2nd Monitor with KVM switch

hi,
i work for a major broadcast company who use a MacPros for trade shows (NAB, IBC etc) with a mirrored output.
monitor two goes directly into a 23" Cinema Display.
monitor one goes onto a geffen KVM to a 42" panasonic plasma running at the same resolution as the cinema display.
when we switch back to the mac from another computer the cinema display seems to run an autodetect again and takes sometimes up to 30secs to detect, correct and return to use (so we can keep using the k+m).
does anyone know a way to disable this autodetect? i can't seem to find anything, neither can the apple people i've spoken to. i've tried using a single geffen DVI splitter but with similar results.
thanks

i think i can get hold of some to test. thanks.
is there no unix code i can apply to disable the autodetect? i've applied code for various other "niggles" we've had to great success, i'm just not sure about this one.
thanks.
alex

Similar Messages

Connecting to PC Monitor with KVM Switch

I'm still setting up my new MacBook Pro laptop. I thought it would be nice to take advantage of my 21" PC monitor while I'm at home, so I purchased my first KVM switch.
I plugged everything in as instructed, and it appears to be working at about 75%. In other words, I can use my mouse and keyboard with my PC just fine, and when I click the Scroll Lock key twice, the monitor shifts to Apple mode; it has the same bluish background my laptop does.
However, it doesn't display anything I see on my laptop's built-in monitor - the menu bar, open programs, etc. Curiously, it displays one folder, titled "untitled folder 3." My mouse works, though there's nothing for it to manipulate, save one empty folder. I can't tell if the keyboard works or not. The trackpad that's built into my laptop also works on my PC monitor. In other words, I can move the cursor on my larger PC monitor with either the mouse or the trackpad.
Next, I reversed the wires, plugging the PC into the KVM node that had formerly connected to my MacBook Pro and vice versa. The results are pretty much the same, except that now when I toggle to Apple mode, my mouse moves the cursor on the laptop's built in monitor, not on the larger PC monitor. Also, my MacBook told me it didn't recognize my keyboard, so I replaced it with a Mac-compatible keyboard. (I learned how to do the hot key trick so I can toggle by hitting the CTRL key twice.)
So my KVM switch is obviously almost working. I just have to convince my laptop to ignore its built in monitor and display everything on my PC monitor, not just one empty folder. Can anyone tell me what's going on, and how to fix it? Thanks.

Though for 10.3 this will work for 10.4
Printing to a printer on an XP PC from a Mac running 10.3.x (alternative method)
http://www.ifelix.co.uk/tech/3009.html
If you don't want to use guest access then
Device URI: smb://XPusername:XPpassword@<IP address>/<the share name of your shared printer>
instead of
Device URI: smb://guest@<IP address>/<the share name of your shared printer>
should also work.

Can I use a 2nd monitor with my HP TouchSmart 310-1020?

can I use a 2nd monitor with my HP TouchSmart 310-1020?

http://h30434.www3.hp.com/t5/TouchSmart-PC/how-to-hook-up-a-second-monitor-on-an-hp-touchsmart-compu...
Kate has some great information in answer to this question.
Take a look.
GeorgeFN
GeorgeFN
I work on behalf of HP.

Monitor blacks out when booting with KVM Switch in the middle

Hi
I have attached my Xserve with an iMac G5 to a KVM Switch. When I boot up the Xserve the monitor blacks out after the apple logo.
I know that the Xserve tries to autodetect the monitor. Apparently it fails in its job when the KVM is in the middle. Everything works well when I remove the KVM and connect the monitor directly to Xserve.
Any ideas how do I disable the monitor autodetect feature - or something?
Xserve (intel) Mac OS X (10.4.1) dkvm-4u KVM switch

Hi all
I did try that. No luck.. Strangely enough, I realized that when the server boots up, the login screen defaults to 85HZ refresh rate. I found a site that explains the plist file that you can change to force it to 60HZ. What is weird it if I boot the Mac connected to another LCD, then move the cable to the KVM, it works. It almost seems like when the mac is booting, it sends some sort of signal just before the login screen comes up, that screws up this KVM. Tried updating firmware, still in the process of speaking with the KVM support people...
very strange..
Enio

