Connecting a second monitor to imac?

I have two 20" Mac displays. I want to connect one display to a new iMac I just purchased. How can I do this? They worked great with the G5 I had.

If these are external displays you can connect via:
MiniDisplay Port to VGA adapter OR
MiniDisplay Port to DVI adapter
You need to look and see what inputs the old displays have, if they have either VGA, DVI, or HDMI (I seriously doubt they'd have that) then you need one the above adapters. These are available from your local AppleStore, online Apple Store, or Apple Reseller.

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How to connect a second monitor/TV to HP ENVY Beats All-In-One

Hi, I was wondering if anyone could tell me if it is even possible to connect a second monitor to the HP ENVY Beats All-In-One Desktop PC, because I'm trying to connect my TV as the second monitor through HDMI and I've tried everything that I could, but have come up empty handed?
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Hi,
What is the model/product of your AIO machine ? I many cases, you can't use HDMI port to connect to a TV because it is HDMI IN port. You need USB - HDMI converter/adapter to connect to a TV (or monitor).
Regards.
BH
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I am trying to connect a second monitor on my system so that I have one to work on and the other that I am projecting. Any ideas on how to do that?

I am trying to connect a second monitor on my system so that I have one to work on and the other that I am projecting. Any ideas on how to do that?

connect, then in SystemPreferences/Displays you can set the two as you want.

Can I use the HDMI out on a HP ALL IN ONE TOUCHSCREEN Desktop to connect a second monitor with HDMI

Can I use the HDMI out on a HP ALL IN ONE TOUCHSCREEN Desktop to connect a second monitor with HDMI in without any additional software or graphics adaptor. I have a 520-1070
HP - 23" Touch-Screen TouchSmart All-In-One Computer - 8GB Memory - 2TB Hard Drive ? I used a HDMI to HDMI cable and the monitor was not recognized.

Here are the specs for your HP TouchSmart 520-1070 Desktop Computer. As previously stated your computer Doesn't have a HDMI output, instead it has a HDMI input. This is designed to let you connect a game console, a DVD/Bluray player, etc. to use as a monitor.
If you wish to conect a second monitor to your computer, you will need to use a USB-to-video adapter such as the EVGA UV Plus+ UV39 or EVGA UV Plus+ UV19. Using an adapter like these with the touch feature of your computer may cause issues with pointer control and you may need to disable the touch feature to use "extended desktop".
Frank
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How do you connect a second monitor to a MacBook Pro

i am wanting to connect a second monitor to my MAC so i can have 2 of my pages showing at the same time. how do i do that?

I am pretty sure the MacBook and MacBook Pro only supports ONE external monitor of any description, even though the cabling will support two.
The short story, that Courcoul has alluded to but not stated, is this:
All you need is an Adapter. All the software to do elegant multiple display work is already in place in your Mac, and will be activated automatically the moment you plug it in. Nothing to Install, no settings to change. Just plug in the display.
The default mode is Extended Desktop, where the one-monitor desktop is enhanced by having the area of the second display appended to its right side (or any other side you specify). The mouse moves freely from one display to the other, and can drag windows with it, which can be resized on the other display. You can even drop things so that half is on each display, and they will scroll and update "the right way".

I have connected a second monitor and I want to be able to close my macbook lid. How can I achieve this? please

I have connected a second monitor to my mac Book Pro, I now want to be able to close the lid of the mac Book Pro, when I do so it switches off the screen? how ca I close the top of the Mac book and leave my second monitor active please?

Use the link that Bob provided - and make certain that you have an external mouse (well, or Magic Trackpad - it's just wonderful) and Bluetooth or USB keyboard available.
I run in clamshell mode 90% of the time now - just take my MBP off the desk to travel around the house that other 10% of the time...
Clinton

Is it possible to connect a second monitor to this PC

Is it possible to connect a second monitor to this PC and if so how o I do that?

