external monitor

I have new iMac with Retina display. I connected an external monitor monitor, Acer S277HK. It works fine once it starts up but the computer and monitor take 5 to 10 minutes to start. Can anyone help me?

Greetings I bought display, bring it home, plugged to notebook and get this: click here for photo It works about 5-10 minutes and than starts flickering. Helps only to off display, turn Mac in sleep mode, wait few minutes and wake up Mac, but it is bad to do this stuffs every 10 minutes I am...

Hi everyone! I have been a long time lurker of Mac Rumors for all things Apple! But have finally come across a problem I couldnt solve by scouring the internet for solutions, so I need the help of the community on this. I have a MB Air (early 2015) and a HP Pavilion 20 (all in one desktop). I...

I've got a MBP (2015) and am looking to purchase the Dell UltraSharp U3415W. I still don't really understand how all of the different connections interact. What's the most efficient way (i.e. least amount of cords and adapters) to make sure that a) my MBP is connected to the monitor b) is...

#1 Hi I want to connect my Acer x193w (Mac compatible) as an external monitor to my MacBook Pro OS X Yosemite. I'm using a HDMI/VGA adapter to connect them together. The arrangement tab in the display doesn't show itself even though my wallpaper became blue. The monitor maintains itself in...

Hi folks, I've just ordered Dell's 5K display and I'm expecting it in the next couple of days. Has anyone here bought one for use with the riMac 27? Any problems with setup? Are there any adapters I need to pick up? I know that the riMac 27 supports it since the release of 10.10.3, but I want...

Hi guys, I'd figure I'd ask the Mac consensus if this monitor will work for my Mac. I have a Macbook pro Retina (MacBookPro10,1) with an NVIDIA GeForce GT 650M 1024 MB GPU, 16 Gigs of ram. Running 10.11.2. It's never a clear cut answer if my mac has enough graphical horsepower to support...

I have a single external monitor set up for my MBAir that runs in clamshell mode - and I'm wondering if it would be possible to have a second monitor connected while it's in clamshell mode. What I'm aiming for is a landscape monitor for the visual end and the portrait monitor for "code mode" so...