Mac mini with KVM switch

I'm thinking of getting a Mac mini, but I need my Windows PC for some apps that aren't available on Mac and some other stuff. I can't afford to get a large monitor for a Mini if I get one, but my current PC has a big flat panel display.I noticed the KVM cable way of moving your stuff (a cale taht lets peripherals like monitors, keyboard and mice be connected to two computers so you don't need a separate one for eache computer), and was wondering if that's a possible way of using both without buying monitors, etc. for the Mini.
Is anyone doing this, and if so, what do you think of using the Mini this way? Does it work well, and what are the pros and cons of doing this?
Thanks,
Ilya Smirnov

My experience with my Belkin KVM is also good, with the exception of one thing. I can't switch back to the Mini once I've switched to the PC. I have to unplug the PS2/USB adapter from the Mini and THEN do Scroll Lock-Scroll Lock 2. The KVM then switches, and I can plug back in. Everything works fine after that. It gets cumbersome though if you want to switch seamlessly between the two.
I only use the KVM for the KM part these days since my monitor (Samsung 930b 19" LCD) is able to switch between DVI and VGA by itself. And since I'm using the Windows box mostly for gaming these days, I use the DVI with the PC and the VGA with the Mac. The KVM was able to handle it without any distortion when I ran VGA on both of them. To the best of my knowledge, there isn't a cost-effective DVI KVM switch out there yet. I could be wrong.

Problems Usingt External VGA Monitor Through KVM Switch

I have my ThinkPad x201 connected to a KVM switch along with three other machines. The KVM is attached to a monitor with a resolution of 1920x1200.
Does the ThinkPad have to be rebooted with the KVM switch attached to the VGA port and with the switch set to the THnkPad?
I plug in the VGA connector with the KVM switch set to the ThinkPad. I then press fn-F7 and get four choses: Computer Only, Duplicate, Extend and Projector Only. I only want to display on the external monitor but Projector Only does not seem to be the correct choice although it does switch to the monitor it also puts up a message box saying the projector was not found. When I go to change the resolution I am offen limited to 1680 x 1050. Other times I can set it to 1900 x 1200.
When I switch the KVM to another machine I hear a tone from the ThinkPad that indicates something has changed. Then when I switch the KVM back to the ThinkPad I briefly see the display on the monitor at a lower resolution and then the monitor goes dark and the ThinkPad screen lights up.
I have also tried Extend mode with the output set to go only to the monitor. Again, if I switch the KVM away from the ThinkPad I hear a tone from the ThinkPad. When I switch the KVM back to the ThinkPad I again briefly see the display on the monitor at a lower resoulution and the the monitor goes blank and the ThinkPad's display lights up.
Is there a way around this behavior that will stop the ThinkPad from switching its output or can an external monitor only be used if it is directly connected to the ThinkPad?

I am also having the same problem with a ThinkPad T420s and a Trendnet TK-409 KVM. This KVM has worked for so many other laptops and desktops, I find it difficult to believe the ThinkPad would not work with a KVM - particularly this one. Any suggestions and help would be highly appreciated. Thank you.

Using iMac with KVM switch

Hello --
Can someone tell me if I purchased a new iMac with either the corded or cordless keyboard, could I hook up the keyboard, mouse, and monitor to a KVM switch and use the keyboard, mouse, and monitor with a PC? The KVM switch uses USB for the keyboard/mouse input.
I have to use the PC for work, but I don't want two keyboards, mice, and monitors on the desk, if anyone's curious why I'd want to do this.
Thanks!
Paul
Future iMac Mac OS X (10.4.4)

Someone correct me if I'm wrong... (I'm sure they will!)... but I don't believe the iMac can display a video signal input from another source (pc). It certainly can output to a second monitor, but that won't solve the space problem posed by two monitors on your desktop.
TiBook G4 1G, PMac G4 dual 1G, MacPlus Mac OS X (10.4.4)

New Apple Keyboard for Dual G5 with KVM Switcher

Hi Everyone,
I have a Dual Mac G5 and a Dual Mac G4 with a Belkin KVM Switcher, so they are able to both share one monitor. I am not sure of the model number of the Switcher, but I bought it because it was recommended by Apple. It has worked flawlessly since I installed it over a year ago.
My problem is this. I plugged the new Mac keyboard into the G5, where the old one was. When I did this, the Switcher just kept switching back and forth, on and off, and just was not behaving.
Is there some software out there that I have to install that will enable me to plug in the new Mac keyboard without any problems with the KVM Switcher?
Thank you for reading this. I would sincerely appreciate any help. Best Regards, Luke 77

