I bought a new 1440p 165Hz beast of a gaming monitor, I've been using it on windows since November with absolutely no issues. All you need to do is whack 1 slider up to set an appropriate display scale and you're done.
On Mac I'm having a few more problems getting this display scaling to work properly. I've been getting eye strain this week when my main monitor is set to 1440p, its really bad. If I set the display to 1080p the strain goes but the quality of the image is worse than my side monitors. The side monitors on windows look blurry, when compared to the main and I paid alot of money for my new monitor and I'm very happy with it, so I want to run it at full whack.
If I try to select 1280x720, nothing happens at all. If I select 1280x800 (16:10 so an incorrect aspect). the screen changes and displays a really high quality image with the OS GUI scaled and at a much less eye taxing size.
I've played about with custom resolutions but can't get it to send a 2560x1400 60Hz signal scaled to 1920x1080. If I add a custom resolution it just marks it as invalid, even if I use the preset provided by the program.
I really can't live with the OS GUI scale of native 1440p on macOS. Everything is just that little bit too small and its genuinely causing me physical pain to use my setup which is tried and tested for years (never had ANY issues on the 1080 displays). I'm planning an upgrade of my side monitors to 1440p as-well so I really need to crack this issue before I go and triple my problem... ?
Would these issues be caused by my use of the Dell D6000 Dock? I'm connecting it to my mac via Thunderbolt USB C & I use the provided HDMI 2.0 cable to connect the dock to the monitor. I tested the specific cable with my windows machine and was able to run the panel at 1440p + 165Hz so bandwidth is likely not an issue. My dock supports up to 3 4K displays so again I don't think there are any physical limitations in the way. This is a purely software issue and I've got to say disappointing from apple. Their iOS accessibility is top notch, but their mac accessibility looks to be garbage if this experience is anything to go by! and I'm not alone!
The video driver in the Apple silicon macs doesn't manage resolutions with 8 bit color depths (millions). There's no way to get anything else than 10 bit color depths (billions) on these Macs. It's not a limit in SwitchResX, it's the Apple way of doing things: implement new features and progressively remove previous ones. There's no way for any application to make this possible again sorry - it has to be done in the driver and only Apple can write drivers on these Macs
The only workaround I have found is that when I plug the M1 into an external monitor and set the primary display to optimize for the external monitor (in my case a BENQ EW2440L) the old color profiles are available. I have always had the most luck with the PaperLike and Flux color profiles.
Howdy - I'm using RDM (Retina Display Manager), have since I got my first Retina system when they launched in 2011 or so. It works with the MacBook M1 Pro 16", the maximum resolution I get is 3456x2234. I don't expect it to continue to work after Intel processors are phased out, I hope that the author (on GitHub) updates it for M1. I'm also considering forking it and/or join the project as a contributor, because no, you aren't the only one who feels short-changed by the HiDPI resolutions. They are a waste of screen real estate. Cheers!
In the new window, fill Horizontal and Vertical resolutions with the new value you want to use (1536 and 960, in my case). Set your max refresh rate to the Hz value you noted earlier (59,946 Hz in my case). Here is how it looks for my screen:
I rotated my 27" 4K monitor at work and wanted to setup a Picture-by-Picture setup. While I got it going with my Kubuntu desktop perfectly fine, my Macbook doesn't list 1920x2160 (a non-standard resolution).
Unfortunately the performance with these settings is pretty bad, even over local Wi-Fi. The image quality is great but updates are sluggish. So for now you might want to consider lowering the quality setting.
Windows is looking like the only reliable option to use my Macbook with those projectors, but obviously I'd rather not have to buy an extra copy of Windows and MS Office if it's possible to get the job done with Mac OS X and Keynote. It'd certainly be an extra expense I didn't expect when buying a MacBook rather than a cheaper Windows laptop.
That's what I do with our camera club, whether it's a PC or a MAC we mostly use 1280x1024 for computers. Just make sure the projector settings are such that they keep the proper ratio and not stretch the image in either direction.
The maximum 4:3 ratio provided by my Macbook was 800x600. Using SwitchResX I managed to successfully increase that to 1024x768, but I couldn't get anything higher without going for widescreen resolutions.
Personally, I wouldn't be happy with anything less than the projector's native 1400x1050 resolution. There was a very noticeable loss of quality when using either 1024x768 or 1280x720 on my Macbook, rather than the full 1400x1050 provided by the club's own laptop.
Have you tried to option-click the 'Scaled' radio button in the Display preferences? That should bring additional resolution options. Note that you can select resolutions that are non-native without any pixel interpolation if the longer edge of the selected resolution matches that of the screen and the shorter edge of the selected resolution is smaller than the screen resolution. In this case, the screen will show black bars below and above the image to fill the screen.
As for SwitchResX, its default 1024x768 resolution worked, but when I tried to create a custom 1400x1050 resolution it didn't display correctly and then crashed. Looking online, I'd really need to know all of the projector's technical specs, or spend a lot of time finding working settings by trial and error, to have much hope of getting it working properly. I'm not going to have the opportunity of doing that with projectors I'll be using.
Note that you can select resolutions that are non-native without any pixel interpolation if the longer edge of the selected resolution matches that of the screen and the shorter edge of the selected resolution is smaller than the screen resolution. In this case, the screen will show black bars below and above the image to fill the screen.
I've resized many of my images for the projector's resolution, in some cases cropping to 1400x1050 so that they'd fill the screen without any scaling. I've also created my presentations in a 4:3 format and I'd rather not spend time converting and reformatting/cropping to fit 16:9. Once the additional 4:3 crop is taken into account, displaying them at 1280x720 would actually give me a lower resolution display than running at 1024x768.
I thought I'd done sufficient research into the pros and cons before buying a MacBook, but I didn't imagine there'd be a problem with something as basic as connecting it to a projector at its native resolution. I'd definitely have stuck with a Windows laptop if I'd known about this.
I could use a Thunderbolt to DVI adapter, but that wouldn't do any good if 1400x1050 simply isn't an option that can be selected. From what I've been told elsewhere, it just isn't a resolution that Mac OS X provides, regardless of the way that the display is connected. So far I haven't been able to find anyone who's actually managed to connect a 1400x1050 projector to their Mac without having to run it at a lower resolution.
Windows laptops are connected by HDMI and display 1400x1050 without any problems. There's nothing in the projector's documentation to indicate that its native resolution can't be used when using HDMI. I find it unlikely that the type of cable used is the problem here.
Have to say this all from memory as I do not have the projector with me here, but pretty sure I have had my MacBook Pro (late 2009 model, running OS X Lion) drive my club's Canon SX80 mk II at its native 1400x1050.
I was using a mini-DP out of the MBP into the projector's DVI input (which I think is the key thing; you certainly are resolution/aspect limited with HDMI). If I recall right, I also ran the projector as extended - so dual-screen. I needed first connect the projector with everything powered up, let the MBP sense it, and only then could I select the arrangement/resolution.
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