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1. 2015 MACBOOK PRO RETINA FOR FREE
2. 2015 MACBOOK PRO RETINA WINDOWS 10
3. 2015 MACBOOK PRO RETINA PRO
4. 2015 MACBOOK PRO RETINA SOFTWARE
5. 2015 MACBOOK PRO RETINA MAC

Most monitors have a pixel order of (from left to right) red, then green, then blue, but some do it backwards and OS X doesn't seem to be able to handle it sometimes.Īlso, sometimes it goes black for a second or two, and sometimes it shows green lines and plays a strange sound.

2015 MACBOOK PRO RETINA WINDOWS 10

While running Windows 10 it looks better but is still at 30 Hz. The active part is needed because otherwise it will pipe the same 1.4 as the HDMI ports if you use a "dumb" cable/adapter. The HDMI ports on the MBP are 1.4 and not fast enough, but the Mini-DisplayPort ports are fast enough. You'll also need an active (Mini-)DisplayPort to HDMI 2.0 adapter. You'll have to disable System Integrity Protection (which normally prevents system files from being modified - mostly for security purposes) to add custom "supported" resolutions to the Mac, which involves a reboot once to turn SIP off and again to turn it back on, all the while being more vulnerable than normal to viruses, although probably not vulnerable enough to worry too much as long as you remember to turn it back on.

2015 MACBOOK PRO RETINA SOFTWARE

I'm using a Sony 43" 4k TV with HDMI 2.0 right now.įor some reason the MBP insists it can only run it at 30Hz, but with a piece of software such as SwitchResX you can manually add your resolution/refresh rate combination to the list of "supported" resolutions.

2015 MACBOOK PRO RETINA PRO

If any reader has a logical explanation and/or solution for this, please post your answer.Ĭan I do with my early 2015 MacBook Pro Retina?

2015 MACBOOK PRO RETINA MAC

This result has persisted despite restarting my Mac but I do not know if this behavior is limited to my example. The refresh rate on the 4K screen is dropped to 30 Hz if it's one of only two active displays. To sum up, this means that my early 2015 rMBP 13" will only display 4K 60 Hz on the screen capable of doing so if either all 3 displays are active or the 4K display is the only active display. Scenario 3 = 2 desktops without builtin screen:ĭisplay 1 (old) is connected with 900x1440 60 Hz,ĭisplay 2 (4K) is connected with 3840x2160 60 Hz Scenario 2 = 2 desktops with builtin screen:ĭisplay 2 (4K) is connected with 3840x2160 only 30 Hz

RMBP Early 2015 with macOS 10.12.6 and 16 GB RAM ĭisplay 1 (old): 900x1440 via mDP-DVI adaptor and DVI cable Display 2 (4K): 3840x2160 via mDP-DP cableĭisplay 2 (4K) is the only desktop displayed at 3840x2160 Hz Also, MacOS does not let me choose the refresh rate for the 4K screen when it's connected through the Mini DisplayPort to DisplayPort cable - other than feeling the difference, I only see the refresh rate in the system profiler. However, there are anomalies on my side when it comes to the refresh rate depending on my screen setup. Removing the speakers requires also removing several other components including the logic board.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 4K (3840x2160) in addition to the builtin display, in fact. Therefore, this guide instructs you to remove the speakers before proceeding to the battery.

Note: The solvent used to dissolve the battery adhesive can damage your speakers if it comes in contact with the plastic speaker enclosures. If your battery is swollen, take extra precautions.

A charged lithium-ion battery can create a dangerous and uncontrollable fire if accidentally punctured. To minimize risk of damage, turn on your MacBook and allow the battery to fully discharge before starting this procedure. Do not smoke or work near an open flame during this procedure. Perform this procedure in a well-ventilated area. IFixit adhesive remover is highly flammable.

2015 MACBOOK PRO RETINA FOR FREE

The adhesive remover in your kit will dissolve the adhesive securing the battery, allowing you to remove it with ease.Īpple issued a battery recall for this model in June of 2019-so before replacing your battery, you can check to see if you are eligible to receive a replacement for free from Apple. Use this guide to safely remove the glued-in battery from your MacBook Pro with the help of an iFixit battery replacement kit.