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All lines of MacBook, MacBook Air and MacBook Pro portable computers.

6 votes
Accepted

Can macOS operate/output video at 144 Hz screen refresh rate?

Yes, it should work out of the box given the right cable and a new enough MacBook (some MacBooks will need a 3rd party patch.) If you're still having issues (which you shouldn't), you can try using Sw …
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6 votes

how to turn off my keyboard on my macbook?

I would recommend Karabiner Elements. It's the successor to Karabiner, and works on macOS Sierra. There's an option under the devices menu to disable the build-in keyboard while another keyboard is se …
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4 votes

"This item is temporarily unavailable" When Installing Yosemite

Let me preface this: it's possible that this solution doesn't work entirely, and that you'll need a version of the installer that has a full copy of OS X (instead of downloading it from the internet o …
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3 votes

Green screen while starting up MacBook Pro

Seems like a hardware issue, probably GPU. Run Apple Diagnostics and something GPU heavy like Unigine Heaven and see if it exhibits any issues. In any case, I'd say take it into an Apple store and exp …
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2 votes

How can I install the newest EFI firmware upgrade from El Capitan?

WARNING: THIS COULD POTENTIALLY MAKE YOUR COMPUTER UNUSABLE IF THE FIRMWARE DOESN'T WORK PROPERLY. Please make sure you know what you're doing before continuing. Manually Flashing The Firmware Down …
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2 votes
Accepted

Finding Peak Memory Bandwidth on MacBook Pro

Your 2016 MacBook, depending on the model, uses either 1866 or 2133 DDR3 memory (1866 is used by the non-touchbar model, the others use 2133.) This number refers to the data rate of the memory, in MT …
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2 votes

With a 2019 MBP, are there any benefits to driving a 4K display via Displayport (1.4) vs HDM...

No Freesync sometimes isn't supported over HDMI, but this monitor supports it. On top of that, macOS doesn't support Freesync anyways. USB-C can "natively" use "normal" DisplayPort and HDMI in its a …
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2 votes

What kind of input Jack can work on a MacBook Pro (15-inch, Mid 2012) audio input port?

Any line-level input should work with the 15-inch Mid 2012 MacBook Pro (the MBPr is slightly different.) Simply insert it into the audio in port on your MacBook Pro using a 3.5mm jack. Line level si …
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2 votes

MacBook Pro Touch Bar pops and right speaker gets disabled

I had this issue on a 15" 2017 MacBook Pro, three times over the course of roughly three months. Apple issued two top case replacements, which includes both speakers–yet each time, a speaker would fa …
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2 votes
Accepted

Has Apple ditched the enter key symbol in their mac devices international keyboard?

Can't confirm 100% since I don't have a keyboard with an Arabic physical layout on hand, but for a US keyboard on a 2018 tMBP set to the Arabic layout, I can confirm that return/enter functions as nor …
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2 votes
Accepted

When mirroring my Macbook Pro with an ultra-wide external display, can the resolution be set...

Yes. When mirroring, you can choose which display to "optimize" for.
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1 vote

Unknown Startup Disk

This post seems to have a solution. It's probable that there's still an entry in the EFI for Windows even though the partition isn't there any more.
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1 vote

OS X installer booting instead of Macintosh HD

Just install the system again: it shouldn't overwrite any files outside of the system.
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1 vote

MBP strange blackouts

It may be a GPU issue: check to see if your MacBook Pro that may have been manufactured with a defective GPU.
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1 vote

MacBook Pro won't boot. Ideas?

That error means it failed to connect to the network. Is your network perchance WPA or WPA2/WPA mixed with a password? Apparently Internet Recovery doesn't play well with those (another link). Did th …
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