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Mavericks freezes after 1 minute, reboots

freeze crash reboot mavericks spontaneous

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    InsanelyMac Protégé

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If anyone can help me with this I'd be very grateful!


I installed the latest Niresh distro (Mavericks) on my customac.


3570k @ 4Ghz (100% stable)

8GB 1600Mhz Crucial RAM @ Stock

Sapphire 7970 Ghz




I used all default BIOS (Or UEFI) settings except AHCI on, virtualisation off, and I enabled all legacy support options and disabled intergrated graphics.


The distro installed absolutely fine, no arguments needed and no errors.


It seems to boot fine too, no flags needed and it boots into the initial set-up screen, where everything seems to work perfectly. It doesn't hang or anything, there are no problems as far as I can tell.


Then, about 1 minute into booting the OS (exactly a minute or so every time), it freezes for 2 seconds or so and then reboots the machine.


There are no crash logs on reboot.


I'm pretty sure it's not my hardware as I've got a Windows 7 install which has worked perfectly for years, and 10.8.3 worked fine with no crashed.


Any quick fixes or ideas what the issue could be?


Thanks in advance!!




Extra Info - I've tried virtualisation on, integrated gpu on, hpet on & off; no avail. 



    InsanelyMac Protégé

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How many monitors are you using? I ran into a similar issue and have the same card as you (no rebooting though)... it was my third monitor causing everything to freeze.  Unplugged it and two monitors works without a hitch. 


If you only have one or two, not sure - just thought I'd throw in my 2c.

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