Just make F5 as your Dashboard...
System Preferences---> Keyboard---> Shortcuts---> Mission Control---> (check mark Show Dashboard)---> Double click the current state (could be F12). When highlighted, hit the actual key "F5".
From then on, you should be able to hit "F5" and it'll show the Dashboard for you.
I believe there are at least two Apple Wireless keyboard out there. The one that I am on right now shows 6 squares on the F4 key. The other has the dial face on the F4 key. This one also has brightness control for the backlighting on the keyboard, or rather the built-in keyboard of a Mac Book (Air and Pro). Which are on the F5 and F6 keys. Why Apple did that, I have no idea.
You could also use a Hot Corner to open the Dashboard. For instance use the upper left for it.
System Preferences---> Mission Control---> Hot Corners (lower left of the window)---> Select the upper left and scroll to Dashboard.
I personally like to have the Dashboard "fly" over my current screen/desktop. So I unchecked "Show Dashboard a Space."
KOT

I've lost OpenGL support with KVM switch. Help!

I have a Win7 64 machine and an XP machine at work. I installed an Iomega KVM switch to use the same monitor/keyboard/mouse with both computers. Problem is, once I installed the KVM, Photoshop can't detect my video card, so I lose OpenGL support. Very irritating. Anyone had this problem and/or know of a solution? Thanks!

Did you reboot Windows after plugging the monitor into the computer?
On another note, it's possible a recent video driver update changed the behavior. Photoshop queries the OpenGL system for its capabilities, and if something's gotten broken Photoshop might not allow the OpenGL operations. What video card do you have?
There is a workaround you can try - a registry tweak - that will instruct Photoshop to use OpenGL calls anyway:
Go to this site: http://www.adobe.com/support/downloads/detail.jsp?ftpID=4056
Download the file and extract AllowOldGPUS_ON.reg. You don't say which version of Photoshop you're using, but if it's CS4 the file is good to use as is. If CS5 then you'll need to edit the file with a text editor to change 11.0 to 12.0. Make sure you're an Administrator and double click the file to enter it into your registry.
-Noel

No display on 2nd monitor with a mini displayport to dvi

Hi there,
I have now owned my Macbook Pro for 2 weeks and received my mini displayport in the post today. Once everything was plugged into my LG monitor, there is a signal present as it shows up in the system preferences and i can move windows to the other screen, but the monitor screen is black and telling me there is no signal.
This is very frustrating as I hate being restricted to a small screen.
Hopefully someone will have be able to help.
thanks,

You are right: Thunderbolt supports both Mini DisplayPort cables and adapters without any problem, but Mini DisplayPort does not support Thunderbolt cables.
If you have got an Apple display with Mini DisplayPort, you can use it with the new Mac Pro. Just use the Mini DisplayPort cable or adapter you need. See > http://support.apple.com/kb/HT5219?viewlocale=en_US&locale=en_US#22

Mac Mini, HP both sharing monitor with KVM - How where do you install disc?

Ok... laugh, joke make fun or whatever but have to do password reset and I hear I need to reinstall mac os x. Problem is...when I install cd nothing happens. Please advise how to get this installation to take place so I can go to the utilities menu and change this pswd? It is a loaner unit I use for work and I am halted at file updates with this password prompt.

I tried something that worked for me...
Knowing that after my install of Windows 7 wasn't the correct method (didn't go through bootcamp), and the BootCamp 4.x package wouldn't install under windows 7, I tried reinstalling Bootcamp 4.x in Windows 7 to see what the exact message was it gave me. The message said it couldn't install because of a 32-bit O.S. vs a 64-bit version of the package.
So that got me thinging - my XP version was 32-bit, and so is my Windows 7 installation. So I tried installing the bootcamp that came with my Mac OS X installation CD. This is bootcamp version 3.1.
Not only did it install, but it practically took care of everything driver-wise for me. I was then able to see my wireless network, enter my password and I was connected. The only thing else I had to do to get on the Internet was bring IE8 online (guess it ships offline by default). Firewall and Antivirus are now installed, just a few more things to go.
That's one thing that's just not clear that I'll be sure to note for next time... The Bootcamp packages you download are actually driver packages for Windows. That is where the Windows drivers exists that are necessary to make your Windows 7 PC work on a bootcamp partition!
I didn't need the AirPoirt Utility at all (at least, I never went into it).
Thanks VikingOSX for your post. I will not need to follow the steps you provided, but they may help someone else as all of these bootcamp issues I've been reading seem to be very unique per installation.
Hopefully my solution helps others.

