker--that we need to remove

Need to get rid of flicker in between image displays--the PC on which LabVIEW 8.2 is installed is routing images via LabVIEW code & 'extended desktop' to a typical visual projector and between each image display is a flicker--that we need to remove
Attachments:
Get JPEG Files in the folder.vi ‏13 KB
Display image on the screen.vi ‏34 KB
Create image file path.vi ‏12 KB

In response to below------Thank you Lynn-----Yes, there is a main panel--I will attach----and if you have any further suggestions please let me know--Thanks again
How are you running this program? Is there a top level vi which calls the ones you posted? The Display image on screen.vi will display two images in succession, but according to the note on the block diagram the second image is blank. It seems as though this would intentionally create a flicker.
The sequence structure is unnecessary. Dataflow will determine the order of execution. The only exception is the time delay in the third frame. Since it has no data dependency, a single frame sequence may be useful to assure that the delay occurs before the picture is updated. A simple state machine might be a more versatile architecture for what you may be trying to do.
It is not necessary to write the FR.PanelBounds property immediately after reading it, nor is it necessary to read it a second time in the second frame. Just wire from the first read.
Lynn
Attachments:
Main Front Panel with Rendv Final Nov 6 with pause.vi ‏755 KB

Princeton dual display extended desktop

This is my first apple...I have the G5 quad and I hooked up my two Princeton LCD17 monitors, with the adapters. They both have the apple background screen, but only the right monitor has cursor function, the left is just the blue background w/the info screen on the resolution. I've played around with the resolutions...but to no avail. Are the princeton's compatible for extended desktop? Thanks.

Good evening!
Maybe I can help. Maybe I can't. But I'll try.
I have a Princeton 19" VL193 lcd here, and a 15" LG 566LM lcd.
When I turn my system on, it automatically goes into extended mode, giving me my normal 19" view with background and menu's and dock.
The 15" shows a blank screen. So I went into the SYSTEM PREFERENCES under the APPLE menu. In there, go into DISPLAY. Each screen should show it's own resolution settings. I can set each screen's resolution and refresh rate, as well as colors, independently of each other.
On the MAIN screen, there is the option to "mirror" the screens, and then they will show identical images etc.
That's what you SHOULD see.
If now, there is the option to "DETECT DISPLAYS" on the DISPLAY screen.
So they can run seperate backgrounds / wallpapers, or identical.
Let me know if this helps at all.
PowerMac Quad G5 Mac OS X (10.4.5) GeForce 6600 256MB, 250GB Maxtor, 300GB Western Digital, 19" Princeton LCD

G4 Extended Desktop via 'dual display'

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