Disconnecting external monitor in sleep causes MacBook wake problem

Hi,
With previous laptops I would put it to sleep and then disconnect the cables for my external monitor and put it in my bag.
However, with my MacBook, after it goes to sleep and when I disconnect the cable for my external monitor it wakes up, except that it doesn't fully wake up. When I open the lid the screen is blank/black, and no amount of closing and opening the lid, pressing keys on the keyboard, clicking my mouse will wake it up. I end up having to force the computer to switch off--which I hate doing.
(In addition, I get that snow problem at random times, which has been mentioned elsewhere on this forum. Also, my previous generation MacBook had that issue with the screen going blank/black randomly for half a second.)
This is really annoying. I'm not impressed at all. It seems that Apple's quality is going downhill. I'm quite disappointed really.

They way that you can do this is stick you computer to sleep and as it goes to sleep you unhook the external monitor.
I would suggest trying it that way

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Flickering on DVI external monitor connected to 2009 Macbook

This is an ongoing an intermittent problem. At one point Apple phone support suggested that engineers are working on the problem but I haven't heard any updates.
The problem is with a 2009 macbook (13 inch) connected to an apple display (from 2008) by an apple minidisplayport to dvi connector. I don't find this kind of problem when another computer is connected to the display. The problem is unaffected by changing the brightness settings on the display.
The problem is intermittent, it occurs roughly once every five days. It typically occurs after the computer wakes from sleep. It doesn't usually occur when the macbook is first connected to the display (this suggests that it is not a problem with the minidisplayport to dvi cable) and jiggling the cable doesn't cause the problem or make it go away. The problem doesn't occur in particular when the computer is hot, it could be cool, after it is woken from sleep. There are no problems on the macbook's built in display.
The flickering is quite dramatic. Dark flashes extend from the bottom of the display sometimes 50% of the way up the screen and sometime 75% of the way up. The frequency is irregular but during an episode the flickers occur about once every one or two seconds, but sometimes there is a gap of 5 seconds. The episode will come to an end if I put the machine to sleep and wake it again (this also suggests that this is not a problem with the cable connection or the monitor).
It is difficult to get support on this issue. Since the problem is intermittent and may not occur for 5 days it doesn't make sense to try to reproduce it in an apple store. I called apple phone support and the technician recommended adjusting the brightness of the display, resetting the pram, moving some files that record configuration data for the external monitor. These didn't help. The technician acknowledged that apple is working on this problem and recommended that I call back if the problem recurred. I called back a couple weeks later and a technician recommended that I buy another minidisplayport dvi connector - to be frank this is an inconsiderate suggestion for a problem with end to end apple hardware - and I don't expect it to solve the problem.
How should I troubleshoot this problem, or get effective help from Apple? Is this a problem with the graphics card?
John

