3 external monitors on W540 only connected to Ultra Dock

According to this document (http://download.lenovo.com/pccbbs/options/tp_ultra_dock_sp40a02135.pdf) it should be possible to attach 3 (three) external monitors/displays to a docked Thinkpad.
It should also work with 1 Display in the DisplayPort , a second one in the other DisplayPort and the 3rd monitor in the VGA port, is that correct? (So all monitors connected to the dock, not to the Thinkpad)
This should definitely be possible with a Thinkpad W540 right?
Is it possible to use daisy-chaining (DisplayPort 1.2 MST) to get MORE than 3 external monitors running?
You should also definitely update this page http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-76617 or add a new one for the new docks and thinkpads where one can easily find out how many monitors one can connect and how.

*Update*
I now have 4 monitors running on my 2009 17" mid-2009 MBP. The MBP, 2 17" Dell monitors and a 24" Dell monitor. Mavericks allows multiple displays as seperate working environments.
As you can see in the image (excuse the clutter..cable management is under the desk and its a WIP at the moment)I have the upper left monitor working in excel, the middle larger monitor in iTunes, the left monitor is browsing via Firefox and I'm in Safari in this forum on the MBP.
I have run Photoshop, Protools, Safari and Dreamweaver in this set up over the last few hours also.
The only issues I'm working through now is trying to have my dock on all displays and keeping the display setting after the MBP is put to sleep. Any suggestions are helpful.
At this time I haven't put the MBP in my Bookendz docking station, but I just updgraded to a 250GB Samsung SSD, 8GBRAM and replaced the superdrive with the old 500GB HDD. I also store most of my audio and graphic files on an external HDD and iCloud.

Similar Messages

Beyond 2560 x 1440 with External Monitors - is W540 the only Option?

Hello Everyone,
I went through great efforts to upgrade my x201 to a T430s (NVIDIA) in order to drive 3 external monitors from a dock which I finally got to work.
I do this because I like to travel between home and the office, but have equally elaborate set ups with external video and external audio, yet while being able to travel with the same laptop.
I am now experimenting with 2, not 3 monitors, using the new LG 34" curved monitors, which are a bit bigger and display at 3440 x 1440.
The good news is using my T430s I am able to get both monitors to display at 3440 x 1440 and they look great!
The bad news is that if I open up just one too many windows, or drag something across the extended desktop, they are crashing.
When they crash, I lose the signal (DisplayPort) and get error messages from the monitors.
I have already spoken to
1) Lenovo sales
2) Lenovo tech support
3) Lenovo tech support in Atlanta
and no one seems to have any idea what I am talking about.
I am guessing I may need to upgrade from my T430s, which I would rather not do.
I am also guessing that the W540 would have enough graphics / video horsepower to drive at least 2 of these higher resolution monitors?
In an ideal world, I would not have the extra weight or features of the W540, but first and foremost, I want multiple and dazzling high resolution displays from a dock.
Given that I am going from 3 screens down to 2, also wondering if say, an X1 Carbon might drive 2 using a dock?
Or it is only able to drive 2 screens at 1920 x 1080 or 2560 x 1440 best case.
In summary, any advice please:
1) W540 using LG "ultrawide" screens as described above
2) Any other Lenovo laptop not as big or heavy as the W540 which would still have high end, high powered graphics capabilities when docked?
Thank you and best regards,

Thank you for replies so far.
Re Lenovo tech "support" I am a die hard Lenovo fan (4 laptops so far...) but find Lenovo's website confusing and their tech support terrible.
For my T430s, I paid for at least an hour of support to no avail, before discovering that it was a simple Windows update that was the key to driving 3 external monitors, with better information generally coming from this forum. Supposedly, even the T430s with the NVIDIA upgrade can handle 3 external monitors at 2560 x 1440.
Now, however, I would like to use bigger and higher resolution screens, even if it means going from 3 external monitors to only 2.
I have used the T430s and dock, driving 2 of the new Samsung 28" 4K monitors up to 2560 x 1440 without any issues. But moving up to the LG 34 ultrawide screens with 3440 x 1440, I can only run one. With 2 it becomes unstable.
I hope more Lenovo fans tune into the resolution and display quality - it would only enhance the brand.
Even for business only users, with data and text, everything is cleaner, crisper and less fatiguing at the higher resolutions.
ColonelONeill thanks for suggestion but hoping to find an integrated, on board, plug and play, drop into the dock and be done with it solution.
So again, hoping that worst case, the W540 with the highest spec video card could drive 2 of the LG ultrawide monitors without struggling?
Or one of the other newer machines?

