@Antoine : did you try some of the debugging tips here : https://wiki.ubuntu.com/Hotkeys/Troubleshooting
** Description changed: + On clevo W253EU laptop : + After installing Ubuntu 14.04 LTS, i cannot turn on Bluetooth with Fn+F12 as usual. I have tested other versions of Ubuntu the results are: Ubuntu 12.04.LTS it works Ubuntu 12.04.1 LTS it works Ubuntu 12.04.2 LTS it works Ubuntu 12.04.3 LTS it does not working Ubuntu 12.04.4 LTS it does not working ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: sibold 1910 F.... pulseaudio CurrentDesktop: Unity Date: Thu May 22 09:31:55 2014 HibernationDevice: RESUME=UUID=135e9bbf-c0ff-411b-a1d8-e28de2b970ab InstallationDate: Installed on 2014-05-17 (4 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: CLEVO CO. W240EU/W250EUQ/W270EUQ ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=88147625-e531-4dd3-a5a1-fe593a977841 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127.2 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/09/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 4.6.5 dmi.board.asset.tag: Tag 12345 dmi.board.name: W240EU/W250EUQ/W270EUQ dmi.board.vendor: CLEVO CO. dmi.board.version: V3.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd05/09/2013:svnCLEVOCO.:pnW240EU/W250EUQ/W270EUQ:pvrNotApplicable:rvnCLEVOCO.:rnW240EU/W250EUQ/W270EUQ:rvrV3.0:cvnNoEnclosure:ct10:cvrN/A: dmi.product.name: W240EU/W250EUQ/W270EUQ dmi.product.version: Not Applicable dmi.sys.vendor: CLEVO CO. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1322068 Title: Turn on bluetooth with Fn+F12 not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1322068/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs