38
votes
Accepted
How to charge MacBook Pro quickly from an iMac?
This cable costs $39 retail. At this price I am expecting better
performance for charging than what I'm getting here. How could I
diagnose this issue?
There's nothing to diagnose because ...
- 97.5k
33
votes
Accepted
Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?
SHORT ANSWER
The answer to your question as asked in the title is it really depends on what ports you have available, personal preference, cost, etc.
I say this because both USB 3.0 and Thunderbolt ...
- 64k
31
votes
Is Thunderbolt 2 to Thunderbolt 3 (type C) possible?
Let's break your question into two questions.
Can I use the ASUS MB169B+ with a Thunderbolt 1/2 Mac?
Is there a generic way to connect any arbitrary Thunderbolt 3 or USB Type C peripheral to a ...
- 319
23
votes
Connecting 3 monitors to macbook pro 2018 via thunderbolt 3
For anyone trying to do this using a dock that has multiple display outputs, the MacBook Pro 2018 only has two thunderbolt busses, but 4 ports (2 ports per bus), as a result, if you try to connect ...
- 331
22
votes
Accepted
Using a USB-C dock with older MacBook Pros
(Assuming you mean to say that you have a MacBook Pro and not a MacBook because there is no MacBook that was made in 2014.)
You aren't going to find a Thunderbolt 2 to USB-C adapter as it makes no ...
- 97.5k
17
votes
Mac keeps restarting with kernel panic "UPSB thunderbolt power on failed"
I had this issue with a new MacBook Pro 2019/20 16-inch Catalina 10.15.4 (19E287)
It would frequently crash on sleep or when the screen was locked with the same error "thunderbolt power on failed" ...
- 1,331
16
votes
How can I troubleshoot or reset a Thunderbolt Ethernet adapter?
The solution is to try and reset as many network related system preferences as possible. To be more specific:
Unplug the Thunderbolt Ethernet adapter.
Create and Apply a new default network location (...
- 745
16
votes
Accepted
How to change resolution of external monitor from main monitor on Macbook Pro?
Try clicking on 'Gather Windows' button in the bottom right corner. It will bring the resolution choices onto the built-in screen. Then you can choose one that suits. If you hold down option while ...
- 176
15
votes
Accepted
How to use 2 FullHD monitors to one Type-C port on Macbook Pro 15 2018?
The Startech adapter you've got works as a MST (Multi-Stream Transport) hub. MST is a part of the DisplayPort 1.2 standard, which makes it possible for monitors and computers to support "daisy-...
- 75.6k
14
votes
Can I do 4K@60hz with my early 2015 MacBook Pro Retina?
I have a similar device (Early 2015 rMBP with 16 GB running macOS Sierra 10.12.6) and can confirm that it will power an external 4K display at 60 Hz - it's supposed to power two external displays at ...
- 141
13
votes
Accepted
MacBook Air occasionally freezes when external monitor is connected
More than likely, the issue is, in fact, your Mini DP to HDMI adapter.
The AmazonBasics Mini DisplayPort to HDMI Adapter adapter that you listed is a passive adapter (notice nowhere do they say &...
- 97.5k
12
votes
Primary display randomly changes
This worked for me, credit to this answer:
https://superuser.com/a/1220526/454133
Play around with moving the "top" bar between screens in the Arrangement window. Assign it to different screens ...
- 229
12
votes
Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?
I would recommend Thunderbolt, as it is essentially external PCI-Express, which is the same bus an internal network card (among other things like graphics cards, etc) is attached to.
PCI-E (and thus ...
- 431
12
votes
Only one USB-C port will charge my MacBook Pro?
So, to summarize, the port works for all functions (USB connectivity, display, etc) including charging downstream devices (like a smartphone), but you cannot charge the MacBook.
Your SMC chip needs ...
- 97.5k
12
votes
Accepted
Application Switcher showing up on wrong monitor display
The application switcher appears on the display where the Menu Bar is placed (the primary display).
However, if you have enabled Automatically hide and show the Dock in System Preferences → Dock, the ...