Hello, i have the same kind of issue.
75% of the time, my external screen works fine, otherwise, i need 5-10 plug/unplug/reboot to make it work...
There my windowserver.log from this morning :
Jul 28 09:40:00 [52] Server is starting up
Jul 28 09:40:01 [52] CGXMappedDisplayStart: Unit 0: boot screen
Jul 28 09:40:01 [52] CGXMappedDisplayStart: Unit 0: no display alias property
Jul 28 09:40:02 [52] CGXMappedDisplayStart: Unit 1: no display alias property
Jul 28 09:40:10 [52] AGCAttach: Couldn't find any matches
Jul 28 09:40:10 [52] CGXPerformInitialDisplayConfiguration
Jul 28 09:40:10 [52] Display 0x4272800: MappedDisplay Unit 0; Vendor 0x610 Model 0x9ca0 S/N 0; online enabled built-in (0,0)[1280 x 800], base addr 0x1800000
Jul 28 09:40:10 [52] Display 0x3f003d: MappedDisplay Unit 1; Vendor 0xffffffff Model 0xffffffff S/N -1; offline enabled (2304,0)[1 x 1], base addr 0x1800000
Jul 28 09:40:11 [52] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:40:11 [52] kCGErrorIllegalArgument: Set a breakpoint at CGErrorBreakpoint() to catch errors as they are returned
Jul 28 09:40:11 [52] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:40:10 [52] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, accelerator 0x0000282f, unit 0, caps 0x00000003, vram 256 MB
Jul 28 09:40:10 [52] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, texture units 4, texture max 8192, viewport max {8192, 8192} extensions 0x0000000f
Jul 28 09:41:57 [52] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:41:57 [52] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:42:34 [53] Server is starting up
Jul 28 09:42:35 [53] CGXMappedDisplayStart: Unit 0: boot screen
Jul 28 09:42:36 [53] CGXMappedDisplayStart: Unit 0: no display alias property
Jul 28 09:42:36 [53] CGXMappedDisplayStart: Unit 1: no display alias property
Jul 28 09:42:36 [53] AGCAttach: Couldn't find any matches
Jul 28 09:42:36 [53] CGXPerformInitialDisplayConfiguration
Jul 28 09:42:36 [53] Display 0x4272800: MappedDisplay Unit 0; Vendor 0x610 Model 0x9ca0 S/N 0; online enabled built-in (0,0)[1280 x 800], base addr 0x1800000
Jul 28 09:42:36 [53] Display 0x3f003d: MappedDisplay Unit 1; Vendor 0xffffffff Model 0xffffffff S/N -1; offline enabled (2304,0)[1 x 1], base addr 0x1800000
Jul 28 09:42:37 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:42:37 [53] kCGErrorIllegalArgument: Set a breakpoint at CGErrorBreakpoint() to catch errors as they are returned
Jul 28 09:42:37 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:42:38 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, accelerator 0x0000282f, unit 0, caps 0x00000003, vram 256 MB
Jul 28 09:42:38 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, texture units 4, texture max 8192, viewport max {8192, 8192} extensions 0x0000000f
Jul 28 09:43:24 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:43:24 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:44:16 [53] Server is starting up
Jul 28 09:44:16 [53] CGXMappedDisplayStart: Unit 0: boot screen
Jul 28 09:44:16 [53] CGXMappedDisplayStart: Unit 0: no display alias property
Jul 28 09:44:17 [53] CGXMappedDisplayStart: Unit 1: no display alias property
Jul 28 09:44:17 [53] AGCAttach: Couldn't find any matches
Jul 28 09:44:17 [53] CGXPerformInitialDisplayConfiguration
Jul 28 09:44:17 [53] Display 0x4272800: MappedDisplay Unit 0; Vendor 0x610 Model 0x9ca0 S/N 0; online enabled built-in (0,0)[1280 x 800], base addr 0x1800000
Jul 28 09:44:17 [53] Display 0x3f003d: MappedDisplay Unit 1; Vendor 0xffffffff Model 0xffffffff S/N -1; offline enabled (2304,0)[1 x 1], base addr 0x1800000
Jul 28 09:44:18 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:44:18 [53] kCGErrorIllegalArgument: Set a breakpoint at CGErrorBreakpoint() to catch errors as they are returned
Jul 28 09:44:18 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:44:19 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, accelerator 0x0000282f, unit 0, caps 0x00000003, vram 256 MB
Jul 28 09:44:19 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, texture units 4, texture max 8192, viewport max {8192, 8192} extensions 0x0000000f
Jul 28 09:45:32 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:45:32 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:46:16 [53] Server is starting up
Jul 28 09:46:18 [53] CGXMappedDisplayStart: Unit 0: boot screen
Jul 28 09:46:18 [53] CGXMappedDisplayStart: Unit 0: no display alias property
Jul 28 09:46:18 [53] CGXMappedDisplayStart: Unit 1: no display alias property
Jul 28 09:46:18 [53] AGCAttach: Couldn't find any matches
Jul 28 09:46:18 [53] CGXPerformInitialDisplayConfiguration
Jul 28 09:46:18 [53] Display 0x4272800: MappedDisplay Unit 0; Vendor 0x610 Model 0x9ca0 S/N 0; online enabled built-in (0,0)[1280 x 800], base addr 0x1800000
Jul 28 09:46:18 [53] Display 0x3f003d: MappedDisplay Unit 1; Vendor 0xffffffff Model 0xffffffff S/N -1; offline enabled (2304,0)[1 x 1], base addr 0x1800000
Jul 28 09:46:20 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:46:20 [53] kCGErrorIllegalArgument: Set a breakpoint at CGErrorBreakpoint() to catch errors as they are returned
Jul 28 09:46:20 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:46:20 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, accelerator 0x0000282f, unit 0, caps 0x00000003, vram 256 MB
Jul 28 09:46:20 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, texture units 4, texture max 8192, viewport max {8192, 8192} extensions 0x0000000f
Jul 28 09:46:58 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:46:58 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:48:03 [53] Server is starting up
Jul 28 09:48:04 [53] CGXMappedDisplayStart: Unit 0: boot screen
Jul 28 09:48:04 [53] CGXMappedDisplayStart: Unit 0: no display alias property
Jul 28 09:48:04 [53] CGXMappedDisplayStart: Unit 1: no display alias property
Jul 28 09:48:04 [53] AGCAttach: Couldn't find any matches
Jul 28 09:48:04 [53] CGXPerformInitialDisplayConfiguration
Jul 28 09:48:04 [53] Display 0x4272800: MappedDisplay Unit 0; Vendor 0x610 Model 0x9ca0 S/N 0; online enabled built-in (0,0)[1280 x 800], base addr 0x1800000
Jul 28 09:48:04 [53] Display 0x3f003d: MappedDisplay Unit 1; Vendor 0xffffffff Model 0xffffffff S/N -1; offline enabled (2304,0)[1 x 1], base addr 0x1800000
Jul 28 09:48:05 [53] kCGErrorIllegalArgument: CGXSetWindowListTags: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:48:05 [53] kCGErrorIllegalArgument: Set a breakpoint at CGErrorBreakpoint() to catch errors as they are returned
Jul 28 09:48:05 [53] kCGErrorIllegalArgument: CGXOrderWindow: Operation on a window 0x2 not owned by caller SecurityAgent
Jul 28 09:48:06 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, accelerator 0x0000282f, unit 0, caps 0x00000003, vram 256 MB
Jul 28 09:48:06 [53] GLCompositor: GL renderer id 0x0002260e, GL mask 0x00000003, texture units 4, texture max 8192, viewport max {8192, 8192} extensions 0x0000000f
I had a macbook 3.1 white with external VGA and i never had any issue during 15 months of use (with external screen 5 days per week).

