I installed Ubuntu 12.04 on HP DM4 Beats Edition and the suspend and wake up were working perfectly, but after an update I can't see 'Caps Lock' light, Wireless light etc, the fan is running but the screen stays black. Anyone else has spotted this? Is this a bug? Any idea how to fix it?
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possible duplicate http://askubuntu.com/questions/19111/laptop-screen-does-not-turn-on-after-sleep – binW Apr 23 '12 at 13:37
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possible duplicate http://askubuntu.com/questions/14289/laptop-does-not-wake-up-after-sleep – binW Apr 23 '12 at 13:38
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Welcome to Ask Ubuntu! This question should instead be filed as a bug report, thanks! Instructions here. – Jorge Castro Apr 23 '12 at 22:47
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I am having the same issue, my solution is to after wakeup, press Ctrl+Alt+F1, then Ctrl+Alt+F7, and my desktop shows up. – marcinj May 09 '12 at 11:00