Hello @southwater,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand you are looking to see if you can connect a second monitor to your computer and require assistance. I would be happy to assist you, but first I would encourage you to post your product number for your computer. I am linking an HP Support document below that will show you how to find your product number. As well, if you could indicate which operating system you are using. And whether your operating system is 32-bit or 64-bit as with this and the product number I can provide you with accurate information.
How Do I Find My Model Number or Product Number?
Which Windows operating system am I running?
Is the Windows Version on My Computer 32-bit or 64-bit?
Please re-post with the requested information and I would be happy to provide you with assistance. Thank you for posting on the HP Forums. Have a great day!
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How to use Macbook Pro 17" as a second monitor for iMac?

I have a new iMac with Lightning connector and USB. And I have a Macbook Pro 17" with Firewire and USB. Is there a way to connect the Macbook Pro to the iMac and make it into a second monitor for my iMac?
Thanks!

Your welcome, wish I had better news. You may want to look over Apple's FAQ on the subject (Target Display Mode) you can find it by clicking http://support.apple.com/kb/ht3924

Second monitor on iMac not working with Lion

I have a mid-2011 Thunderbolt 21.5" iMac. A secondary monitor is connected to the iMac with a Mini DisplayPort-to-HDMI cable (a single cable, not an adaptor and cable).
When I was running Snow Leopard, the monitor worked just fine. After upgrading to Lion, the second monitor just has a black screen, and quickly goes into power save mode.
I have already tried resetting the NVRAM (as described here: http://support.apple.com/kb/HT1379) and resetting the SMC (as described here: http://support.apple.com/kb/HT3964).
Has anyone seen this problem? Any other suggestions for solutions?

same here, just performed the upgrade to Lion and my secondary Samsung screen (direct HDMI cable) do not work anymore (I have a mid 2011 iMac 21.5'').
I have tried the tricks mentioned on the following discussion:
No Signal on HDMI TV After Lion Upgrade
ie open terminal
cd /System/Library/Displays/Overrides/DisplayVendorID-410c/
sudo mv DisplayProductID-0 DisplayProductID-0.old
Reboot after entering the commands
But it is not working, the developper clearly messed up the video output in Lion OS!!!
Let me know if you have a solution, I am reduced to single screen use in the meantime... and regret the upgrade...
Thanks

Connecting a second monitor to a iMac27

I have a problem with my new iMac27 displaying through a second monitor.
The second display monitor is a Samsung Syncmaster 225BW.
I 'm using an Apple Mini DisplayPort to HDMI Adapter cable out of the iMac and connecting to the second display via an HDMI cable to a DVI-HDMI adaptor.
When I go into Monitor Settings it shows the second monitor okay but there is no display showing on the Samsung monitor.
To test the cables and setup I connected the same cable setup into my MacAir laptop and the display shows up okay on the second monitor confirming there is nothing wrong with the connectors.
Can anyone kindly help?

for me this almost sounds like it could be a damaged mini display port on your imac. normally attaching a second monitor is just plug&play. and since you say OS X is correctly recognizing the display, this could be MDP/graphic card issue. is the imac still under warranty? if so, you might wanna call the apple support and if they know nothing then you will probably have to give your imac into repair

Losing connection to 2nd monitor when iMac sleeps

I have a 2nd monitor connected to my 21" iMac (late 2013) with Mavericks via displayport/thunderbolt port to HDMI. I had the same one with the same link connected to my old 2010 Macbook Pro, and I never saw this.
What happens is when the computer goes to sleep, all of the windows on the second screen move to the iMac, and my Wacom tablet even goes from being mapped to ONLY my second monitor to being only mapped to the iMac!
This is kind of driving me crazy, and I have searched and Googled and just can't find a solution.
Any ideas would be rad. Thanks.
David