MacBook Air is getting hot when external monitor is connected - restart solves the problem

I have a two weeks old Mac Book Air 11" (128GB / 4GB / i5). Sometimes when I connect it to my external monitor, the FAN is getting loud and the MacBook becomes very warm on the surface near the "F3 button". The activity monitor says CPU is at 0-1% and there's no process that causes any CPU load (I switched to "show all processes" of course). Nevertheless something makes the Mac becoming hot. A simple restart while the external monitor is connected solves the issue completely, temperature and fan speed are instantly decreasing. Is this a issue related to the graphics driver? For me it seems the behavior is caused by the graphics processor rather than by the i5 CPU as activity monitor does not show any process causing high CPU load.
Known issue?
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I was runnig into the same problem. Plugging in to the apple 23" display at work worked well, but when I plugged in my Dell 23" at home the fan started being noisy...
ALTERNATIVE SOLUTION: it seems to me that putting the air to into SLEEP MODE and back solves it as well!!
I will confirm later on.

Crashes when disconnecting external monitors

I switched from a Windows laptop to a MacBook Pro for improved stability and superior sleep behavior, and it is better, except for one glaring exception: frequently when disconnecting an external monitor (using a DVI cable), it crashes by either locking up and requiring a manual restart or by immediately and abruptly rebooting. Has anyone else encountered similar problems and know of the solution?
Here the 2 scenarious:
1. MBP is on & closed & using an external DVI display which I then disconnect -> sometimes MBP crashes & powers-off or automatically restarts
2. MBP is on & open & using both internal & external display & I unplug the external display -> sometimes MBP crashes & powers-off or automatically restarts
The external monitors are Dell LCDs with DVI connectors.
A workaround is to turn off the computer before disconnecting the external display but that is not much of a workaround because that defeats the objective of sleeping the computer.

