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When I've start my system, Ubuntu 14.04, my login screen got stuck, with mouse cursor in middle of the screen. However, sometimes system allow me to enter my credential but the results are same and nothing appeared. After reading 1, 2, I've tried to enter in terminal after pressing Ctrl + Alt + F2, but nothing happened and the same screen is appearing. I've attached the screen image below.

I'm using Lenovo Thinkpad E520.

enter image description here

I need your help for this problem. Thank you.

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I mean no offence but... Did you try restarting your system? (Also, the two topics are about screen freezing AFTER login, you didn't mention login before your screen froze.)

  • 1- I've restart my system many time, nothing happened. 2- Yes, sometimes system allow me to enter my credential but the results are same. -- @Kotshi – Muhammad Toseef Oct 13 '15 at 8:46
  • I've got one suggestion but you might wait for other peoples opinions before trying: If you're using grub, put your cursor on ubuntu then press e to edit. Go to the line starting with "linux" and add `init=/bin/bash`` at the end. Press f10 to boot and you should get a root terminal. Then, try resetting your password or uninstalling/reinstalling your graphical interface. I forgot to ask: did you make changes on your system lately? – Kotshi Oct 13 '15 at 8:57
  • I've pressed 'e' as you said for 'edit' but nothing happened? I've made no changes other than installing updates. – Muhammad Toseef Oct 13 '15 at 8:59
  • What version of grub are you using? – Kotshi Oct 13 '15 at 9:04
  • When your cursor is on Ubuntu inside grub, what is written at the botton om the screen? – Kotshi Oct 13 '15 at 9:30
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Hey try resetting your display device manager.

Go to terminal first ctrl +alt+f2

check default display manager

cat /etc/X11/default-display-manager

restart a display manager:

sudo restart display_manager

e.g.:

sudo restart lightdm

It may help.

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