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Hello this is my first question on here, but after looking around I cant seem to find a fix for my problem.

So here it is, Everytime I start up my PC I get the usual "enter Passcode" Which I do. But after this all I get is a black screen.

I already have the Ubuntu OS installed on my PC perfectly (well not so perfectly). I cant seem to determine what the problem is, and sorry for the lack of any detail. If any is needed I am willing to oblige.

Elder Geek
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Zack
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  • after reading through that question I believe my problem is with in the display or rather unity not working. does anyone know how to fix. – Zack Feb 19 '15 at 22:28

2 Answers2

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Maybe your Ubuntu is not installed correctly. You may use your disc (If you have one) OR your USB drive to install Ubuntu again. (You can use Lili to install Ubuntu on your USB drive) Before that, copy your files, because you may lose some of them.

TecPointV5
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If Unity isn't working reboot the machine, open a terminal with Ctrl+Alt+F1

obtain dconf-tools with 

sudo apt-get install dconf-tools

Next, 

dconf dump /org/compiz/ > ~/Desktop/myCompizSettings

This will dump your Compiz Settings into a file on your Desktop for later review if needed.

dconf reset -f /org/compiz/

will reset compiz settings to default.

Finally, 

setsid unity

The above command will restart Unity.

Return to the GUI with Ctrl+Alt+F7

Elder Geek
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  • I am not able to install dconf-tools, i get a bunch of errors when continuing with Y – Zack Feb 19 '15 at 22:43
  • If you told me what errors I could likely help you search for the answer to that which is already here. – Elder Geek Feb 19 '15 at 22:50
  • E: Unable to fetch some archives, maybe run apt-get or try with --fix-missing? this is at the bottom – Zack Feb 19 '15 at 22:58
  • What happens when you try with the --fix-missing switch? – Elder Geek Feb 19 '15 at 23:07
  • I get a command not found, mind i can only use the recovery console. – Zack Feb 19 '15 at 23:11
  • What do you get with 'sudo apt-get check` ? – Elder Geek Feb 19 '15 at 23:16
  • nothing that runs smoothly with zero errors – Zack Feb 19 '15 at 23:21
  • What happens if you boot normally, use the key combo CTRL-ALT-F1 to open a terminal and attempt the answer from there? – Elder Geek Feb 19 '15 at 23:22
  • when I boot normally I can put in my password then blackscreen, at which point i get nothing no matter what. when I hit ctrl-alt-f1 at the password screen just before blackscreening I cant do anything in the terminal that does open. – Zack Feb 19 '15 at 23:26
  • does it prompt you to login when the terminal opens? – Elder Geek Feb 19 '15 at 23:31
  • No, only when I boot normally or when I go into the recovery menu – Zack Feb 19 '15 at 23:37
  • So if you boot normally, and then login, you get a black screen, but CTRL-ALT-F1 opens a terminal without a login prompt???? – Elder Geek Feb 19 '15 at 23:39
  • I would say when I hit CTRL-ALT-F1 a black screen with the ability to type on it comes up, but thats it. its blank and nothing happens – Zack Feb 19 '15 at 23:41
  • It would appear there is more wrong here than just unity. – Elder Geek Feb 19 '15 at 23:43
  • oh gosh, im thinking about just reinstalling the whole thing again – Zack Feb 19 '15 at 23:45
  • At this point I suggest you go back to http://askubuntu.com/questions/162075/my-computer-boots-to-a-black-screen-what-options-do-i-have-to-fix-it and review the section titled "An update or something else caused my problem" – Elder Geek Feb 19 '15 at 23:46