MacBook Pro performance issues w/2nd monitor and FCP7

I have this MacBook Pro bought brand-new in January 2010:
Model Name: MacBook Pro
Model Identifier: MacBookPro5,2
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 6 MB
Memory: 8 GB
Bus Speed: 1.07 GHz
and until today had never attached a second monitor to it. Today I hooked up my Samsung 24" to do some dual screen editing in Final Cut 7.0.3. I was unable to play back my video at full speed in the second monitor, and after a few seconds of skippy playback I'd get that error message about unable to play back video at full speed and to check my RT settings. I was using a Mini DisplayPort to DVI adapter. My computer has no issues playing the video in the laptop's monitor at any resolution and any quality settings (I've never changed the RT settings or anything else in the menu ever but I tried every combination this time). I then tried using my TV as a 2nd monitor with an HDMI adapter. Same performance issues. I then tried my friend's newer 13" MBP 8,1 and it performed flawlessly with the same project & footage. I feel like my $3,000 computer should outperform a $1,200 one even if mine is a year and a half older. Any advice?
Chris

Wow, you posted this perfectly to coincide with an identical problem, albeit using Logic Pro 9.1.5 rather than FCP.
Last week, I purchased a 23" external monitor to use alongside my "flagship" 2011 15" hi-res, 2.3 i7 Macbook Pro with 8Gb of RAM.
It is connected via a mini-DVI to D-sub analog (not that that should matter?) and all appeared fine.
The first issue I had was with my MBP's fan now running CONSTANTLY, when I have the second monitor attached. Even when the machine is completely idle.
When using the machine to record audio, this is a fairly hefty problem and not something I had anticipated - indeed why would I anticipate such a thing?
What is far, far worse though is that over the last few days I have had repeated problems with performance drop-outs and errors in Logic and I have trying to fathom out why. Realising that the only major system change made, was the above monitor connection, I ran some tests.
I restarted my MBP, no other apps were running and with my new 23" monitor attached acting as main display with MBP built in display on as secondary
I loaded up a fairly demanding Logic project which was hitting 40% to 60% CPU usage when using the built in MBP display last week
I ran activity monitor and had CPU usage history open
The above project now repeatedly overloads and playback halts in a given 8 bar section - with CPU at 80% most of the time
I disconnected the external display, no shut down, I just let the machine switch to the built in 15".
Started the same project, the same 8 bar section and hey presto - CPU usage back down to 40% to 60%
The above was reflected in the CPU usage history with the graph showing CPU use down by about a half, when running this Logic project WITHOUT the external display.
There is a very useful benchmark Logic project that has been used as a test by many users to gauge Logic performance on given Apple hardware.
The project has about 100 tracks pre-configured with CPU intensive plugins, designed to tax the CPU.
The idea is that you load up the project with tracks muted, press play and then unmute the tracks steadily until Logic us unable to play contiunously because of a system performance error.
On my MBP, with the external monitor NOT attached, I can play back around 50 of the audio tracks in this benchmark project.
With the monitor attached, I can get about 22 tracks playing.... which is actually a far worse a performance drop (-50% I think!?) than with the first example!
I did also try with just the external monitor attached and not the MBP display and performance was about 10% better than with dual monitors - so still extremely poor, to say the least.
This machine is the flagship MBP and has a dedicated AMD Radeon HD6750 GPU which should take care of most if not ALL graphics processing - I mean it's capable of running some pretty demanding games!
Putting aside the issue of constant fan noise, there is no reason AT ALL, why using an external monitor should tax the i7 CPU this way - it's not as though Logic is graphically demanding... far from it.
I am on 10.6.8, Logic 9.1.5, all apps up to date via "Software Update".
I will of course, be contacting Apple...

How to force AMSN to open in 2nd monitor only?

Hi
I've been trying to force amsn to only open on my 2nd monitor with no success. Other programs, such as iTunes, Mac MSN messenger all stay on that monitor but amsn always reverts back to primary.
Does anyone know how to solve this?
Thanks for your help.

