Only use the extern monitor??

Hee,
i have my macbook (black) connected to my HD tv with HDMI. Is it possible to use only the tv screen? so that the screen of my macbook goes to sleep?
thnx (H)

The only way to use the external display only is to use your MacBook with the lid closed (aka Closed ClamShell). Any other way (Mirrored or Extended) and you would be using both displays however you may turn down the brightness to lowest on your MacBook if you wish.
Does this answer your question?
Here's how to do Closed ClamShell: http://support.apple.com/kb/HT3131

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How to only use your external monitor.

I just recently bought a cable to connect, using thunderbolt, to my external display. I need to know how to make my screen only appear on my external display NOT my built-in Macbook Air screen. Does anyone know how to do this?

You might not be able to disable the internal display but you can place it logically out of the way and darken it.
System Preferences > Displays > Arrangement
Drag the menu bar to the external display.
Drag the image of the internal display down so it is not next to the external display.
Put all of your desktop icons on the external display.
Adjust the brightness on the internal display to full dark.
When you disconnect the external display, Mac OS X will rearrange your desktop onto the the internal display and vice versa.
Think you will find that is less functional than using the internal display as a logical extension of the external one with your most used windows on the external display and others on the internal display.
I assume you have a separate keyboard and mouse for the external display.

Can't use only the external monitor, leaving macbook open on Lion

HW
macbook pro 15-inch, Early 2011
external samsung monitor, attached using HDMI to Thunderbolth adaptor
Previous Situation
With Snow Leopard I was able to keep the macbook screen open but turned off and use only the external monitor. This way I was able to use the front camera to make conference having everything only in the external monitor.
Current Situation
With Lion as soon as I open the macbook monitor the image splits between the two monitors and I'm not able to set the extenal one as only one.

Support today quoted Apple's engineers as saying it is "expected behaviour" under Lion for the MBP's internal display to reactivate upon opening the lid, even if you want to use only your external display. A new version of the clamshell mode-related knowledgebase article (replacing HT3131) is due shortly confirming this.
This is despite:
- the obvious temperature-related benefits that were achievable (under Snow Leopard) by opening your MBP lid whilst continuing to output solely to, say, a 27" cinema display
- potential wifi connectivity benefits of having the lid open
- the waste of energy and inefficient use of graphics processing power in needlessly running two active screens (ie if running your MBP in clamshell mode would otherwise make it too hot and/or noisy or you need it open for wifi)
- the negative longer-term impact on the battery and other components from running the MBP any hotter than it needs to be.
To have any hope of getting the previous behaviour back, we need to lobby Apple to change how Lion handles clamshell mode. Options available to them include changing Lion's expected behaviour or adding a user-selectable option within System Preferences.
If you haven't already submitted feedback, please do so below. Now the situation has been clarified as intentional, user feedback has become all the more important.
http://www.apple.com/feedback/macosx.html

Can I use an external monitor/clamshell mode PERMANTENTLY?

What I'm trying to do is take my old TiBook 550 with its malfunctioning screen and busted hinges (grrrr) and effectively turn it into a low-budget version of a Mac Mini i.e. hook up a USB keyboard and LCD monitor to it and use it as if it were a desktop.
Now I have successfully attached the monitor and keyboard, turned on video mirroring etc. and it's all working fine. No problems with getting the thing to work. The only problem is I am having to keep the PB screen open slightly so that I can shut down and boot up for each session (for various reasons I don't want to leave it in sleep mode). Even though I bought a keyboard that has a USB power button on it, I am still unable to use it to boot up (I can shut down though).
As I understand it 'clamshell' mode only allows you to put the computer to sleep, so is there any way I can permanently tell the PB to ignore the on board LCD and only use the external display? My ultimate goal is to just have the PB sitting out of the way, lid closed (or lid removed??), whilst I use the keyboard and external display PLUS be able to shut down and reboot without having to prise open the screen, which is now quite damaged. Any ideas? TIA.
Powerbook G4 15 1.5Ghz Mac OS X (10.3.8)

Hi there,
I think you're right - Shutting down works via the keyboard but not Boot Up. It's weird because I'm sure I remember being able to do this once in the dim and distant past but maybe I'm wrong.
Anyway I've now hooked up my old laptop so that the screen is held ajar so I can reach the power button. After some research, I found out that the laptop should not be used with the screen closed for long periods anyway because of heat issues so this inelegant solution is probably the best in terms of keeping the temperature down.
Now what I need is some safe way of permanently disabling the display so that ONLY the external monitor works. If there was some way of doing that, at least I would not be wasting energy powering the original LCD. So far I have been able to disconnect the cable on the back of the screen that sends the 'data' to the LCD, but I've not yet been able to disable the back light.

