Hi Everyone i am getting the error below and my computer wont login. i have the new 2019 16in its less than 3 . weeks . old.

panic(cpu 2 caller 0xffffff7f8c0a1a97): GPU Panic: mux-regs 5 3 7f 1f 0 0 severity 3 WS-ready 0 switch-state 13 IG FBs 0 EG FBs 0:1f power-state 0 3D idle HDA idle system-state 0 power-level 20:20 power-retry 0:0 connect-change 0 : PowerPlay Failed to Initialize.



Backtrace (CPU 2), Frame : Return Address

0xffffffa3ec2d3500 : 0xffffff800813bb1b 

0xffffffa3ec2d3550 : 0xffffff80082733e5 

0xffffffa3ec2d3590 : 0xffffff8008264e5e 

0xffffffa3ec2d35e0 : 0xffffff80080e2a40 

0xffffffa3ec2d3600 : 0xffffff800813b207 

0xffffffa3ec2d3700 : 0xffffff800813b5eb 

0xffffffa3ec2d3750 : 0xffffff80088d24f9 

0xffffffa3ec2d37c0 : 0xffffff7f8c0a1a97 

0xffffffa3ec2d3820 : 0xffffff7f8c45a14d 

0xffffffa3ec2d3aa0 : 0xffffff7f8c428128 

0xffffffa3ec2d3ae0 : 0xffffff7f8c45924a 

0xffffffa3ec2d3b30 : 0xffffff7f8c42c33a 

0xffffffa3ec2d3b90 : 0xffffff7f8bd9f44c 

0xffffffa3ec2d3c10 : 0xffffff7f8bd95c0e 

0xffffffa3ec2d3ca0 : 0xffffff800881460b 

0xffffffa3ec2d3d00 : 0xffffff800886f0c9 

0xffffffa3ec2d3d60 : 0xffffff80082226ef 

0xffffffa3ec2d3db0 : 0xffffff8008141998 

0xffffffa3ec2d3e10 : 0xffffff8008118625 

0xffffffa3ec2d3e70 : 0xffffff800812f0d5 

0xffffffa3ec2d3f00 : 0xffffff800824b485 

0xffffffa3ec2d3fa0 : 0xffffff80080e3226 


MacBook Pro with Touch Bar

Posted on Dec 29, 2019 3:44 PM

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Question marked as Top-ranking reply

Posted on Jan 18, 2020 12:48 AM

News from my MBP: It's still in repair and the repair shop confirms a hardware failure. System crash (black screen, fans blow up, reboot immediately) when switch to 5500M GPU, probably this switch doesn't occure in safe-mode. The system crash even in Apple advance diagnostic program (from a netboot image), the built-in diagnostic (press D on boot) doesn't report any error.


Result: A new logic board from apple is on the way and I should get back my MBP next week.


(MBP 16inch, 2.3i9, 64G Ram, 2TB SSD, GPU 5500M 8GB)

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131 replies

Jan 26, 2020 6:29 PM in response to HWTech

I prefer to use Onyx for a thorough clean, CleanMyMac is used for quick cleans without typing a bunch of stuff in terminal.


All of my software on macOS has been chopped/changed since I started using it in 2010 to the most compatible software for my macOS based workflows. All my software on macOS is 64bit and I began that transition when I was on High Sierra.


When hundreds of software applications made specifically for macOS stop working, I doubt the problem lies with hundreds as opposed to one, macOS.



TLDR; no, CleanMyMac isn't the problem here, and it cops some heat being one of the first pieces of software users with no idea how to run and maintain a system go to, and thus gets caught in the crossfire of an already badly configured system and unarticulate user.

Feb 5, 2020 4:39 PM in response to ondrejc

I'm on my 3rd, and with 10.15.3 still experiencing all sorts of freezes and restarts.


Each replacement took 2 weeks as I have a custom build!


Having the equivalent of a refurbished laptop through a logic board replacement only a month after purchase is ridiculous for the price.


My solution now is to wait, the current model with hardware issues is the "Late 2019", so I am waiting for the "Early 2020" model to be released. Then I am using 1 of my 2 'accidental damage' claims to swap the Late 2019 for an Early 2020, I'll have to pay $150 excess, but it's the quickest way out of an infinite loop of bad hardware.


Following Applecare guidelines just sees my $500 Applecare used as an excuse to talk to Apple at length about how there is nothing wrong and why I should reformat my 3rd replacement machine in under 2 months.

Feb 6, 2020 1:00 AM in response to ondrejc

Doing all these tweaks makes the system unsuitable for work. Things like standby enable me to shut the lid after a meeting and save things later risk free.


If it doesn't work with the supplied system, it's not ready for production. Since I've purchased it, I'll return it every 30 days to stay covered by Australian consumer law until by all accounts I look like a professional using a machine with a Pro tag.

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Hi Everyone i am getting the error below and my computer wont login. i have the new 2019 16in its less than 3 . weeks . old.

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