MBP Thunderbolt 2, connect 3 external monitors via 1 only port ?

Hi Apple Communities,
My "old" mybookpro late 2009 died 3 days ago (motherboard).
So I buy a new MBP Retina 15" Late 2013.
I would like to plug 3 external monitors for more confort to work (one for Virtual Machine and 2 for OS X mainly)
(but not Apple Thunderbolt Display, nice but too expensive for my budget).
My question : Thunderbolt 2 and DisplayPort 1.2 are the same right ?
If yes, this interface should allow to connect peripherals by "daisy chain".
Because the lack of connectivity of the macbookpro, I would like to check if it's possible to use 1 Thunderbolt 2 port to plug one monitor and use the first external monitor to the 2 others. For example with this display Dell UltraSharp U2413 with the DisplayPort 1.2.
I want to keep the other Thunderbolt2 port to plug my external drive (with the firewire adapter) or plug my NAS in Ethernet.
I'm not a gamer but I work on Video Editing, Webdesign, Code so I need good performance too (3 x 1920x1080/1200px will be fine, if I can have better resolutions, it's ok ! )
Thanks for your help !

You can either use a FireWire hub or connect one device through USB. If either drive has two or more FireWire ports, it can act as a hub.
(121173)

How do I use an external monitor as my only display?

I have a MBP early 2011 with a thunderbolt to HDMI connector for a samsung LED monitor. I want to use the samsung as my only monitor when I am at my desk at home. I have an external keyboard/trackpad and would like a bigger workspace. As we all know Lion and full screen apps take a lot of usefulness out of extra monitors, but I just want one larger external display.
The display will work as a mirror, or an additional display, however it wont work by it self with the MBP closed. It just stays on as a secondary display.
Any and all help would be appreciated.
Thanks

yeh you need at least an external mouse or keyboard connected to the mac when the lid is closed and mac is sleeping, then use it to wake the mac up. At this point it should use only the samsung monitor. So for example in the pic below im using bluetooth mouse and keyboard paired with my mac pro 17", i dont really need to let it sleep either, can just connect the monitor while the mac is on, then close the lid and the samsung will change from external monitor to primary monitor.
hope this helps.

I have a one year old Macbook Air 13. I have a brand new 22" external monitor. When I connect my external monitor it initially provides a nice display - very accurate and no distortions. But, within a few minutes the screen begins a incessant series

I have a one year old Macbook Air 13. I have a brand new 22" external monitor. In turning the Macbook and monitor on, the monitor displays very well, but within a few minutes it begins this incessant blinking (temporary black out of the screen that lasts anywhere from 1-5 seconds). This has been going on for a long time (it also happended with my older monitor which apparantly I threw out when I should have kept it thinking it was the problem). From reading various blogs in the Apple support community, this appears to be a widespread problem, but I don't find a solution, only a lot of speculation. I'm very surprised the Apple folks haven't figured this out. As a new Apple user, heretofor, I have been very impressed with the support and effort to get fixes out to users. This, however, has me frustrated to the point of junking my Mac and going back to a PC. I love the Macbook Air and most of the functionality, but I cannot function without an external monitor. Anybody have any ideas, please help. Frustrated, Jim

Your dsplay is getting extended onto the external monitor. Chcnage the setting to duplicate it or only display on the external monitor and you should be fine,
Let me know if this worked for you.

After Mac OS 10.9.5 Update: External monitor runs SVGA only

Hi @all,
short problem: My external monitor only runs on SVGA 1024 x 768 after I updated Mac OS to 10.9.5.
Technical background:
- MacBook Air, 13 inch, late 2010
- Monitor: Samsung U28D590
What I tried:
- Reboot
- Power off both, monitor and MacBook Air
- PRAM reset
- SMC reset
- Exchange of monitors and cable (same model)
Unfortunately nothing helped. Any ideas?
Thank you for your help.

