Somehow the settings of one of my monitors has changed and I can't get it back.
Mac Mini (late 2012)
OS X Yosemite version 10.10.2
I've tried going to settings - display, but one monitor only gives my choices that don't match the resolution of the other monitor.
Mac mini, OS X Yosemite (10.10.1)
Try replacing the SMC and PRAM.
Intel-based Macs: Resetting the System Management Controller (SMC)
Do both monitors work OK otherwise?
What happens if you switch the monitors at the ends of the cables? Tghis will help determine if the output port/adopter/cable is the problem
Thank you for helping me. I reset the SMC and the NVRAM. Everything remained the same.
I switched the HDMI connection on Monitor 2 to Monitor 1 and the DVI D2 connection on Monitor 1 to Monitor 2. No change.
When I go to System Preferences - Display I have the following options:
Monitor (1) connected by DVI
Resolution scaled: 1. 1080p 2. 1080i 3. 720p 4. 1600x900
Monitor (2) connected by HDMI
Resolution scaled: 1. 1600x1200 2. 1280x960 3. 1084x768
Thank you for helping me. I reset the SMC and the NVRAM. Everything remained the same.
I switched the HDMI connection on Monitor 2 to Monitor 1 and the DVI D2 connection on Monitor 1 to Monitor 2. No change.
When I go to System Preferences - Display I have the following options:
Monitor (1) connected by DVI
Resolution scaled: 1. 1080p 2. 1080i 3. 720p 4. 1600x900
Monitor (2) connected by HDMI
Resolution scaled: 1. 1600x1200 2. 1280x960 3. 1084x768
Sorry, I got that reversed:
Monitor (1) connected by HDMI
resolutions as noted
Monitor (2) connected by DVI
1. How is the Apple Mini DisplayPort to Dual-Link DVI adapter different from the Apple Mini DisplayPort to DVI adapter?
The Apple Mini DisplayPort to Dual-Link DVI adapter works best with displays that operate at dual-link resolutions, which are resolutions above 1920 x 1200. For displays that do not support dual-link DVI resolutions (displays that operate at resolutions of 1920 x 1200 or lower) you should use the Apple Mini DisplayPort to DVI adapter instead.
Apple Mini DisplayPort adapters: Frequently asked questions (FAQ) - Apple Support
Which resolutions are supported on Macs using HDMI?
The HDMI port supports up to 1080p on HDMI connections. With the HDMI to DVI adapter, the HDMI port will work with resolutions up to 1920 x 1200. Mac Pro (Late 2013), MacBook Pro (Retina, Late 2013 and later), iMac (27-inch, Late 2013 and later), and Mac mini (Late 2014) also support 4k Displays.
Mac computers: Frequently asked questions about using HDMI - Apple Support
The 1080p resolution works fine for me, if I can get the other monitor to match that resolution. I have had this setup for a couple of years without any issue until this week, but for some reason one monitor now has a different resolution and the options I have for resetting it don't match.
I have a mac mini (late 2012) with two dell U2711 monitors
