Linked Questions

10 votes
3 answers
13k views

External monitors show blank screen until restart

MacBook Pro (15-inch, 2016) with 2 USB-C to HDMI adapters. The setup works great if I start up in that configuration. If I connect the adapters while the machine is running or simply sleeping, one ...
Pez's user avatar
  • 111
5 votes
4 answers
29k views

Can 2013 MacBook Air output to 2560x1080?

I recently purchased a 21:9 LG monitor (model 29UM57) and I'm having difficulty getting my 2013 MBA to output to 2560x1080, which is the monitor's resolution. My max resolution is 1080p. I purchased ...
N. Wong's user avatar
  • 51
6 votes
4 answers
12k views

Second monitor turns blue problem

I have recently upgraded to an iMac (Retina 5k, 27-inch, 2017) that has High Sierra (OS version 10.13.3) installed. I have an Asus monitor that I used with my old iMac and had no issues. Ever since ...
Doron Yakovlev Golani's user avatar
3 votes
2 answers
11k views

Connect 2 external monitors (1 VGA + 1 HDMI) to MacBook Pro

I have a 13" 2017 MacBookPro. I wish to connect two monitors to it, a Samsung HDMI monitor and a LG VGA Monitor. I am using an Aukey Multiport USB-C Adapter. I can't connect the two monitors at the ...
Marco Gagliardi's user avatar
2 votes
2 answers
8k views

USB 3.0 (Type A) to USB-C on Early 2015 MacBook Pro for HDMI

I have an early 2015 MacBook Pro with Retina Screen and USB type A ports. I'm trying to declutter (and come up with a way of easily switching my peripherals between my windows laptop and my Mac) and ...
SWa's user avatar
  • 33
16 votes
1 answer
11k views

Font rendering on external display broken in Big Sur

The best example I have of font rendering problems introduced by MacOS 11.0.1 Big Sur is with iTerm2. This screenshot shows the window as it appears on the MacBook Pro (15-inch, 2018) Built-in Retina ...
Les Grieve's user avatar
2 votes
3 answers
10k views

Possible to get 1440p from a 2012 Mac Mini via mini DP -> HDMI adapter?

I recently purchased a 2012 Mac Mini and am attempting to max out my dual monitor setup. Currently, I connect my Mac to a Dell S2417DG's HDMI 1.4 in via this passive mini DP to HDMI 1.4 cable. ...
FThompson's user avatar
  • 141
3 votes
2 answers
8k views

Can I output 1080p at 240hz from my 2017 MacBook Pro 13inch with Touch Bar

I just bought an Acer XB252Q gaming monitor that has 1080p 240hz. I was wondering if I can output 1080p at 240hz with my 2017 MacBook Pro 13" with Touch Bar using a display port cable? I ask because ...
Lucas's user avatar
  • 33
2 votes
3 answers
6k views

Mac Mini 2018 - 3 monitors [duplicate]

I've seen this question for older versions of the Mac mini, but I'm struggling to find an answer for the Mac mini 2018. I want to connect 3 identical monitors (22inch 1080p). I'm currently able to ...
Tom Dyer's user avatar
1 vote
2 answers
11k views

Macbook Pro detects the screen, but external screen stays black (mini dp to hdmi)

I am trying to connect my MacBook Pro (OSX 10.9.3, 2.4 GHz Intel Core i5, 8GB DDR3) to Panasonic Viera TH55AS670D LED TV through Mini DP to HDMI connector. When I connect the wire my laptop screen ...
Bharat Soni's user avatar
3 votes
2 answers
5k views

Can I connect a mid-2011 iMac to an external HDMI display with a mini Displayport-to-HDMI cable?

I have a mid-2011 iMac running Sierra. I just purchased a new Ultrawide monitor to use primarily on my PC, but it also supports dual input devices, so I was thinking I could connect my iMac to it in ...
JVC's user avatar
  • 2,821
0 votes
1 answer
2k views

What's wrong with HDMI? [closed]

I have seen comments in various posts here to the effect that HDMI is to be avoided. Can anyone explain what the problem is with HDMI, and why it's a bad thing? More specifically, I have a 2nd monitor ...
benwiggy's user avatar
  • 35.8k
4 votes
3 answers
2k views

Dual 4k displays on a Macbook Pro 15" Late 2013

I would like to get two external monitors for my MacBook Pro 15 Late 2013 running Mojave 10.14.3. Specifically, I'm considering two of the Dell P2415Q 24" Monitors. I may also keep my MacBook open and ...
Lee's user avatar
  • 143
2 votes
1 answer
4k views

Screen blinking "HDMI no signal" when Mac is sleeping

I usually leave my computer, and let it go to sleep after 15 minutes. My external screen is showing a blue screen saying "HDMI no signal" every other minute while my MacBook is asleep, and the screen ...
Kristian's user avatar
1 vote
0 answers
5k views

External Monitor not detected on Macbook Air early 2015, with thunderbolt 2 + HDMI

I have always been wanting to connect my macbook air to an external monitor, so after researching the best types for macbooks, I figured connecting my macbook via HDMI to a monitor would work. ...
Shivam's user avatar
  • 11

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