How to diagnose sudden and fleeting hang of computer?
135770
What is the best way to block ocsp.apple.com on mac?
121099
System program problem detected?
35595
How to identify the faulty driver if the computer working good in safe mode?
85077
How can I tell, from the command line, whether the machine requires a reboot?
136144
How do I prevent mouse movement from waking up a suspended computer?
151219
How can I thoroughly test all the hardware on my computer?
79817
How do I troubleshoot random rebooting?
128053
How to know what Windows 7 is doing before shutdown/reboot?
70720
Boot problem after hanging and manual power off ( Stopping User Manager for UID 121... )
95655
Investigating a system "freeze"
9581
How to see the error messages when I get the white screen of death?
90062
How would I identify what's causing my Mac to permanently hang on shutdown?
19774
How do I identify hardware I am unfamiliar with on my computer?
48993
Kernel suspends too quickly, upon resume continues suspend tasks
25270
Windows using too much RAM, how to diagnose resource hog
241
What's your method for finding the cause of a segfault?
25264
Built-In Trackpad and Keyboard Unresponsive after Sleep or Restart