Intel Mac :: External Display Impact On GPU?
Jun 25, 2012
I have an early 2006 Intel iMac 17" with a Core Duo 1.83 GHz processor and the 128MB ATI Radeon X1600 GPU. I am planning on adding an external display to my iMac, probably a Dell Ultrasharp 23" with a resolution of 1920 x 1080. What I want to know is, what impact will running an 2nd display have on my iMac's frail and poorly cooled GPU?
At present, my GPU runs at around 45-50 C idle, and 60-65 C under gaming use. I have been considering opening my iMac again to clean all the dust out and renew the thermal paste on the GPU but simply haven't gotten around to this just yet. If the GPU is likely to run much hotter if a display is connected?
Info:
Mac OS X (10.6)
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Mar 13, 2012
Based upon my inability to update my iPad2 with its latest iOS 5.0.1, I was encouraged to and did change my DSN preferences in system preferences to the two Google ones (8.8.8.8 and 8.8.4.4). I think what I replaced were the original preferences put in place by my Internet provider, Charter.net. Are there adverse consequences of changing the DSN, and should I change them back to those placed there originally?
Info:
Mac OS X (10.6.8), Safari 5.1.2, iPhoto 9.2, iTunes 10
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Feb 10, 2012
I have a 21.5" Mid 2011 iMac and a 24" Mid 2007 iMac. Is there any way to use one of them as an external monitor for the other?
Info:
Intel iMac, Mac OS X (10.6.6)
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Feb 1, 2012
I have a 500gb Verbatim external drive that I can't see in Finder. I've tried to restart, but with no luck.
Info:
iMac, Mac OS X (10.7.2)
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Feb 4, 2012
I'm using a mini display-port to hdmi lead and it worked once. I unplugged the hdmi cable when it was still connected to the mac and now it wont find it.
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3)
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Apr 18, 2012
I recently plugged my MacBook Pro back into my external monitor and half the dashboard display was blurry and seemed to use a lower colour resolution (they colours appears bold and limited). Only a portion of the widgets appeared liked this. After restarting the Dock, all of the widgets have this appearance. Short of rebooting my computer (which takes time out of my work)
Info:MacBookPro, Mac OS X (10.7.3)
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Jun 16, 2012
Can i use my iMac 21.5 as an external display for my Windows based pc?
Im look for a wired solution, not a airport or even using internet programs like VLC
Info:
iMac, Mac OS X (10.7.4)
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Mar 26, 2012
I'm using 2 IMac 27' and one is simply used as an external display. When I wake up the computer from sleep, it works on the main monitor, however the external display still has a black screen. I have to unplug the external monitor to get it to wake up. I tried unplugging thunderbolt and replugging it in which worked the first time, but same issue again not waking up.
Info:
iMac
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Apr 7, 2012
why can't i turn down the monitor brightness in target display mode? volume keys and cmd-f2 works as described, but brightness keys do nothing?
Info:
iMac, Mac OS X (10.7.3)
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May 10, 2012
I would like sometimes use my PC and I would like to use 2010 iMacs display as my PC's display.
Info:
iMac (27-inch Mid 2010)
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May 14, 2012
I have a 2.93 GHz Intel Core 2 Duo (24" early 2009) iMac running OS 10.7.3 (Lion) to which I have connected an Apple Cinema Display as an external monitor using a Mini Display-to-DVI adapter. The iMac is set to 1920 x 1200 resolution and the Cinema Display is at 1680 x 1050, and everything looks great until I turn on mirroring. When I do this, the iMac screen loses its nice crisp screen resolution, but the Cinema Display still looks fine. Strangely, the pull down menu for displays in the menu bar still claims that the iMac is at 1920 x 1200 and the Cinema Display is at 1680 x 1050, but I don't think this is the case. Is there any way to keep the iMac at the higher resolution while mirroring?
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Nov 30, 2014
I was told that the new 5k imac can support one external 4k display via thunderbolt, but the 5k imac cannot itself be rotated into portrait mode (on a vesa mount for example). If I connect an external 4k display via thunderbolt to the new 5k imac, can the external display be rotated into portrait mode so I can have 3840 pixels vertically on the 4k display?
Info:
iMac with Retina 5K display, OS X Yosemite (10.10)
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Jun 17, 2014
I have a samsung display and I can see the cursor, but nothing i drag and drop over there is showing up. if I drag a tab over, I can see the cursor but not the page, just blackness
Info:
iMac, OS X Mountain Lion (10.8)
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Feb 23, 2009
I am giving my old G4 iMac 20 (OS X 10.4.11) to a relative and have transferred my files; cleared caches, passwords, etc. and setup selected apps, iTunes songs, and iPhoto pictures for the new user. In order to conclude this iMac transfer, I have several questions:
When I change the Mac account to the new user and make her the administrator, what impact on the settings, iTunes songs, iPhoto phones, etc. whenever I delete my account/administrator?
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Oct 15, 2008
I did not pick up yesterday on the fact that Apple switched to a 45nm processor. This could have a dramatic impact on heat, especially with the new GPU!
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Jul 15, 2009
I am curious to know if L2/L3 cache impacts the performance of a macbook being used for Design and Drafting purposes. Of course this involves retrieving and real-time changes that will be made on a server and/or the macbook itself. Secondly, how significant will the functioning depend between a 3mb and a 4mb L2/L3 cache?
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Dec 3, 2010
I would like to use Netflix to watch a few tv shows or movies on my Air, but in order to work, I need to download this plug-in. Does anyone know how this will impact battery life? Does the plug-in only run when needed or will it always be running in the background?
