Upgrade from OS X 10.7.5 to 10.9.1 has caused my Macbook Pro to crash regularly
133969
iMac crashes after upgrade to OS X Mavericks
149811
Hardware issue on iMac, flashing question mark
104017
Upgrading from OS X 10.10 Yosemite Developer Preview
129143
Error upgrading to High Sierra
44466
I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp)
121309
How to downgrade from El Capitan to Snow Leopard?
79327
How do you perform a clean install of macOS High Sierra with APFS?
89856
How to resume the interrupted upgrade from 14.10 to 15.04?
79701
Constant kernel GPU panics (GPUPanic.cpp:127) on mid-2010 MacBook Pro (6,2)
96986
WARNING: The version of Tcl/Tk (8.5.9) in use may be unstable
95066
New to Macbook Pro, need help upgrading
31996
El Capitan froze and rebooted (Macbook Pro Retina Mid 2012)
116397
Can't reach login screen after accidental power loss during an upgrade
46316
Mac OSX update broke booting Ubuntu
11856
MacOS High Sierra: An error occurred while verifying firmware
52456
After update, now I'm getting "Disk not ejected properly" every time my Mac sleeps
144961
crash log does not symbolicate system libraries armv7s