What are the symptoms when yours crashes/freezes?
I have had my MBP lock up a few times, where the mouse cursor still moves around, but absolutely nothing responds. On the rare occasions when I've had another machine on the network I've been able to log in remotely, so it seems to be only the display locking up, not the entire machine.
I'm not 100% sure, but this seems to happen usually only after I have connected the machine to an external display, so it could be related. It doesn't however happen immediately like it sounds like yours does, usually some hours later.
As an aside, I hooked by old Titanium Powerbook up to an external display several times a week for about 2 years. I never put it asleep to do this, and never had a single problem doing this at all.
TiBook 800, MacBook Pro 2GHz Mac OS X (10.4.5)

Waking computer monitors from sleep causes FCP capture to fail

I'm having trouble capturing DVCam material from an HDV deck (in PAL), using FCP 6.0.3. As I'm doing a long digitize (several hours of material at a time), I like to put my monitors to sleep while capturing. Normally, this works fine (and hasn't caused any problems - I've been doing this for a long time). On this current project, every time I wake the monitors to check the progress of digitizing, it appears to cause FCP & cancel capturing the clip that it is currently capturing.
I've cleared out & reset all of my preferences, zapped the P-Ram, made sure that there is plenty of room on the USB 2.0 drive that I'm capturing the material to (it's a 1TB drive with about 850gb's of material already on it).
Does anybody have a suggestion for me about why waking the monitors would be throwing the capturing process out of whack?
Message was edited by: ZillaB

I've ... made sure that there is plenty of room on the USB 2.0 drive that I'm capturing the material to (it's a 1TB drive with about 850gb's of material already on it).
You're capturing to an 85% full USB2.0 drive ?? I'm betting that when you wake the monitor you're seeing an error ... but not because of the waking of the monitor! FWIW you should always try to keep your drives less than 80% full ... beyond that and you're asking for serious performance degradation. That and of course USB drives are wholly unsuited for video production with FCP. (FCP really doesn't like devices that cannot handle sustained data transfer).
That said, what monitor are you using? How are you putting them to "sleep"? How are you waking them? Exactly is the error that you are seeing .. or is there no error but the capture just stops? Do you lose all the footage captured to that point or do you at least keep the footage captured so far?