- 50.6k
12
votes
Accepted
Connecting 3 monitors to macbook pro 2018 via thunderbolt 3
I currently use 3 4k displays (Dell P2715Q) on a MacBook Pro 15" 2017 (GPU: Radeon Pro 560 4096 MB).
Two monitors are connected to the right side ports/bus and the third one (plus a dock for ...
- 449
11
votes
Accepted
Can one MacBook charge another over USB-C?
Yes you can. I finally figured out how.
Use a dongle and hook them up like this:
power supply > usb-c cable > mbp > usb-c cable > usb-c multi-port dongle > mbp2
I've tested it with ...
- 303
11
votes
Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?
An answer from my personal experience: I've used both
original Apple's Thunderbolt to Gigabit Ethernet adapter
Cable Matters DB50 USB 3.0 to Gigabit Ethernet adapter
and noticed no difference when ...
- 263
11
votes
What are the requirements to use iMac screen as a second monitor - Target Display Mode?
No. You cannot do this. The 2019 iMac is not supported for Target Display Mode.
This is an attempt to write a canonical QA for this issue, as per the Meta post: Where is the list of canonical ...
- 97.5k
10
votes
Primary display randomly changes
The free terminal tool I wrote, displayplacer, allows you to configure the "white bar" primary display via scripts/hotkeys.
Configure your screens how you like, drag the "white bar" to your primary ...
- 1,406
10
votes
Accepted
What makes Thunderbolt 2 adapter more expensive than TB 3 or USB-C?
Thunderbolt is expensive because of two reasons:
Licensing fees required by Intel (initially co-developed with Apple but Intel gained all rights in 2012)
Technical requirement of having a Thunderbolt ...
- 97.5k
9
votes
Accepted
How do I Propery Configure Display Scaling on macOS (with a 1440p External Display) to Reduce Eye Strain?
The solution requires SwitchResX and to follow this guide - How to Mimic a 2K Monitor as “Retina Display” in macOS Sierra Using HiDPI. The high level steps:
Install SwitchResX.
Disable SIP.
Create a ...
- 269
9
votes
What is the fastest external storage supported on Intel 2020 27" iMac?
There are three things which effect compatibility and performance when connecting external storage:
The physical connector and cable. The 2020 iMac has four USB Type A (USB-A) and two USB Type C (USB-...
- 9,157
8
votes
Accepted
Hook up 3 monitors to Mac Mini Late 2014
Apple's specs show that the late-2014 (which is still being sold today, October 2015) Mac Mini can support up to two displays using its HDMI and thunderbolt ports.
I've confirmed this by trying to ...
- 210
8
votes
CPU usage is too high with Yosemite and an external monitor
My question was marked as a duplicate of this one but has a solution to this issue verified by many users.
rMBP kernel_task spikes when connecting more than one external monitor
:)
- 1,660
8
votes
CPU usage is too high with Yosemite and an external monitor
I have a MacBook Pro Retina, 15-inch, Late 2013
2.3 GHz Intel Core i7
16 GB 1600 MHz DDR3
NVIDIA GeForce GT 750M 2048 MB
Intel Iris Pro 1536 MB
With an external Sceptre X325BV monitor connected via ...
- 81
8
votes
USB C to Thunderbolt
No.
Thunderbolt is a protocol for combining PCI express data with DisplayPort video protocols. (i.e. super high speed - low latency protocol for display, networking, data and power transfer)
USB is ...
- 231k
8
votes
External monitors show blank screen until restart
The video signal on the Thunderbolt connection on your MBP is actually Display Port so you are actually going from Display Port to HDMI. I am not a fan of converting signals because it's flaky at ...
- 97.5k
8
votes
Connecting 3 monitors to macbook pro 2018 via thunderbolt 3
From the MacBook Pro Technical Specs page:
Simultaneously supports full native resolution on the built-in display at millions of colors and:
Up to two displays with 5120-by-2880 resolution at ...
- 50.6k
8
votes
How to charge MacBook Pro quickly from an iMac?
According to Apple the best way to charge your MacBook Pro is with the included AC adapter. They don't mention plugging into an iMac specifically, but based on your report of a long predicted charging ...
- 7,579
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