If you want to save the tabs in multiple windows in the sessionstore.js file when you close Firefox then you have to use the Firefox Exit/Quit menu item or button in the "3-bar" Firefox menu button to close all open windows at once.
Otherwise you only save the tabs in the last closed window and you may have to look for History > Recently Closed Windows or "History > Restore Previous Session" to reopen closed window.

What kind of KVM switch can I use to monitor sun rack with 490s, 245s, and

Hi,
What kind of KVM switch can I use to monitor sun rack with 490s, 245s, and T2000s ?
Ushas Symon

It sounds like the customer and server room operator are using a Microsoft/X86 mindset. There are several selling points on using RSCs & SCs. First off are the big 3 that are easy for any good server room operator to understand: cost, space & power. If you don't have to buy a 1U Tripp-lite pull out rack KVM console ($1700) and a video card for each of your SUN servers ($400, yes SUN vid cards are $$$), you start off by saving several thousand dollars.
Next you need to let them know that you require remote access to the systems from your desk and a standard KVM doesn't allow this (with Unix, if you have to get up from your desk then its a hardware problem). They can choose to purchase a network enabled KVM, but that adds $700 to your $1700 KVM. By using the SC you will be able to administer the system remotely.
Third, remember that SUNs do not show all the critical boot information on a frame-buffer console output. If you are in diagnostic mode during boot, the monitor doesn't show results until it completes. If some process is stuck (missing NFS or fibre-channel hard mounts, memory tests, etc) then you need to be able to see it to fix the problem. Plus, console frame-buffers only give you 25 lines of output that you can't scroll back.
The only small hitch is security. The new SCs (on T5220s) have SSH built in, but the older V240s and V490s use telnet which some security people balk at. The solution that we used is to put the older system SCs on a private LAN. Access to that private LAN from our intranet is via a SSH enabled dual-homed (non-routing) workstation with local user accounts. We SSH to that workstation & then telnet to the SC on the relevant server. That solution allows me to access our servers that are 40 miles away, saving response time to solve customer problems. A crude diagram is below:
your workstation------intranet------[dual homed, non-routing workstation]------[inexpensive switch]------[server SC]
Good luck.

Lightroom 4.2 - Experiencing problems with images viewed on 2nd monitor

Hi All,
This problem seems to have started with my updating from 4.1 to 4.2. I have my second monitor set as Loupe - Normal and Fit. As I crop an image on my main monitor, the 2nd monitor view does not always change to the cropped view. If I switch to a different photo and then back to the one I just cropped, the 2nd monitor view will then show the cropped image, but it is almost always blurry. Sometimes I can click the image in the 2nd monitor view to change to a 1:1 view and it will look sharp, and then click again back to Fit and then it too will be sharp. Other times I get a message in the 2nd monitor view that says "no image selected" and bouncing back and forth between a different image will correct this.
This all started off with the majority, but not all cropped images showing as blurred and progressed to what I have described above. I seriously though I had a focus problem with my camera!
Is anyone else experinecing this since updating? Suggestions?
Below is the suggested information to provide...
What version of Lightroom? 4.2
Have you installed the recent updates? Yes, 4.2
What operating system? Windows 7 Ultimate 64 bit
What kind(s) of image file(s)? All images are converted to .dng upon import
If you are getting error message(s), what is the full text of the error message(s)? No error messages.
What were you doing when the problem occurred? I am in the develop module cropping images etc.
What other software are you running? Silver Efex Pro 2, but I have had that installed in many prior versions of Lightroom
Tell us about your computer hardware. How much RAM is installed? 32 GB - Yes, I know - overkill...
How much free space is on your system (C:) drive? 119 GB of 223 GB of my solid state drive c:\
Has this ever worked before? Yes
If so, do you recall any changes you made to Lightroom, such as adding Plug-ins, presets, etc.? No other changes other than updating to 4.2
Did you make any changes to your system, such as updating hardware, printers or drivers, or installing/uninstalling any programs? No, no other changes.
Thanks!

Same problem. Not a soloution, but this may be relevant.
http://forums.adobe.com/message/4782916#4782916
Alan

2nd Monitor with KVM switch

Similar Messages

Maybe you are looking for