New External Monitor for Logic on MacBook Pro - Suggestions

I'm in the painful process of updating my studio and now my large screen external monitor has started failing.
I know if this a pretty general question more suited to the MacBook Pro forum but I'd like some input from folks used to working with an application like Logic in a home studio environment.
I guess the issue for me is that I'm not getting any younger and my eyesight isn't what it used to be. One of the things specific to Logic and music software in general is that there are LOTS of very detailed dialog boxes with text that is not always height adjustable (yes I know about zooming and indeed I do lots of that but it gets quite distracting). The other factor is that I'm often recording and engineering myself which means I'll be sitting with a guitar in my lap or at a keyboard and can't always lean in too close to the monitor.
I solved this by buying a large 26" Acer which sits on my desk behind the Mackie MCU. To my left I've got the MacBook 15.4" Pro on a keyboard stand above my MIDI controller at a 45 degree angle to the desk.
It's worked quite well until the Acer seems to have become haunted. It will mysteriously reboot itself intermittently, going blank for a second, then showing the Acer logo and going back to picture. It will also turn itself on spontaneously when the computer is off (the status light is off and then turns itself on). It seems to detect when I'm in the middle of a really good session and starts resetting itself every 30 seconds or so. Then it will work fine sometimes for days or weeks at a time. I've checked it on 4 different computers, it malfunctions on all. I believe in may be a problem with one of the capacitors or the inverter, I'm not sure, but it's driving CRAZY at this point.
And of course now it's 3 months out of warranty and may be more expensive to fix than buying a new one.
So my issue is what monitor to replace it with. I've considered buying an Apple monitor, since the display is lovely to look at but there are a couple things that are deal breakers.
It's expensive. Very expensive.
Oddly you have to choose between a 24" and a 30", with nothing in between. Don't want to sound like Goldilocks here, but the 24 is tooooo small and the 30 is tooooo big.
Yeah I know bigger is usually better but since they bumped the native resolution of the 30" up to 2560x1600 it's really sharp but things like the menu text get really quite small. Yes you can reset to a lower non native resolution, but then you loose the sharpness. I tested Logic in the store on the 30" and it did look great but I found I actually had to move my whole body around to see things at the top and bottom of the screen.
Oh and did I mention that it's expensive? Jeez.
The 24" now seems to look a bit small to me after using the same resolution (1920x1200) on the Acer's 26" screen. (Ok, I think it's actually 25.5 but hey that half an inch can make a big difference and I will avoid making any bad jokes here).
And did I mention the Apple monitors are expensive? The 24" is almost 3 times as expensive as a cheaper alternative.
I also still have a PC here that I use (sorry) and the Apple monitors have very limited connectivity. So I think unfortunately the Apple monitors are out for me.
So I;m down to a couple other non Apple options. I will not buy an Acer again since I believe now that their quality control is not good and their support is absolutely atrocious. Shame I used to be a big fan of Acer PC's, but after owning a couple I'm steering clear.
My biggest issue right now is that most of the new budget monitors are geared toward 1080p HD uses so they are they are maxing out at 1920x1080 (16:9 aspect ratio instead of 1920x1200's 16:10). So the tradeoff here is that HD movies will look better in 16:9, but 16:10 gives you "squarer" pixels and more vertical resolution for screen hungry apps like Logic.
Any opinions on this? I'm a bit new to the Mac so I don't know if I'm really better off going with a 1920x1200 screen like the Apple monitors.
Also, I know this may just be a bug in the Acer's scaling, but if I switch to 1920x1080, I lose the menus off the top of the screen or if I adjust the vpos I lose the dock at the bottom. Downscaling to 1600x1050 or even 1024x768 works fine. If I get a 1080 screen and set the resolution appropriately will it work correctly and without too much distortion?
I'm also curious what is the best way to hook up the monitor? I'm currently using the DVI to VGA adapter that came with the MacBook. My Pro is the slighter older silver keyboard model so it has the standard DVI out. Will I see any real improvement by going over to using DVI directly?
Also I'm wondering how people feel about glossy vs matte for music. My current displays are the non-glossy and I do think I prefer them for detail work.
The candidates right now are
Hanns-G HH-281HPB 28" @300$. It's one of the only budget monitors that uses 1920x1200. All the right inputs (DVI, VGA). I'm just afraid this might be a bit too good to be true. It's really cheap and after having problems with a "cheap" Acer (although it wasn't so cheap 3 years ago!) I don't want similar problems. Stand has no swivel or tilt (a big problem for my use). Also that resolution on such a big screen might be good for me or it might look grainy I don't know I haven't seen it. Anybody have any experience with these?
Samsung P2770H 27" @339 Looks nice, good color. Sadly only 1080 native resolution. Stand doesn't swivel, but does tilt. No VGA input, so won't work with my old PC (although strangely it says it comes with a VGA cable). They get generally good reviews and I know Samsung makes very good flat panel TV's.
ViewSonic X Series VX2739WM 27" @350. Once again maxes out at 1080. It's fast (1ms), has VGA input. I've never been a big fan of ViewSonic but they do seem to have gotten better color-wise. Tilt no swivel and it's anti-glare (not sure this is a plus).
There are also similar options from HP, Asus, LG and Sceptre but they are all 1080. In fact outside of the Apples, the Hanns-G and a few expensive monitors from NEC they all seem to be 1080. So if I really want the 1200 the Hanns-G seems like the only way to go.
Any input here would be greatly appreciated.