T400- make the external monitor primary problem.

I use T400 and Acer p223w monitor.
From some reason I cannot make the external monitor to be the primary monitor.
Using the Presentation Doctor I have the option to define the external monitor as the primary but when I test it, it says that I have illegal parameters of color depth and resolution.
The problem is that the parameters I use are the parameters currently defined on the two monitors (which mean the monitors have no problem working that way).
Any other color depth resolution combination won’t solve the problem.
On the other hand using the same parameters if I configure the laptop monitor to be the primary everything works just fine.
Any idea what causing it and how to solve it will be highly appreciated.

Since I have a German Windows client I can only guess the wording on the english client, but try the following, which worked on my T500:
Bring up the mobility center by pressing Win+X
Click the button to connect an external monitor
Choose to use the external monitor as the only display
Now that the external monitor is the only display, it is also primary of course. Now you can use the normal windows display dialog (Right-Click on desktop -> Configure -> Display) to extend the desktop to the internal display which will be secondary then
done
In my case windows remembers this configuration and you do not have to do these steps again after reboot or when you reconnect the external monitor.
Hope this helps for the T400, too.
Message Edited by pfahsel on 03-18-2009 02:18 AM

My MBP recently started logging itself out. I narrowed the problem to the external monitor which is connected with a Thunderbolt adapter. When I disconnected it, the problem went away.

My early 2011 MBP laptop (OS Yosemite 10.2.2) recently started logging itself out. I narrowed the problem to the external monitor which is connected with a Thunderbolt adapter. I installed Thunderbolt firmware update 1.2, that did not correct the problem. When I disconnect the external monitor, the problem went away. Is there something I can do to be able to use the external monitor again?

Try Function F1

Using only the external monitor in Snow Leopard?

Greetings,
I primarily use an external monitor with my macbook (latest gen.) Is there an easier way turn off the laptop screen when connected to an external screen (e.g. a key combination that will turn off the laptop screen to switch to external screen-only mode)?
My current song-and-dance involves:
- turn on laptop (with mains power connected)
- close lid
- hit a key in my external keyboard
- open lid again to facilitate ventilation
I was hoping snow leopard would have finally addressed this pain with a simply key combo?! This is one thing that is easy in the PC world
Thas

If you have an external monitor, keyboard, and mouse connected, it will shut off the main screen when you close the lid. If you open the lid, it will turn the display back on.

I've got a MacBook pro 15' running 10.6.6. I want to use an external monitor for my graphic design work running Adobe software and thought I'd try an HD TV. I ran a Mini Display to HDMI lead to the TV but the picture quality was disappointing.

I've got a MacBook Pro 15' running 10.6.6. I want to use an external monitor for my graphic design work using Adobe software and thought I'd try an HD TV. I ran a Mini Display to HDMI lead to the TV but the picture quality was disappointing. I also tried a Mini Display to VGA lead and that wasn't much better. I tried all variations of resolutions in System prefs - Displays but nothing helped. Am I getting something wrong? Thanks all.

In addition to pixel density, you are up against the translation driver card in the TV.
If you read the fine print of computer-resolution-capability in the TV user guide, you will see a chart as tall as the manual page. At the top is the smallest resolution capable, at the bottom is the full use of the 1080p in the TV.
Mac falls into the top 25% of the page, maxing out at 1366x768 often. This is because the TV control card is expected to do too much of the work, but is not designed for computer-monitor processing.
I looked at the resolution charts on 2 TVs before deciding to buy a 1080p LCD monitor that has a TV interface/connector. Computer monitor first, TV second. But the thing is only 27 in. Good thing TV is not as important to me as it is to others.

I have a PowerBook G4 with a non-functioning monitor. It used to work with an external monitor, but I reinstalled the OS, which cleared the display preferences and now when I restart it won't detect the external monitor. How do I fix?

I have a PowerBook G4 with a non-functioning monitor. It used to work with an external monitor, but I reinstalled the OS, which cleared the display preferences and now when I restart it won't detect the external monitor. This means I can't use the computer anymore. How do I fix? I tried using the Command+F2 keyboard shortcut, but it doesnt' work. It's possible that since I reinstalled the OS, it still needs to be set up, so there's only a welcome screen (but since I can't see it I'm not sure).

