Please try toggling the switch in the header bar to ON (next to the minimize/maximize/close buttons).
If that doesn't work then it appears the problem is that the kernel has not detected your bluetooth hardware (see rfkill.txt above). ** Also affects: gnome-control-center (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: bluez (Ubuntu) Status: New => Incomplete ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1767258 Title: bluetooth cann't open Status in bluez package in Ubuntu: Incomplete Status in gnome-control-center package in Ubuntu: Incomplete Status in linux package in Ubuntu: Incomplete Bug description: I can't open bluetooth in the setting panel,it's gray. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: bluetooth (not installed) ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Fri Apr 27 12:01:53 2018 InstallationDate: Installed on 2018-03-15 (43 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180307) InterestingModules: bnep btusb bluetooth MachineType: Acer TravelMate P257-MG ProcEnviron: LANGUAGE=zh_CN:zh PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=zh_CN.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic root=UUID=cd20b9a0-1844-4466-9658-8981e660c11a ro quiet splash vt.handoff=1 SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/27/2015 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.14 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: BA50_BH dmi.board.vendor: Acer dmi.board.version: Type2 - A01 Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Chassis Manufacturer dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.14:bd11/27/2015:svnAcer:pnTravelMateP257-MG:pvrV3.72:rvnAcer:rnBA50_BH:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion: dmi.product.family: BDW dmi.product.name: TravelMate P257-MG dmi.product.version: V3.72 dmi.sys.vendor: Acer hciconfig: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1767258/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp