'Wow, I'm surprised; I thought that would only happen with really old monitors. Can you tell us the make and model of the monitor?' I have a Viewsonic VX2770 that's about 2.5 years old, and (when connected via HDMI) it does the same thing. That is, my late-2012 Mac Mini 'sees' it 'as a tv', and NOT as a 'computer display'. There were no problems with sharpness, but I wanted to 'force' RGB color, as well.

After a couple of failed attempts (the instructions are a bit vague), I got it to work. Of interest is that if I go to the Displays preference pane, it now identifies as 'Display with forced RGB mode (EDID override)'. How to save space on mac. I will -guess- that the 'EDID' function (does this mean 'external display ID?' Gets confused when a display is connected via HDMI.

Computers How to set up multiple monitors with your Mac. With just a few minutes of your time and the appropriate accessories, you can connect an extra display to your Mac and increase your. Dual-link DVI and HDMI 1.4 can go much higher, but I don't think that particular monitor supports HDMI 1.4. To run at its native resolution you'll have to use DL-DVI or, if it's available, DisplayPort.

I have a pair of Dell S2340L monitors both connected by HDMI (one through a mini Displayport-to-HDMI adapter) and the Dell monitor OSD (On Screen Display) on both monitors says they are running with Input Color Format YPbPr. They run fine with YPbPr, so I probably don't need to change that format. When I set the monitors to Input Color Format RGB the colors are all messed up, for example white is changed to green. I noticed recently on the OSX Menu bar selection for Airplay the settings both my monitors are labelled as Connected TV which I have been wondering about. I think before OSX El Capitan the monitors were just labelled as ordinary displays but I may be incorrect about that. Click to expand.Are you interested in the S2415 or the S2415H?

I like my U2515(H) for photo editing but. This U2515H is not a glossy finish monitor. It is big and beautiful with plenty of adjustments and other Dell Ultrashrarp features but this monitor has a light matte finish on the screen. Have you checked that monitor listing that Fishrrman posted? The S2415H seems like a nice glossy option for you.

If it matters, the cost is less than ½ of the price for its 25' cousin. Note: Some Amazon reviews indicate that the S2415H lacks a height adjustment. It also appears to have a different port configuration than the Ultrasharp series monitors. While the U2515H has DP, mDP, and HDMI inputs as well as one DP output, the S2415H has HDMI and VGA inputs. I suppose that the analog input feature helps if you want to use this display with a legacy computer. Are you interested in the S2415 or the S2415H? I like my U2515(H) for photo editing but.

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This U2515H is not a glossy finish monitor. It is big and beautiful with plenty of adjustments and other Dell Ultrashrarp features but this monitor has a light matte finish on the screen. Have you checked that monitor listing that Fishrrman posted?

The S2415H seems like a nice glossy option for you. If it matters, the cost is less than ½ of the price for its 25' cousin. Note: Some Amazon reviews indicate that the S2415H lacks a height adjustment. It also appears to have a different port configuration than the Ultrasharp series monitors. While the U2515H has DP, mDP, and HDMI inputs as well as one DP output, the S2415H has HDMI and VGA inputs. I suppose that the analog input feature helps if you want to use this display with a legacy computer.

Macs ship with the display set at a certain resolution, and Apple defines this in the technical specifications for each model. But with Retina displays, these numbers can get confusing: there is the display’s resolution and the “looks like” resolution used on the Mac. Resolutions on Retina Macs look like half the actual number of pixels measured vertically and horizontally because of “pixel doubling.” For example, if you have (as I do) a 5K iMac, the display resolution is 5120x2880, but the Displays pane of System Preferences tells me that it looks like 2560x1440. The Displays pane of System Preferences offers a choice of display resolutions. That’s the default resolution, but you can change this if you want. To do so, you must first check Scaled in the Displays pane, as I have in the screenshot above, and you then see five options. These range from larger text to more space, with the Default setting in the middle.

If you have aging eyes or just want to see less on your display, try one of the settings to the left of the Default option. If you want to see more on the display—with smaller fonts, menus, etc.—then try one of the settings to the right. When you hover over one of these options, the Displays pane shows a text saying that “Using a scaled resolution may affect performance.” This is because your graphics card might not be able to keep up with a higher resolution (i.e., when things look smaller), or that some of your apps may not display correctly. The 13-inch Retina MacBook Pro has a native resolution of 2560x1600 and uses a default “looks like” resolution of 1280x800. Things are a bit different with Apple’s 12-inch Retina MacBook. Its display has a resolution of 2304x1440, but the default “looks like” resolution it uses is not half that, but a bit more: 1280 x 800, just like the 13-inch MacBook Pro. So it looks like the same number of pixels, but on a display that’s one inch smaller diagonally.