There is no limit to the number of times you can re-install Office on the same computer.
You can activate by telephone:
The last paragraph is the relevant bit

Using Mac OS on multiple monitor is great, but after removing external monitor (2nd monitor) usually windows position originally on the external monitor doesn't get re-positioned to default monitor. Is there any shortcut key or utilities that can reset wi

Using Mac OS on multiple monitor is great, but after removing external monitor (2nd monitor) usually windows position originally on the external monitor doesn't get re-positioned to default monitor. Is there any shortcut key or utilities that can reset wi

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Why is it that when I plug my Macbook Pro to an external monitor, the external monitor turns black and shows the mouse only

Why is it that when I plug my Macbook Pro to an external monitor, the external monitor turns black and shows the mouse only

Hi, yes preferences sees there is a second display it recognises what make of monitor it is etc but I just get a blank blue screen on the monitor when I change it to the hdmi setting! I have tried with mirroring on and off, rearranging the displays in the preference window and lots of different resolution settings but with no difference.
An old MacBook connects fine so the monitor and hdmi port must be okay. I'm sure we have used the cable before but it could have been with the previous MacBook Air. The current one I'm using is a mid 2011 version running lion and is (according to software update) all up to date.
Any thoughts or help would be appreciated!

Stop the iMac screen while using an external monitor.

I succeeded to play an .avi file in full screen on my 32" samsung lcd...but i would like to stop the iMac monitor while watching the avi. If i choose to stop the iMac monitor also the tv screen became black, and also if i start a screensaver on the iMac this will also appear on the lcd tv evenif i set up the external monitor as an extension of the desktop and not as a duplicate. There's a solution?
Tnx for the answers and sorry for my poor english

That one as well will dim both displays.
I have played around with this off and on for over a year now. The best that I have come up with is in this [Apple Discussion Thread|http://discussions.apple.com/message.jspa?messageID=5587803#5587803]
Sense then I have also found a way to dim the menu bar, but it was a little buggy to use all the time called [MenuShade|http://macapper.com/2007/10/17/menushade-dim-your-menu-bar>
Simply hide everything on the desktop as best you can and use a black desktop or photo image.
Dennis

Using an external monitor with the computer closed and using a bluetooth ke

Can you use a bluetooth keyboard and mouse with the computer closed and using an external monitor?

Yea i do this all the time on my big screen I just go in to system preferences and bluetooth and tell it to allow devices to wake the computer and then close the desplay then wake it with mouse or keyboard.

Can macbookpro be used with the lid closed while using multiple external monitors

I want to use macbook pro with external monitors and be able to close the lid on the laptop, but can't figure out how to make that works with multiple monitors. I currently use two external monitors with the laptop monitor as my third. All are independent monitors and I accomplish this using the matrox diamond bvu-195 product (one for each external monitor). Now I would like to add a third external monitor and be able to close the laptop lid - kind of like you would do with a docking station for a Windows laptop. Anyone have any suggestions as to how to accomplish this?

Connecting your present two external displays via USB has left your MBP's Mini-DisplayPort available for a third. Depending on the monitor's available inputs, buy a mini-Displayport-to-VGA, MDP-to-DVI, or MDP-to-HDMI adapter and the appropriate cable to make the connection. I would expect that adding a third monitor to your GPU's workload might cause your already slow USB-connected monitors to slow down farther, but you'll have to see whether that's true and, if so, how tolerable it is in your work.
As for what will happen when you close the built-in display, I suspect that what happens if you do that now will continue to happen if you do it with a third monitor connected. If you can now close the display and run the machine in closed-clamshell mode, I expect you'll still be able to do so after adding the third external screen.

Can I use an external monitor as an extension to my workspace

Could anyone please tell me if I can use an external monitor such as an apple 20” or 30” display as an extension to my workspace. I am using an apple 17”1.5 power book & I would like to drag & drop[p photos etc. from one monitor to another etc.
17"powerbook 1.5 Mac OS X (10.4.6)

yes, when you connect an external display you can either mirror the laptop display, or have it act as an extended desktop
this needs the mac to support extended desktop rather than just mirroring, for instance i think ibooks can only mirror but powerbooks can do both

Only use the extern monitor??

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