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Try this: At boot time choose to go to recovery mode in the GRUB menu. Then choose to repair filesystems, when it finishes then reboot. Now you'll see booting will be fine until sooner or later it'll happen again and then you've to repeat the procedure. If you're a little more into tinkering with your computer try to install the newest kernel from: ...


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Use kaffeinety. It is an application that prevents power management actions from triggering when certain applications are running. You can then go into system settings -> power management and add the application to the lis


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You should have a Ubuntu folder inside Windows. Maybe you can use a USB stick with ubuntu to boot your system so you can see the files inside that folder. IMHO you should install ubuntu properlly because wubi is not a good solution. See this link Installation from USB stick Or you can try this: How to restore the wubi ubuntu bootloader


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I had the same issue with a brand new Lenovo Flex 2 with Ubuntu 14.04 LTS. After a lot of trial and error (online research, Lubuntu 14.10 live CD, installed Windows 7, updated BIOS) I fixed it by disabling xHCI on the BIOS. Hope it works for you, otherwise you might want to try unloading the xhci module BEFORE shutting down the laptop.


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I had the same issue with a brand new Lenovo Flex 2 with Ubuntu 14.04 LTS. After a lot of trial and error (online research, Lubuntu 14.10 live CD, installed Windows 7, updated BIOS) I fixed it by disabling xHCI on the BIOS. Hope it works for you.


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I have a similar problem on Lubuntu 14.04, with the added nuisance of a bunch of error boxes popping up on booting. After a bit of digging, I have concluded that the following might be relevant: /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 is not running (not listed when I run ps aux | grep pol). Attempting to start it throws: Cannot ...


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It may be shutting down to prevent overheating. Have you checked that the CPU temperature is not reaching dangerous levels?


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I detected a error, if the filesystem is formatted in FAT32 or a similar file system that supports a maximum of 4GB per file and you tried to make a 1TB file on the HDD, the most probable fail is that when the file reached 4GB, the program stopped and the computer halted. The correct command would be: dd if=/dev/zero | pv -t -e -r -a -b -s 930000000000 | ...


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If all else fails on any 'sudo' based linux system using sudo shutdown -h -now should put the system into shutdown, tidying up on the way. The alternative is sudo kill -9-1 which will do the same thing but with a little more force. I would have been interested to know if in the above situations these commands worked or not. David


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You probably have this in Firefox's settings: If you go to Firefox's settings, you can change this behaviour by clicking the above box and changing it to: When Firefox starts: Show my windows and tabs from last time If you have the Firefox's standard home page (not Ubuntu's, use about:home as the home page), it may also show a button saying ...


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That animation is not a loading one, so there is no relationship between how many dots are light up and the status of any action (weather is starting or stopping Ubuntu). The behaviour of Firefox that you describe doesn't imply that Ubuntu didn't shut down correctly. It can mean that Ubuntu killed (is the term used) Firefox without letting it to do a proper ...


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It depends to your hardware and your Ubuntu vetsion both, so it seams you are using a hardware that ia not Ubuntu certified(http://www.ubuntu.com/certification/). More information about hardware can help others to solving your problem.


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You may create script for shutdown by executing following commands : sudo gedit shutdown_system and write sudo poweroff in the file and save it. then change permission by chmod +x shutdown_system Execute the file for shutting down the system. ./shutdown_system Hope it helps!


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The shutdown from the UI rarely works for me. It has been very iffy in versions for the last 4 years. Someone might be able to place insight on directly why. But for a resolution you can install cairo-dock and use that UI shutdown problem free. You can install it with: $ sudo apt-get install cairo-dock Now run it from the Launch button. Use this ...


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I had the same problem with my new intel motherboard and core i5 processor, Ubuntu 14.04.1 64bit OS. I tried to disable wakeup from LAN from bios and did not get any success. Then I modified GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" acpi=force apm=power_off. Still no success. One of my colleagues suggested that, ...


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*/150 * * * 0,6 gnome-session-quit Works fine.


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I've tried everything that's been suggested but unfortunately, nothing worked. I already disabled wake on lan but the problem still occurs. However, after reading this bug report i found out that the bios settings causes this behaviour. It says there that you should enable keyboard and mouse power on. Now the reboot on shutdown is fixed.



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