Linked Questions
21 questions linked to/from What's wrong with HDMI?
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Connecting a 2015 MacBook Air to a Dell monitor with DP and HDMI ports [duplicate]
I have a MacBook Air (13-inch, Early 2015) which I want to connect to a Dell 24 USB-C Hub Monitor - P2422HE. Which cable is best suited for this connection? The monitor has DisplayPort and HDMI ports. ...
51
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16
answers
86k
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MacBook Pro (2018) stopped detecting external monitor
My new MacBook Pro suddenly stopped recognizing an external monitor (Dell U2515H) after 2 days of normal usage.
Yesterday, after I was done with my work, I closed the lid as usual and today, I opened ...
11
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2
answers
28k
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MacBook Air occasionally freezes when external monitor is connected
I bought an ultra wide monitor (LG 29UM58) the other day. To hook it up to my Air, I convert a mini-DP signal to HDMI. With two different cables, I started noticing occasional latency on the signal ...
2
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3
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4k
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External Monitor Blurry text and Sluggy Mouse on MBP 2020
I have bought the MBP PRO 2020 13" after lot of struggle convincing my family for lot of money. Thinking it would help me ease my work and help me with my work.
However,The problem is I feel like ...
2
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1
answer
3k
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How to connect regular iPad (6th Gen) to external monitor?
Is it possible to connect an external monitor to a regular iPad 6th Gen?
The goal is to use it to watch Netflix, etc.
I found some Lightning to HDMI cables, but my monitor only has DisplayPort input. ...
2
votes
1
answer
1k
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How to check what communication mode is being used with an external monitor over the USB-C/Thunderbolt plug
If I understand correctly, if you connect an external monitor to a Mac there is more than one way the signals can be sent to the monitor.
It could be HDMI, it could be USB Two-lane Displayport, it ...
0
votes
1
answer
3k
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External display doesn't work, keeps disappearing and reappearing in settings
I am trying to connect my MacBook Pro to an external display (HP E24i G4) via HDMI. The display doesn't work. When I go to Display Settings to check on it, I see the following:
Then, in a split ...
0
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1
answer
682
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HDMI vs DisplayPort output resolutions
I am connecting a MacBook Pro to an external 4K monitor and mirroring the displays. The display actually shows a warning with the actual resolution when the input is not 4K. If I select the "Best ...
0
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0
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1k
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External monitor not working on full resolution with MacBook [duplicate]
I know this problem has been answered before, but I could not make any of the presented solutions work for me.
I just bought a Phillips 245B monitor with QHD (2560x1440) so I could run it in native ...
0
votes
2
answers
860
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Dell E2720HS flickering as external MacBook Pro monitor
I have an MBP 2012 model. I have Dell E2620HS and connecting it with an HDMI adapter via the Thunderbolt port. It has been flickering as it comes on and off.
I tried reconnecting cable but it didn't ...
2
votes
1
answer
353
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USB-C to HDMI to DP
I have a MacBook Pro 2017 (two USB-C ports only), running Ventura. I have a USB-C to HDMI female adapter and a HDMI (male) to DP (male) cable to connect everything to a Dell P2415Q. But there arrives ...
1
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0
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370
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Macbook Air 2019 - External 4K monitor loses resolution
I have a 2019 Macbook Air and I use a QGeeM USB-C hub to connect to an ASUS 28" 4k monitor.
The Monitor has a DP port and and 2 HDMI ports - one for 4K @ 30Hz and the other 1080p @ 60Hz.
I ...
0
votes
1
answer
288
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Can I use two USB-C to HDMI/DVI cables to hook up to two monitors from my MacBook Pro (2017)?
I want to add a second monitor that is connected to my MacBook Pro. Right now I am using a USB-C Apple adapter which allows me to plug the HDMI to HDMI cable from the adapter to the monitor.
I want to ...
0
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0
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346
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External display switches to lower resolution and I need to restart my MacBook to fix it
My setup is the following:
macOS Catalina, version 10.15.7 (but this has been happening since before Catalina)
MacBook Pro (15-inch 2019)
AOC Q27P1 External display, connected via this USB C to HDMI ...
0
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2
answers
281
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How to play a movie on a MacBook using a multimedia projector for output?
At our school there are (not smart) BenQ multimedia projectors in every classrom, every one of these is connected to an AppleTV (AppleTVs are not connected to WiFi) via HDMI cable and more and more ...