HP S2031 Monitor connect to my Mac

I connect a HP monitor using a Mini DP to DVI adaptor. Work one time and after that my mac dont recognize the monitor. There is something that I can do?

Have the same problem with brand new Core i5 Minis. Using the standard HDMI to DVI adapter.

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the computer:Mac Pro, Mac OS X (10.9.5), 2 x 2.66 Ghz 6-Core intel Xeon
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The Mac uses a highly-parameterized universal Driver for every display. The parameters are set at certain times when a query is sent to your display. The display MUST answer with its name and capabilities, or the screen stays dark. A TV set that is off or "not paying attention" because it is set to a different port when the query occurs will rarely answer, and so will often remain dark.
You can use tools in the System Report to see whether your display has been detected at all. If it has, the report will look something like this, but its name will appear:
The times when the query is sent are:
• at Startup
• at wake from sleep
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I have a new Mac Mini connected to an older VGA monitor using the Apple brand VGA adapter. The mini is fully up to date and runs perfectly when booted. However, if I reboot the mini with the VGA monitor connected, it fails to boot. I just hear the faint chime sound every other second. There is no output to the monitor and the only way I can get it to boot is to disconnect the monitor and then power cycle the mini. I can reconnect the monitor just seconds after powering back on and it finishes booting properly.
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Okay, I'm back with good news: I have found two remedies for the problem which will hopefully solve it for you as well.
Given that the issue only occurs when certain monitors are connected, I concluded that the root of it must be a bug in the Mac's firmware related to DDC (Display Data Channel) handling, and that the most promising way to address it should be to just disable the DDC.
Workaround #1: If your monitor has BNC connectors, use a VGA to BNC cable.
In this configuration the DDC pins are not connected to the monitor at all. This did indeed fix the problem - my Mac mini booted without a problem with the monitor connected. However, I was not completely satisfied with this solution, because VGA to BNC cables are usually quite heavy and inflexible, and do no go together well with Apple's MDP to VGA adapter and the Mini Displayport/Thunderbolt port which has no locking mechanism.
Workaround #2: Remove pin 12 of the VGA plug.
Pin 12 of the VGA plug connects the serial data line of the DDC. Pulling out this pin with a pair of needle nose pliers will effectively disable DDC. I hesitated to do this to my cable (a direct MDP to VGA cable which eliminates the need for a separate adapter dangling from the Mac) and therefore bought a tiny VGA male to female adapter (also called port saver, e.g. Delock 65250) to perform the surgery on that. This has done the trick and my Mac mini has started up fine ever since.
Of course, without DDC the Mac won't know the model name and capabilities of the attached monitor and thus offer some resolution and frequency settings which the monitor may not support, but that's a small drawback compared to having to pull out the monitor cable everytime you turn on or restart your Mac.

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Contentmom6 wrote:
Brand new Mac user help please! How do you connect a 17" monitor to the MacBook? I have the monitor plugged into the Mac, but the F8 that I am used to with PC does not work.
Normally, you just connect the monitor to the MacBook using a VGA adaptor that you can buy from an Apple Store. Now try System Preferences > Displays > Detect Displays. You should now be able to select a display mode for the monitor. If it still doesn't work, then I'd check that everything is properly connected. I've had problems with colours disappearing due to a faulty connection in the VGA adaptor.
Bob

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Hi,
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Appleguy

Okay,
I have my macbook pro hooked up with a external monitor, would i be able to put a webcam on that monitor and use the 2nd webcam through macbook.
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appleguy96

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Yes. You can use the thunderbolt ports with either DVI or HDMI adapters to connect the screens to.
http://store.apple.com/us/product/HFQL2VC/A/moshi-mini-displayport-to-hdmi-adapt er-4k
http://store.apple.com/us/product/MB570Z/B/mini-displayport-to-dvi-adapter
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I would like to keep the mac mini connected to my tv in the living room, and use a bluetooth keyboard/mouse.
At the same time, my wife would like the ability to use the macmini in the basement office (one level lower than the living room).
Therefore ideally, I would like to have a permanent monitor etc downstairs connected to the macmini - my wife (understandably) won't be willing to disconnect and reconnect the mac mini every time she needs to work downstairs!
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There is no inexpensive method for connecting a remote monitor wirelessly to a Mac mini. The range of Bluetooth probably won't allow reliable use of the keyboard and mouse downstairs. You would in all cases be better off just buying a second Mac mini for your wife's use, since you are already having to buy a second keyboard, mouse, and monitor anyway.

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I am trying to connect my old mac desktop and my mac book pro to my new mac desktop to use as monitor but it will not work??

I am trying to connect my old mac desktop and my mac book pro to my new mac desktop to use as monitor but it will not work??

Hi ashleydanc588,
If you are interested in more information on using an iMac in Target Display Mode, including what machines are compatible, you may find the following article helpful:
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http://support.apple.com/kb/ht3924
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Open the Quicktime control panel, and click the Audio tab. Make sure the "Channels" pulldown matches your current speaker setup.
Also, in the "Sounds and Audio Devices" control panel, on the "Volume" tab, click the "Advanced" button under "Speaker Settings". Make sure the Speaker setup pulldown matches your current speaker setup.

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Hello all - I have a Mac Mini which I am trying to connect to remotely. I don't not have a screen for the mini, but am attemping to connect it to a flat screen LCD monitor/TV thru HDMI. Problem is the screen doesn't seem to recognize the resoultion which has been set for the Mini (it used to be used with an Apple Monitor, so the resoultion settings are probably to high for the LCD).
Here's the bigger problem: I would like to connect to the Mini via screen sharing, but it was configured to join a different network.   I tried hooking it up directly to my network via the ethernet, but no luck.
So now I am in the frustrating position of being unable to connect, unless I go buy an expensive video adapter.
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What you probably have to do is changing the resolution, which is of course hard to do if you have no access, or rather cant see what you are doing.
For remote access you have to make sure that in 'System Preferences -> Sharing -> Screen Sharing' is activated. There it will also tell you the VNC IP to connect to the Mac. Then you can usually connect form the same network without any issues.
Do you still have the default adapter to connect it to a regular monitor to tinker with it?
The only cheap alternative would be going to amazon and getting a third party adapter for cheap.
I know a lot of people have issues with those adapters though (I'm an IT admin for a callcenter and we have 60 Mac Minis running and all of them have a cheapo ($4) 'Thunderbolt to DVI' adapter so the agents have 2 displays and all of them have been working for half a year just fine so far).

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The Mini-DVI to DVI adapter is designed for the iMac (Intel Core Duo), MacBook, and 12-inch PowerBook G4 — allowing you to connect to an external DVI monitor. It can also be used in combination with the Apple DVI to ADC adapter to support older Apple flat panel Studio or Cinema Displays.

HP S2031 Monitor connect to my Mac

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