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[ubuntu] Suspend and hibernation problems on Laptop.

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http://ubuntuforums.org – I have a Acer Aspire 5515, 1.6Ghz AMD, 3GB RAM, ATI Xpress 1200 graphics. I'm running Ubuntu 12.04 LTS 32 bit. I cannot suspend or hibernate, I've tired many of the options I've found via google (scripts, uswsusp, etc, etc) but nothing works. When I go to hibernate all that happens is the system goes to a blank screen and never shuts off, left it up for 15 mins, nothing, end up having to power down and restart. If I attempt to suspend, it seems like it will work properly, but then it will not come back, you just see the screen flicker ever so slightly and it never comes back up, tried (Hardware)