Taihsiang Ho, as per
http://www.dell.com/support/home/us/en/04/product-support/product/alienware-x51/drivers
an update to your BIOS is available (A14). If you update to this following
https://help.ubuntu.com/community/BiosUpdate does it change anything? If it
doesn't, could you please both specify what happened, and provide the output of
the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
Thank you for your understanding.
** Tags added: bios-outdated-a14
** Changed in: linux-lts-raring (Ubuntu)
Importance: Undecided => Low
** Changed in: linux-lts-raring (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1263026
Title:
[Dell Alienware X51][PM: Some devices failed to suspend] could not
suspend
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