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When i try to reactivate my notebook after it went to standby or suspend mode the screen stays black. The only solution i have is to reboot the notebook by pressing the shutdown button. Anyone has any idea to fix the problem?

Andy
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fmowrg
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    We would need a lot more info before giving any useful answer. Please list your notebook's make, model, specific configuration (specifications) and any proprietary drivers used. – Nicolay Doytchev Oct 17 '10 at 07:01
  • Hangs of this nature can have a number of causes which appear similarly. Is the backlight on for the screen (is it lit up in the dark)? Are you able to switch virtual terminals to VT-1 (press ctrl-alt-F1), if this works you will see a black screen with a textual login prompt. Does the machine respond on the network (ping .local from another system)? – Andy Nov 18 '10 at 10:09
  • I also have this problem with the screen going black after suspend or resume on an Asus Eee PC 1201N. – practicalli-john Nov 18 '10 at 11:19
  • I am using Ubuntu 10.10, upgraded from 10.04 using the update manager. Suspend and hibernate worked previously on Ubuntu 10.04. The 1201N laptop seems to suspend and hibernate successfully and when I press the power button to return from suspend or hibernate is seems to work correctly (disk drive activity), however the screen simply does not display. If I drop down to a terminal window (Alt-F1), still nothing is displayed. If I do a Ctrl-Alt-Del keyboard combo then the laptop will reboot as normal and the display is resumed – practicalli-john Nov 18 '10 at 11:27
  • I have tried to use the fix stated in the Ubuntu 10.10 release notes, but this has not worked https://wiki.ubuntu.com/MaverickMeerkat/ReleaseNotes I also described this fix on my blog at: http://jr0cket.blogspot.com/2010/10/ubuntu-1010-hibernate-suspend-bug-fix.html – practicalli-john Nov 18 '10 at 11:37
  • Once I installed the nVidia closed source video drivers, the Asus Eee PC 1201N resumes correctly from hibernate. There seems to be a power management related bug with the open source video drivers for nvidia cards. – practicalli-john Nov 23 '10 at 20:07
  • How much swap have you allocated? – Junkbot Jan 22 '11 at 06:00
  • Are you able to switch to a different run-mode? (alt-control-f1). A Full kernel log would be preferrable, since there are literally hundreds of possible issues that can cause this. – crasic Jun 04 '11 at 06:09
  • This question seems abandoned, there is no visible activity or information added to it for several months. I have flagged a moderator and am voting for it to be closed. If you feel that the question is not abandoned and that you still suffer from this issue please flag a moderator so that it can be re-opened. – Bruno Pereira Feb 01 '12 at 18:42

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