No doubt, the Apple displays are gorgeous. The first time I saw the 30" display wow, I wanted one BAD and it's actually what prompted me to buy a "big" monitor. The colors are great with a rich wonderful saturation level and as usual for Apple the form factor design is stunning. You know for that picture quality I could even get over the sticker shock and save up for one.
Which is why I was so disappointed when I actually sat down in the store and started to use Logic on one. I imagine for doing video work, graphic design or darn near anything else, it would be great. But for Logic I just found myself bending and twisting trying to look at toolbar at the bottom and then up to look at the menus. And instrument or plugin displays that were hard coded to look OK at lower resolutions looked really, really tiny to me. For me and particularly using Logic having 2 slightly smaller displays at a 45 degree angle makes more sense.
And once again the 24 seems just a bit small. I don't understand why they have a 27" iMac but you can't buy a 27" display. So iMac 27" starting at 1699, subtract out the cost of the CPU and drive ie the Mini and I'd really buy one. Strangely you can buy a 21.5" or a 27" iMac. Or you can buy a 24" or 30" display. Hmmmm.
So don't get me wrong I'm not bashing Apple for being expensive. They put a lot of money into R&D and into really thinking about the form and the function of their products. As a recent convert from being a PC developer for 25+ years, hey I've more than sipped the Kool-Aid here, I've guzzled it. They make great products and yeah they're more expensive, because they ARE better! I've now got 2 MBP's, 2 iPods, I'm about to get an iPhone (silly "death grip" or not) and I really want an iPad. Heck I'd really love an 8 core MacPro if I could afford one (alas I can't).
I guess my only gripe here is that there always seems to be a little less choice in the Apple world. Yeah, I know they do a lot less volume than the PC clone world I just think that they always seem to have a big gap between the high end and low end with not enough in between. So you can choose between the lower end and one piece units with no expansion boards (the mini or the iMac) or go straight to monster tower MacPro (way over 3K with display). You can get a MacBook but then you have to put up with a small screen or go with MacBook Pro, which let's face it is a lot of computing power for someone who just wants to web surf and write some email without squinting.
So here I am stuck in the middle. I don't want to buy a HannspreeQG or another piece of junk that's going to last 3 years and 3 months because of a crappy $2 capacitor that no seems to able to fix or care about fixing. I'd like to buy a really nice Apple monitor, I just want a big monitor, not a huge one and not a "medium" one (I know I'm spoiled but 24" seems "medium" these days).
Sorry about the rant here but my monitor is shutting down every 30 seconds and I'm about to go completely insane and toss it out the window!!!
Really glad to hear about that 84' VGA cable. I never imagined such a thing existed or would work without some sort of signal boost on the way. Very cool for me. My electronic drum kit is in another room and I would love to have a small cheap monitor next to it for sequencing. I had my laptop on a stand next to it for a while but I began to get terrified that I'd let a drumstick slip and destroy my laptop screen. That would be a very bad thing. Thanks for the tip.

How do i get the same desktop picture on my external monitor, as on my macbook pro, and get it to stay that way when unplugged?

Everytime I use an external monitor with my macbook pro the desktop picture always changes to the same one as on my external hard drive...how do i get the external monitor to show the same picture as my macbook pro and keep it that way?

Did you download the PC version? There is no DOS in OSX.
Look for the Mac version of AutoCAD.

VGA adapter splitter? 1 external monitor for desktop and macbook

I recently bought the Apple VGA adapter and it works great with my macbook and external monitor. However I use that same external monitor with my desktop PC. It's becoming a pain to constantly unscrew and plug out the VGA cable. So I'm trying to find a VGA splitter that has 2 male ends and 1 female end, but I'm not sure if something like that even exists. Basically I want to be able to use my external monitor with my macbook and pc without having to unplug the monitor's vga cable from my desktop. If anyone can give any suggestions that'd be great. Thanks!

You shouldn't try a splitter cable as you would have interference from the two signals. You need a VGA switch box like one of these.
http://www.cablestogo.com/productlist.asp?cat%5Fid=517&cm_mmc=AdWords-_-07-ALWAYSON-_-vga+switch2_890304021-_-vga+switchbox_Exact%7C-%7C100000000000000134556&gclid=COaNhtKdoZECFReQGgod6HWsNw

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Hi, i recently purchased a lg 23 inch monitor. I used a mini display port to hdmi adapter to connect the display to the macbook. The display settings would not let me choose the native 1920 . 1080 resolution of the lg monitor. Only when using second display instead of mirror function it would work. But i only want to have the monitor display whats on the macbook screen. When in mirrored mode, it would show the resolution of the macbook, and i tried 3rd party applications like SwitchResX and that didnt work. Is it because i was using hdmi, as the macbook only recognised the monitor as a hd tv and not a external display? would it work with DVI cables instead of hdmi?
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I think I know what you want, because I have a similar setup.
Do this: Get a mini-display port to DVI adapter and a DVI cable.
Make sure mirroring mode is off and set the monitors to their native resolution. Under system preferences -> displays preference, select the arrangement tab. Grab and drag the white bar from the top of the smaller blue screen to the larger screen. This will designate the other screen as your main desktop. Now all your desktop icons will be on your LG monitor and your MBP will be an extended desktop.
In my setup, I use the wireless keyboard and trackpad and close my MBP. This only leaves my external monitor as my only desktop.