A similar issue has started for me since upgrading to 10.9.5 on my Mac Mini (running Server). Several times over the last couple of days since I upgraded I have returned to the machine to find the monitor will not come back on. I can remote into the machine and everything is running ok, its just the screen is no longer being woken up after sleep. I've had to reboot the machine several times to get the screen back on but on the last two occasions I've found pulling the mini display port cable (to HDMI) out the back of the mini and reinsert seems to get the screen to wake up, better than a reboot but not ideal. I'm now setting up caffeine and setting it to indefinitely so the monitor stays on, I'll just turn the monitor off at the power switch tonight and see if it comes back on in the morning ok.
I've never had an issue with this machine before and its usually left on for weeks / months at a time so I can only conclude its the 10.9.5 upgrade at fault.

Video playback on external monitor working. Only works when Print to Video

I'm having a problem. I'm using FCP 5. When editing, my video playback is not showing up on my external monitor (Sharp MiniDV camcorder). It does however show up on the external monitor when I "Print to Video." This is the first time using FCP 5. I never had this problem with previous versions of FCP. Can anyone tell me whats going on? Thanks

#8 External Monitor Viewing.
Shane's Stock Answer #8:
A simple path is mac > firewire > camera or deck > rca cables > tv
Then start up your camera and tv, then open fcp.
Then go View > External video > all frames
Video playback should be Apple firewire NTSC (If you are using an NTSC set)
Audio playback should be Audio follows Video
Techinially, this should send synched video to your TV
If for some reason you can't view your timeline on your external monitor, there are a few things to try:
1) Make sure that the camera/deck is connected and powered on BEFORE you open FCP.
2) In the Final Cut Pro menu select AUDIO/VIDEO Preferences and make sure your signal is being sent out thru Firewire DV.
3) Go to the menu and select VIEW>EXTERNAL>ALL FRAMES.
4) Click in the % box above the image and select FIT TO WINDOW.
5) Go to VIEW->refresh A/V devices
6) Make sure the Log & Capture window is closed
If you want it to play in both the canvas and the external monitor you need to go to the FINAL CUT PRO menu and select AUDIO/VIDIO settings and make sure MIRROR ON DESKTOP is selected under the PLAYBACK OUTPUT section
Shane

Recommendations for external monitor in combination with USB 3.0 dock and X1 carbon touch

Dear Community,
I'm waiting for my X1 carbon touch and USB 3.0 dock and keyboard/mouse to arrive any time soon. However, I'd be glad to get some help/recommendations on external monitor choice.
For instance, the new HP envy 27" caught my eye, since it includes speakers, but it comes with HDMI and Displayport connections only. As far as I understood, video connection itselft shouldn't be a problem using a DVI to HDMI adaptor, but how about the resolution of the X1 vs. a HD+ monitor, and how do I use the audio on this monitor (don't want to use the microphone jack in front of the dock, as it should look as minimalistic as possible)?
Is there a solution? via usb 3.0? or should I better consider another monitor? Anyways, DVI or HDMI, I don't want to connect a separate audio system to the dock. Any recommendations, or is it one of those gadgets that has not been thought through well enough and you need to wait for the next generation to be developed?
Many thanks for your help,
Cheers, jcd

