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Dell Inspiron 4150 laptop
EDIT (previously Hardy): Ubuntu Intrepid

EDIT (previously resume worked if lid was not closed): 
Resume from suspend no longer works regardless of whether lid is closed or not. 

EDIT (previously only related to lid open/close): 
Suspend via log-out menu, resume by power button (if lid was never closed) or 
lid open. Results in no video output, or large square mouse cursor. Only option 
is to hard reboot.

Have tried some changes to acpi-support, lid.sh, and resume.sh to no
avail.

EDIT (additional information): 
Successful suspend/resume by running two scripts in terminal. Scripts use 
vbetools commands and are posted in forums here: 
http://www.ubuntuforums.org/showpost.php?p=1500286&postcount=2

Still unable to suspend via Ubuntu gui suspend functions; however,
resume randomly worked once out of roughly 50 failed attempts.

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete

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garbled or no video output after resume from suspend (Inspiron 4150)
https://bugs.launchpad.net/bugs/31425
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