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Jan 10, 2009
my internet connection got extremely slow. I thought it was because our ADSL modem was acting up, so I restarted it several times. That didn't help at all. I didn't really need a fast connection until today, so I started digging to see if I could find where the problem was. Well, it turns out it's with the AirPort Express base station. Base stations, actually, as I have three. I couldn't get a good reception in the back of our house, so I bought a second that's used in the living room, which I now have connected to my stereo. AirTunes is very nice, as I found out. I also wanted to connect a printer wirelessly, so I bought a third AirPort Express to go in the back of the house (as that's where I put the printer).
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Sep 4, 2014
My external display (HP w2207) seems to conflict with my MacBook Pro (15 inch Retina display, early 2013) since I upgraded MacBook OS to 10.9.4.The external display works at initial boot of Mac but does not work after OS sleeps and I attempt to awaken, and while the external display is not waking, the Retina display flashes through different screen views, which only partially reflect my normal screen, or do not reflect my normal screen at all.Â
Info:
OS X Mavericks (10.9.4)
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Dec 1, 2014
I have a new 27" iMac retina display. Is there any way to use it as an external display (since it does not support Target Display Mode)?
Info:
iMac with Retina 5K display, OS X Yosemite 10.10.1
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May 22, 2007
For the past few months i have been using an external display hooked up to my 12" powerbook g4. I have had it on a dual display mode so no mirroring. Recently i would open the laptop lid waking it from being in sleep mode and my internal display will not turn on. The apply system profiler does not even recognize that the internal display exists. My external display works fine and has always been set as the main display. If i go to detect displays nothign happens. I have tried restarting the computer, instering system disks, unplugging the external and nothing has worked. I simply cannot get my internal screen to fire back up. When i used to unplug my external display the internal display would switch back to being the main display and everything would be fine. Now i cannot get the internal display to function whatsoever. Please try and help me as a need this laptop working and i will be ordering a mac pro soon for use with my external display.
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Jan 23, 2008
Just wondering if anyone could help me figure this out.
I have my 40" flat screen plugged into my imac via VGA cable to mirror the image.
I'm just trying to have the imac display sleep while I play a movie full screen through the external TV.
I've tried two different ways but both have failed.
1-I set up a hot corner in the imac to sleep display but this results in both the display and the TV sleeping.
2-I just set the power settings to sleep after 1 minute. This works but then If a movie is playing the computer won't go to sleep.
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Dec 12, 2008
I have a Macbook Air, and i just picked up the new LED ACD from my local apple store. Since im new to mac, is there a way to either close my Air and not have it go to sleep? I want to use the external display as the primary display with my laptop closed, any ideas?
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Apr 25, 2009
I am about to buy a new 24" iMac. I currently have a Dell 2408WFP 1920*1200 display which I would like to use as a second display for the iMac.
Which Mini Dislpayport to DVI adapter do I need? Single-Link or Dual-Link?
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Oct 26, 2008
I have a question about using dual displays with my new macbook. The basic issue is this:
1: plug in second display and setup dual monitor support to use the external hi-res display and the macbook's display (no problem here).
2: drag windows to the external display and resize to use (no problems here either).
3. Power down and disconnect the external display.
4. Start up the macbook without the external display and try and open up a program that I was using previously on the external display. The problem is that it is resized and positioned for the external display and is now off the screen of my macbook display and I can't directly get to the title bar to move it or the resize corner to resize it.
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Jan 13, 2010
I just purchased a 23" monitor to replace my iMacs 17" display (since it has a nasty crack in one of the corners). I hooked it up fine and all, but the displays are linked, allowing me to hover the mouse to the iMac's display which I find annoying most of the time.
Is there a way to make the iMac display zone out and just use the external by itself?
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Nov 10, 2009
I'm interested in the new iMac but could not work with a glossy display. Can anyone share their experiences of using the iMac with an external display? In one respect it seems like a waste to have two monitors but the base model costs little more than the maxed out Mini and seems like the better option.
I would be interested in seeing photos of any setups featuring the iMac and an external display.
Also, is there a way to turn off the iMac display when using an external display?
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Jun 19, 2012
While using Google Sketchup and several other prgrams concurrently my macbook air cpu heats up substantiall. I like keeping the air "open" to allow for maximum heat disipation but of course this keeps the air screen on while I only want to use my external monitor. Is the only way to turn of the air screen turning down the brightness and using the "Mirror Display" option or is there another setting which alows my to utilize only the external display while the screen is open on the air?
Info:
MacBook Air, Mac OS X (10.7.4)
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Feb 27, 2009
I have a Macbook Pro 2.16 Core Duo, and I'm wanting to install 10.6, but about a year ago, I cracked my screen to the point that I cannot make anything out on it, and haven't replaced it. Instead, I have just been using it in clamshell mode, which has worked out fine so far. My problem is that I cannot get the 10.6 install to show up on my external monitor.
I searched around, and could only find one other similar thread that just ended with the author putting it in clamshell and having it work fine. When I boot to the install and close the screen, I just get a grey box on my external display with a black bar on either side of it. I can't seem to find any other resources, so I'm not entirely sure what to do at this point. Any help would be greatly appreciated.
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Apr 5, 2010
i'm hoping someone can help me out on this little problemmy usual set up is a pair of speakers connected with jacks via an m-audio usb audio interface, with an external monitor connected via mini-dvi to dvi.now for some reason my audio interface has randomly broken (on a side note, could a power cut have somehow broken a usb peripheral connected to my macbook whilst it was asleep?) so i've hooked up my speakers to the line out to rca. Now for some reason, when i plug the mini dvi connector into my macbook i get an incredible amount of hum. not just a little, alot!
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