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I have an dell inspiron n5110 with nvidia graphic. It has 12.10 and windows installed on. It was working fine until a morning when I turned it on an message appeared which said ubuntu cannot found your graphic (sth like that) and it asked if it could reconfigure the graphic card. i have pushed the button nothing actually happened After a reset ubuntu graphic interface started nice but when i was going to suspend in any way, apparently, nothing happens. even the screen doesn't turn black. I should mention after switching to windows it couldn't find my nvidia graphic but after reinstalling the driver i could sleep my laptop in windows. But it still not suspending in Ubuntu.

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1 Answer 1

Try running from terminal the following,

sudo /etc/acpi/sleep.sh
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after doing that it has been suspended properly but how can i add this function to the suspend button? –  MTH Oct 14 '13 at 20:31
    
Go to /etc/acpi and open sleepbtn in gedit. Now change the $KEY_SLEEP to $KEY_SUSPEND and see if it works. You might need sudo permission to edit the file. Also try adding a sudo infront of that last line; `sudo acpi_fakekey $KEY_SLEEP' –  Python Student Oct 14 '13 at 21:17

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