Ubuntu OS hanged stage
2653
What should I do when Ubuntu freezes?
74148
Problems with booting the system
1804
How to diagnose computer lockups and freezes?
63772
I can't boot into a usable system after updates. What should I do?
62361
Ubuntu stuck on login screen
106048
Is there any way to check df -k hanging for nfs mount issues?
120271
Windows 7 + Deep Freeze - I'm stuck in an endless reboot loop
4870
Unable to mount Windows (NTFS) filesystem due to hibernation
1285
My computer boots to a black screen, what options do I have to fix it?
64692
Gave up waiting for root device, ubuntu--vg-root doesnt exist
43474
Linux process killed even though enough memory available
23286
dpkg: error: dpkg status database is locked by another process
146065
How do I fix booting process in Ubuntu 12.04 after the windows7 removed?
33897
Broken /boot partition: input/output error
51429
How do I troubleshoot a Windows freeze or slowness?
150655
How do I debug an out-of-control "kernel_task" process?
111380
How does Grub Stage1, exactly, access/load stage 2?