Improving screen image on Samsung Syncmaster Monitor connected to MBP

I struggled to remove the fuzziness from the picture displayed on my Samsung Syncmaster XL2270HD Monitor from my 2010 MacBook Pro. They are connected using an iWires DVI to HDMI cable. Then I found a contribution from ROLNAS2 from 2 years ago and a variant of the suggested solution works well for me:
On the Samsung monitor control hit MENU and then select:
Input > Edit Name > HDMI and set the detail to HDMI and DVI PC.
Thanks ROLNAS2.

Just a thought,
Come to think of it, I've seen this issue when a display isn't getting enough power from the graphics card. - Does your Apple display work if as a single monitor attached to the Mac Pro?
If the screen is black, it could also mean that there is no supported resolution for the monitor provided by your video card, this could also explain why your Mac still registers a connected display. - Have you tried different resolutions and/or bit rates.
Regards,
Peter.

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Hi alangium,
Welcome to the Support Communities!
Resetting your computer's PRAM should restore your Macbook Pro's screen appearance.
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http://support.apple.com/kb/HT3382
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I have recently bought a Macbook 15" retina. I already had the Samsung monitor display. (syncmaster 2333HD).
But when I'm connecting them with the thunderbolt to HDMI converter, I get no display on my Samsung display, nothing.
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I'm having the same problem.
Here's what's happening on my end:
Macbook Pro Retina 15" is suppose to 'Plug & Play' easily to Samsung 23" Monitor (syncmaster 2333) using thunderbolt to DVI cable.
This monitor only offers a DVI and VGA ports.
Also, tried using the rMBP's HDMI cable to HDMI-DVI adapter in the Samsung monitor. (same symptoms as with other cable)
rMBP's screen shows blue for a moment when the cable is removed or connected from computer port then goes back to normal screen.
Samsung Moniter's blue power light on the bottom edge of the screen blinks at 1 sec intervals (so power isn't an issue)
After pressing the "Menu" button on the side of the monitor a "test good" message displays in the top left corner for a moment then goes blank. (actual monitor menu does not show)
After pressing the 4th button from the top (looks like a back arrow or return arrow icon) it seems to switch from digital to analog (I think) and a floating message displays "Check Signal Cable" with a red, green, and blue box and "Analog" in the floating box. During this the monitor's blue power light on the edge of the screen is a steady solid blue not blinking anymore.
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I have tried to connect to a Samsung 46" HDTV via HDMI to HDMI port and that works wonderfully yet isn't practical for my desk set up. Just glad to know that something actually worked and I'm not cursed.
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Cathy

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Hello all.
I have been happily working with my MacMini mid-2011 (2.3Ghz Intel Core i5, 8GB RAM) with a Samsung Syncmaster B2440 HDMI-connected to it for a long time.
Since the upgrade to Mavericks and later to Yosemite, the following problem occurs: when switching the monitor off, and later switching it back on, no video signal is sent to the monitor, which remains blank and tries to switch through all its different inputs. Unplugging the hdmi cable and plugging it back in also gives no joy. It looks like the whole video output services are switch off at OS level or something.
The only thing I can do to get the monitor on, oddly enough, is to connect to the mac mini through a remote desktop from another device, and switching the display to my AppleTV. This action does switch also the Samsung monitor back on.
So I then thought, great, I will create myself an apple script and a workflow associated to this AirPlay monitor switch and associate it to a keyboard shortcut, but this does not appear to work either (no, the shortcut is not in conflict with any other global shortcut).
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Hi lllass.
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hey ct-user,
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I have a 27" Viewsonic 1080p monitor connected to an oldish Mac Pro with an ATI Radeon X1900 XT Graphics card. The problem is that the image does not fill the screen?!?!?

I know the image can fill the monitor, because at start up, the white Apple logo screen fills it up. But once the system starts up, there are bands of black framing the image. I have searched extensively on the internet and found the following clues, none of which solved the problem:
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Intel(R) Graphics Media Accelerator Driver for Mobile Report
Report Date:        09/03/2008
Report Time[hr:mm:ss]:    07:25:18
Driver Version:        6.14.10.4860
Operating System:        Windows XP* Professional, Service Pack 2 (5.1.2600)
Default Language:        English
DirectX* Version:        9.0
Physical Memory:        3062 MB
Minimum Graphics Memory:    8 MB
Maximum Graphics Memory:    224 MB
Graphics Memory in Use:    11 MB
Processor:        x86 family 6 Model 14 Stepping 8
Processor Speed:        1662 MHZ
Vendor ID:        8086
Device ID:        27A2
Device Revision:        03
*   Accelerator Information   *
Accelerator in Use:        Mobile Intel(R) 945 Express Chipset Family
Video BIOS:        1313
Current Graphics Mode:    1024 by 768 High Color (60 Hz)
*   Devices Connected to the Graphics Accelerator   *
Active Notebook Displays: 1
*   Notebook   *
Monitor Name:        Plug and Play Monitor
Display Type:        Digital
Gamma Value:        2.20
DDC2 Protocol:        Supported
Maximum Image Size:    Horizontal: Not Available
            Vertical:   Not Available
Monitor Supported Modes:
640 by 480 (60 Hz)
800 by 600 (60 Hz)
1024 by 768 (50 Hz)
1024 by 768 (60 Hz)
Display Power Management Support:
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    Suspend Mode:    Supported
    Active Off Mode: Supported
*   SDVO Encoder Report   *
** Encoder 1 **
Vendor ID:    Chrontel
Device ID:    60
Device Revision:    6
Major Version:    1
Minor Version:    1
* Other names and brands are the property of their respective owners.

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Hello,
I can't install the monitor driver and am therefore going nowhere.
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Improving screen image on Samsung Syncmaster Monitor connected to MBP

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