Try a reset > Mac OS X: How to reset the printing system

Connect a Professional Monitor to iMac

I am color correcting a movie I made and I need to connect a Professional CRT Monitor to my iMac. How do I do this? Most CRT Monitors connect via BNC cables. Is there a way to connect to my Mac with a converter? If not what other connections do I need to look for? I work at a TV station and I can borrow just about any monitor imaginable. But the CRT ones are sitting around.
Thanks,
cja

The +iMac (Flat Panel)+ 700/800MHz can only output VGA (15pin D-Sub). The +iMac (Flat Panel)+ 1.0GHz/1.25GHz can output either VGA or S-Video/Composite Video. All of which require a $19 MiniVGA adaptor from the AppleStore. Without a firmware hack the +iMac (Flat Panel)+ can only mirror the internal display exactly so you don't gain much advantage in connecting a second display. The firmware hack doesn't work on the 15" models.
As well as the Apple MiniVGA to VGA adaptor you'll need a VGA to BNC cable like this:
http://www.cablesnmor.com/vga-to-5-bnc-cable.html
mrtotes

Adding second monitor to iMac and screen resolution

I want to get the converter to plug my 17 inch IBM SVGA monitor into my iMac. The IBM monitor is quite old (one of the first 17 inch IBM color monitors I think). I understand what converted to buy so I can plug it into to iMac. I have no idea what resolution is possible on the IBM. Is this a concern???
I probably will upgrade to a current flat screen for the second monitor later but would really like to try this and see if 2 monitors at home is useful or not.
Thanks!

I assume (based on the computer information attached) that your imac is less than one year old? Silver color? If so, you need to find out what connection this other monitor has. Could be one of two - VGA or DVI. If you have a cable for this other monitor already bring it with you to the store if possible (not ordering of the internet). Your imac can produce a variety of resolutions so I would not be concerned about that especially with a 17" monitor.
Could be two possible connectors - mini dvi to vga (probably based on the info you provided) http://store.apple.com/us/product/M9320G/A
Or mini dvi to dvi http://store.apple.com/us/product/M9321G/B

Is anyone else experiencing problems with the thunderbolt port on their Mac Mini's regarding using it to connect a second monitor? I've got the Mini Display Port to DVI-D adapter along with a DVI-D cable and I can't get an image on the second monitor.

I had an dual display image / setup working twice for a few seconds, but then it cut out. I think there may be a problem with the thunderbolt port.

As far as I can tell you have only listed that you have a DVI monitor connected to the Mini Displayport socket (i.e. the Thunderbolt socket) via presumably the Apple Mini Displayport to DVI adapter and a DVI to DVI cable.
You don't appear to have listed what the second monitor is and how it is connected (even though not working). As such I cannot tell what may be wrong.

DVI connection to second monitor doesn't work

When I had the connection from my Mac Pro to my two monitors (20" Cinema display and 19" Princeton monitor), I had the black screens for a few seconds for both monitors then return to normal. It happens anytime. I read the forum and changed the VGA cable to connect the 19" Princeton monitor and now both monitors work fine.
Do I have to live with the VGA cable option or anyone know how to utilize the DVI connection capability of Mac Pro please help?
Mac Pro Mac OS X (10.4.8) 2.66 GHz, 20" Cinema Display, 19" Princeton Monitor

Hi Joe,
I tried to locate the right slot (x16) by going to
Expansion Slot Utility and changed from #1 to #2. It
showed my configuration of the PCI card now is x16 or
fully speed.
The problem is still the same with DVI connection to
two monitors. Any other suggestions would be
appreciated.
Mac Pro
Mac OS X (10.4.8) 2.66 GHz, 20" Cinema Display,
19" Princeton Monitor
I'm fresh out of idea's. I assume that your card is a 7300GT, correct? I had an out of the box failure with mine and Apple replaced it. I was lead to believe that there were quite a few failures with the card. Interesting, they didn't even want the old one back.
I'd go the Applecare route next and see what they say. FYI, I have two of these running three monitors (all apple flat panels) all on DVI connectors.
Joe

Connecting a second monitor to imac?

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