Since you don't want to use the jack on the dock, you could usethemini-DisplayPortontheX1cTouchasyourvideooutputoption because the version of DP on the X1c Touch includes the ability for audio to streamed over the DP connection in addition to video. This would require a compatible DP monitor.
You'll also want the monitor to support audio over the DP connection. The X1c Touch's graphics supports the output of an audio stream over DP and the machine should be be capable of this. This gives you two cables connecting to the X1c Touch -- the DP cable for audio and video and the USB 3.0 cable connecting to the dock. The dock would be attached to keyboard, mouse, USB accessories, and Ethernet (if necessary).
As far as what to look for in a monitor, my general recommendation is Dell Ultrasharp. They tend to be a good deal for an IPS monitor with at least an sRGB gamut and a solid warranty. I've never bothered to attempt to stream audio over DP because I have separate speakers for audio. In the same way that my last 3 laptops have been ThinkPads, my last three monitors have been Dell Ultrasharps. The graphics in the X1c Touch should be fine running a 1920x1080, so I wouldn't worry about resolution. It can be a little jarring to use monitors side-by-side when they have different pixel densities, so you'll likely end up treating them as separate display surfaces. I often have e-mail and Pandora open on my T420's screen while I'm doing the bulk of my work on my main monitors. If you think you'll be touching the screen a good bit, then you might want to look into buying a touch capable monitor. Otherwise your brain can become easily confused because it'll begin to think that all computer screens are touch-capable and you'll reach out and try to touch your desktop monitor without thinking.
When asking for help, post your question in the forum. Remember to include your system type, model number and OS. Do not post your serial number.
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help others with the same question in the future.
My TPs: Twist 2HU: i5-3317U Win 8 Pro, 4GB RAM 250GB Samsung 840 | T420 4177CTO: i5-2520M, HD+, Win 7 Pro x64, 8GB RAM, Optimus, 160GB Intel 320 SSD, Intel 6300 WiFi, BT 3.0 | T400 2764CTO: P8700, WXGA, Win 7 Ult x64, AMD 3470, 8GB RAM, 64GB Samsung SSD, BT, Intel 5300 WiFi | A20m 14.1" PIII 500 (retired). Monitors: 2x Dell U2211h IPS 100% sRGB calibrated w/ Spyder3.

BUG: External Subversion Repository, Can only connect to one URL unless....

Jdeveloper 11.1.1.6 and Jdevevloper 11.2.2 versions.
To See video about this "bug" please see http://youtu.be/Dp0laSTnSo4 (I made the video after writing this).
Use-case: I work on four or five different applications and need distinct repositories for each. I am able to create distinct repositories using the Jdeveloper "create Local Repository" built-in functionality, and then when I "Version Application" I see all the repositories I have created.
HOWEVER Using an External SVN as described in http://www.oracle.com/technetwork/articles/adf/part1-090228.html
I have created two repositories: app1 and app2
When I try to "version [an] Application" I can add only one URL of an external SVN, and am not able to add any others.
If I look at the repositories.xml file as found in the system directory, I see the following:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<svn-repositories xmlns="http://xmlns.oracle.com/jdeveloper/1013/svn/repositories">
<svn-repository>
<url>https://stuart-pc:8080/svn/App1</url>
<alias>App1</alias>
<user-name>hr</user-name>
<password>Bb8W5J9eNtvA1jlqkYoTNWA=</password>
</svn-repository>
</svn-repositories>
If I hack this file and add the extra lines below (with jdeveloper closed), I am able to version an application to the "App2" repository.
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<svn-repositories xmlns="http://xmlns.oracle.com/jdeveloper/1013/svn/repositories">
<svn-repository>
<url>https://stuart-pc:8080/svn/App1</url>
<alias>App1</alias>
<user-name>hr</user-name>
<password>Bb8W5J9eNtvA1jlqkYoTNWA=</password>
</svn-repository>
*<svn-repository>*
*<url>https://stuart-pc:8080/svn/App2</url>*
*<alias>App2</alias>*
*<user-name>hr</user-name>*
*<password>Bb8W5J9eNtvA1jlqkYoTNWA=</password>*
*</svn-repository>*
</svn-repositories>
I think this is a bug. Since you can create multiple "local" repositories, you should also be able to this with an external repositories. Also, one should be able to add as many external URLs as necessary in the Jdeveloper GUI, since we may work on multiple applications throughout the course of a day.
Thank you,
Stuart
Edited by: Stuart Fleming on Sep 9, 2012 7:03 PM

Frank,
Thank you. Actually, I wasn't completely sure it was a bug, but it seemed that if you could do it using the "Create Local Repository" the functionality ought to be there for the external Subversion.
Just curious, would you know what the Oracle Fusion Developers use for their Repository? might they also use Maven? Hudson?
I always appreciate your help!
Stuart
Edited by: Stuart Fleming on Sep 10, 2012 7:15 AM

Why will my Classic 20GB Ipod no longer connect with my mac 10.6 ? Why will it only connect with the dock attached to my stereo system?

w

FYI, I've reposted this question in the iTunes forum. I thought that was a more appropriate thread. If you do have some insight, please post it to
http://discussions.apple.com/thread.jspa?threadID=470231&tstart=0
Thanks
imac G5 Mac OS X (10.4.6)

