- Joined
- Aug 23, 2018
- Messages
- 12
- Motherboard
- Gigabyte Z170X Ultra Gaming
- CPU
- i7-7700K
- Graphics
- RX 580
- Mac
- Mobile Phone
How to address a constant reboot loop in OS X. If your Mac is stuck in a reboot loop, then it's likely suffering from corruption in kernel extensions or similar low-level files. KVR Audio News: ModeAudio has released Halogen - Dark Ambient Loops and Interference - Glitch Drum Samples. Halogen delivers 475MB of kinetic drum patterns, Ambient textures and analog synth loops. Sourced from vinta. On laptops and Mac keyboards with a power button, you can force a restart: Hold down the Control, Command (Apple) and Power keys (Ctrl-Cmd-Pwr) simultaneously. Many older Macs also have a force restart button marked with a small triangle on the front or side of the case; pressing this will also force a restart.
I'm sure problem can be easily identified and fixed but I'm not sure where to start.
MB : Gigabyte Z170X Ultra Gaming
CPU : i7-7700k
GPU : Sapphire RX580 nitro+ (with dual bios)
Main drive for OSX : Samsung 970 Pro
Second drive windows : Samsung Evo 860
RAM : 32GB Corsair Dominator Platinium
I have 3 monitors (2x display port + 1 hdmi)
This glitch/freeze happens both in macos and Windows under 'heavy' load, either gaming on Windows or video editing on macos (mostly using final cut)
When it happens it freezes (the sound continues) and I have to hard reset.
Here is how it looks :
Again, this happen both in macos and windows so I doubt this is a hackintosh problem.
I'm pretty new to this so I'm not sure where to start.
Bios ? VBios ? NVRAM ?
Thanks
EDIT :
SOLVED - Turns out my gpu is probably dying, but the problem looked like a VRAM problem.
Changing the max memory frequency from 2000mhz to 1900mhz did the trick.
I used radeon software in windows to find the balance between performance and crashes (lol) and decreased the memory 50mhz at a time. Did the same tasks, test, games etc, instant freeze and glitch at 2000mhz and 1950mhz. No freezes and glitches at 1900mhz.
Runned a few more stress test and real life workloads, no glitches.
Now for those changes to be applied in macOs too j Iust tweaked the vbios of the card cuz radeon software is obviously not usable outside windows.
I used SBRPolaris to tweak the parameters and flashed the card using ATIflash.
Now the card is maxed out at 1900mhz and all the tasks that tiggered the freeze/artifacts before now work fine.
Did some super heavy render in final cut pro (I have a project with 10 different 4k footages stacked on top of each other using chroma key, masking and stuff, used to crash almost instantly everytime. Now the export went all the way without problem.
I bet I have lost some power and overall speed doing that but at least it works now.
Next stop is a Radeon VII, in a few months probably, or maybe a 5700 since radeon VII are discontinued.
A Troubleshooting Protocol to Identify Problems or Fix macOS El Capitan or Later
You should try each, one at a time, then test to see if the problem is fixed before going on to the next.
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Be sure to backup your files before proceeding if possible.
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- Shutdown the computer, wait 30 seconds, restart the computer.
- Disconnect all third-party peripherals and remove any support software like drivers and plug-ins.
- Start the computer in Safe Mode, then restart normally. This is slower than a standard startup.
- Repair the disk by booting from the Recovery HD. Immediately after the chime hold down the Command and Rkeys until the Utility Menu appears. Choose Disk Utility and click on the Continue button. Select the indented (usually, Macintosh HD) volume entry from the side list. Click on the First Aid button in the toolbar. Wait for the Done button to appear. Quit Disk Utility and return to the Utility Menu. Restart the computer from the Apple Menu.
- Create a New User Account Open Users & Groups preferences. Click on the lock icon and enter your Admin password when prompted. On the left under Current User click on the Add [+] button under Login Options. Setup a new Admin user account. Upon completion log out of your current account then log into the new account. If your problems cease, then consider switching to the new account and transferring your files to it - Transferring files from one User Account to another.
- Download and install the OS X El Capitan 10.11.6 Combo Update or 10.12.6 Combo Update or Download macOS High Sierra 10.13.3 Combo Update as needed.
- Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button.
- Erase and Install OS X Restart the computer. Immediately after the chime hold down the CommandandRkeys until the Apple logo appears. When the Utility Menu appears:
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- Select Disk Utility from the Utility Menu and click on Continue button.
- When Disk Utility loads select the drive (out-dented entry) from the Device list.
- Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
- Set the Format type to APFS (for SSDs only) or Mac OS Extended (Journaled.)
- Click on the Apply button, then wait for the Done button to activate and click on it.
- Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X and click on the Continue button.
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Mar 2, 2018 12:54 PM