External monitor ghosting: Samsung TA350 & MacBook Pro 2011

I'm happy with the picture quality, but moving anything around on screen creates a horrible ghosting effect. This is particularly noticeable when watching videos or scrolling text.
Can somebody suggest a solution?
My set-up:
Mac OS Lion
MacBook Pro 13 inch, mid-2011
Samsung SyncMaster TA350, 24-inch external monitor
My connection:
Amazon Basics HDMI/DVI cable
Apple DVI to Mini Displayport adapter
Thanks a lot!

I bought a SendStation HDMI to Mini Displayport cable a couple of hours ago. It didn't improve anything.
It seems like a software/configuration problem.

External Monitor Not Working With Macbook Pro

My computer was working fine with an external monitor, then my computer froze, and I had to hold down the power button. When I turned it back on, my computer would not work with an external monitor. I've tried different cables, so it's not the cable. The monitor is being detected by the computer, but nothing is showen on the external monitor. When connecting the monitor to the computer, the computer's screen goes blue, then turns back to normal. I
I cannot reset the SMC by removing the battery, I do not have the confidence to remove my battery, and do not have the time to send the computer to someone else to do it.
I also tried updating my OS from 10.7.4 (Might've been 10.7.3) to 10.7.5.
My computer is a MacBook Pro (13-inch, Mid 2010), running OS X 10.7.5 Lion.
I need to get this problem fixed ASAP, any help is appreciated.
Kind Regards,
Sergee237

I forgot to mention, I'm connecting the monitor via MiniDisplay -> HDMI. I've also tried USB -> HDMI and USB -> DVI -> HDMI but none of them seem to work.

External monitor damage due to Macbook Pro voltage spike?

I had my Macbook Pro connected to a Panasonic 62" Panasonic LCD TV and the Panasonic suddenly went black and has not come back. I've driven the Panasonic many times with the same Macbook Pro before and there were no problems. My friend says my Macbook Pro must have had a voltage spike that blew out the Panasonic. Is this possible? And if so how do I get it checked out?
Also, there is a smaller external LCD monitor that I've driven with my Macbook Pro that projected fine. But when connected the trackpad on my Macbook Pro became erratic/unresponsive. The same friend who's TV I may have nuked says this problem is also due to my Macbook Pro having voltage spikes...
Anybody know what may be going on here?

I think your friend is trying to get you to buy him a new TV. The TV going out and the computer being connected to it were likely coincidental. If Macbook Pros were destroying external monitors as your friend suggests then there would be more reports and outraged customers. Yours is the first post I've seen suggesting that a TV was destroyed because of a Macbook Pro.

External monitor slowing down my MacBook pro

I recently hooked up a brand new external Acer G205HV monitor to my 15" MacBook Pro (4gb RAM) using the mini display port to DVI adapter from Apple. I have an GeForce 9400M graphics card with 256mb ram. Whenever I have the monitor plugged in it slows down my computer tremendously. When I do not use the monitor, my laptop is back to being lightening fast.
Expose` and the dashboard lag a ton, and basically the internet craps out. I can barely load websites and streaming video has become virtually impossible. I have tried running with the laptop open and in clam mode. Same result. At first I thought I had a virus, which would be very very rare, but after using the laptop without the monitor I realized that the monitor was slowing me down.
The max resolution that I am running the monitor at is 1600x900 @60Hz. The DVI adapter is supposed to support a much higher resolution than this. Is my graphics card the issue? Any help is appreciated. thanks!

I have the same problem with a spring 2008 MacBook (4,1) with 4 GB RAM running 10.5.8. Using a DVI external monitor, the wireless speed drops by at least half and usually more. This is the case whether using a Samsung 2443 BW at home or a Dell at work. I've tried different DVI cables, changing channels from 11 to 1, no difference.
Took it to the local Apple store where they had only a VGA monitor to test with and, strangely, the wireless was unaffected. It was a small ACER monitor, a 15-inch or so, not wide-screen. Have had no other opportunities to try a VGA monitor, as I don't have a mini-DVI to VGA adapter.
But I wonder if there's something there?
Don

Disconnecting external monitor in sleep causes MacBook wake problem

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