X240 (Win 8.1) w/ Ultra Dock and two external monitors connected via DisplayPort problem

I'm having trouble making this combination work. This Ultra Dock does have two DP connectors, computer sees both external monitors (HP ZR24w) but I cannot get any picture on both at the same time using DP. Sometimes one display does work, but that is not always working.
When I connect same monitors via VGA/DSUB and DP (with Lenovo DPtoDVI converter) I can get this to work - both same time - , but I'd prefer them both digital and both native DP as both monitors do have that port.
Ultra Dock does already have the latest firmware and this problem seems to not relate to the flickering problem with T440 etc. X240 is also running latest UEFI/BIOS and I've also tried latest Intel Beta display driver, no effect.

shelmers wrote:
W520 with Win 7 Pro
Minidock Plus Series 3
Two Asus monitors attached via DVI
Let me start by saying that the internal and both external monitors work simultaneously. However, getting to that state is the problem.
I can boot successfully with the laptop in the dock with 1) just the internal monitor, or 2) the internal and one external monitor connected.
However, if I try to boot with both monitors connected via DVI, the following happens:
Windows logon screen appears -- but there is no cursor on the screen
I enter the password and the login continues for 30-60 seconds, then
Blue screen SYSTEM_SERVICE_EXCEPTION for nvlddmkm.sys with STOP x0000003B
Lenovo has replaced the dock with no change in behavior.
Drivers and BIOS are current.
Most recent change was to set BIOS so Win 7 automatically detects Nvidia Optimus.
At this point, my best workaround is to disconnect one external monitor whenever I need to reboot, and then connect it again after everything is runing. Not terrible... but it really shouldn't be necessary. Any suggestions?
If you want to drive the monitors in the manner stated, the BIOS Display property must be set to Discrete and the auto detection below it must be disabled.

MBP does not detect external monitor on DVI connection...

(2007) MBP C2D 2.33 15", OSX LION 3gb. Worked fine till about 3 days ago (right after installing the last round of updates).
My external monitor now fails to connect on DVI cable. Since it also has VGA, I was able to test this way with a DVI to VGA adapter and that worked perfectly, but the vga gives a lower resolution. Having estalished that the graphics adapter and the monitor were okay, I looked for other issues.
Starting the MBP in clamshell mode, it found the monitor on DVI. Then restarting normally, it all worked fine, UNTILL the MBP went to sleep. when it awoke, no external. Plugged, unplugged, trashed display prefs, nothing, though it does still work via DVI-VGA.
I don't think having to clamshell everytime is a workable solution, but I NEED MY DESK SPACE!
Any thoughts?

Yesterday, having had the problem become far worse, I too tried PRAM/NVRAM clearing (SMC reset so many times I can't count them). Then, in desperation I purchased TechtoolPro 6 and ran it. Everything s working well now, and in fact the video issue cleared up while techtool loaded, it didn't even wait for me to run the thing!
More: About 3 weeks ago, I made a HardDrive image from an older white macbook so I could repair its hard drive. After doing that job, I (thought I) deleted the image from my MBP, but the disk still showed 80Gb used that wasn't before. So while I thought I had 130GB free, I was only showing 50. After running the directory rebuild, I now have 175gb Free! So the directory was keeping track of 95GB that WASN'T there! I suspect this had something to do with my problems. Then running the Defrag and Optimization routines, my 2007 MBP is running like a brand new machine. Other things that had been buggy (like the right click on my magic mouse) are now working like they should.
Recommended highly!

Strange issue with external monitor, only working when external speakers plugged in (using Thunderbolt to VGA adaptor)

Hey – I am having a very strange issue with my external monitor; where it only works if my external speakers are plugged in and connected.
I am using a late 2011 Macbook pro, running Mavericks 10.9.4, along with an MBox 2 (USB Audio Interface), and two powered speakers (KRK Rokit 5). This setup has had no issues. I have just acquired an external monitor (Benq T2200HD), which I am using with a thunderbolt to VGA adaptor (a cheap Chinese knockoff adaptor).
To start - I plugged the monitor in with the thunderbolt adaptor, and it powers up and works fine. However, there is a nasty buzz coming from the speakers. I did some research and it looks like a simple ground loop issue. I did a bit of troubleshooting, and this is where things get weird.
What I found is - If I unplug the MBox, the monitor loses signal from the computer (displaying ‘No Signal Detected!’). Further, if I keep the MBox plugged in, however unplug both the cables from the MBox to the speakers, the monitor loses signal. It doesn’t matter if the speakers are turned off, however they need to be plugged in (or the monitor loses signal). Weirder still, I can unplug the MBox, however the monitor will work if I plug in the speakers through my macs headphone jack.
Simply put, the monitor only works if there is a direct connection between the computer, the speakers, and the power source. What is going on here? Is the monitor grounding through the computer port, to the speakers (I don’t know how this works, is this possible?). Could it somehow be the cheap VGA adaptor I am using?
Some other information:
- Everything is plugged into the same multi-box for power. I have tried plugging things into separate sources, and the result is the same.
- If I unplug the thunderbolt adaptor, then the speaker noise disappears straight away.
- The ground noise doesn’t appear in my headphones, which are plugged into the MBox.
Any information would be great – am I missing something here, or is this genuinely weird?

Well, I went back into Best Buy to test on 3 other laptops (2 Asus, and their floor model for this Sony). It seems to be doing the same problem so at least I was able to rule out broken hardware issue on my particular laptop.
Here's what I did to test:
Since I couldn't really install Adobe Premiere on their machines, I used the DVIO software (http://www.carr-engineering.com/dvio.htm) and a 5 min clip I captured. I transferred onto their machines, hooked up my Sony D8, and attempted to play the video. It would play for 15 seconds and then stop and jitter with a loud noise (like it does on my laptop). I even tried changing each machine's firewire driver to the legacy one and same results. I pulled a brand new 4 pin to 4 pin firewire cable off their shelf and still the same problem.
I think I've nailed it down to Win7x64 bit Home Edition not playing nice with Firewire driver. Very annoying. I can't find any concrete evidence of this from other users on any of the forums that have my particular problem, but from my own testing, it's all I can conclude.
I have 2 other things I can try:
1. Opening the laptop and looking at the firewire to maybe find appropriate driver (ugh, I don't want to have to open this thing up).
2. Upgrading to Win7x64bit Pro and possibly testing with XP on the new MS Virtual PC (http://www.microsoft.com/windows/virtual-pc/). I can't do it with my Home edition apparantly.
Who needs to view video on an external TV anyways....sheeesh...(scarcasm).
Tim

Connecting an External Monitor to a HP Pavilion 15t-n200

I have a HP Pavilion 15t-n200 laptop computer and I'm trying to hook up an external monitor.
I tried connecting directly to a monitor with an HDMI cable and this didn't work. So I bought a HDMI to VGA adaptor, and still no luck.
In both instances, I hooked up the monitor and pressed the F4 key to select how I select the other display. But none of the choices: Duplicate, Extend, or Second Screen Only seem to work. In fact, nothing happens when I make any of these selections.
Am I missing a step?

JKinnicutt wrote:
Still no luck.
I updated the BIOS and the video drivers and it's still not working.
Pressing Fn F4 opens the selection for how I want to view the external monitor. And clicking something makes the laptop screen go black and then back on. (Unless I select Second Screen Only, then the laptop screen stays black). But the external monitor never displays anything.
What is your operating system?
Follow this document -
Connecting a Monitor, Projector or TV (Windows 8)
Go through Page 23, 24 in this manual
NOTE:
To see the computer screen image on an external VGA monitor or projected for a presentation, connect a monitor or projector to the computer's VGA port.
To connect a monitor or projector:
1. Connect the VGA cable adapter to the HDMI port.
2. From the monitor or projector, connect to the VGA port on the computer
3. Press f4 to alternate the screen image between 3 display states:
● View the screen image on the computer.
● View the screen image on the external device (monitor or projector).
● View the screen image simultaneously on both the computer and external device.
Each time you press f4, the display state changes
Additonal Read: Connecting a TV or Monitor to your Windows 7 PC using HDMI
HD Graphic drivers need to be updated only if HDMI to HDMI is port is connected.
If nothing works, change the adpater and cable and see.
Regards
Visruth
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**I'm a Volunteer, I do not work for HP**

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.

3 external monitors on W540 only connected to Ultra Dock

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