Zoltan Palagyi, as per http://www.dell.com/support/home/us/en/19/product-support/product/vostro-5470/drivers an update to your BIOS is available (A09). 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
Please note your current BIOS is already in the Bug Description, so posting this on the old BIOS would not be helpful. As well, you don't have to create a new bug report. As well, you don't have to create a new bug report. For more on BIOS updates and linux, please see https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette . Thank you for your understanding. ** Tags added: bios-outdated-a09 ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Summary changed: - wifi keeps dropping + 8086:08b1 [Dell Vostro 5470] WiFi keeps dropping ** Summary changed: - 8086:08b1 [Dell Vostro 5470] WiFi keeps dropping + 8086:08b1 (rev 73) [Dell Vostro 5470] WiFi keeps dropping ** Description changed: - Wifi only works if I'm within 2-3 m from the router. (Intel Wireless - 7260) See also - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1305305 + Wifi only works if I'm within 2-3 m from the router. + + Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 73) + Subsystem: Intel Corporation Wireless-N 7260 [8086:4462] ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-30-generic 3.13.0-30.54 ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2 Uname: Linux 3.13.0-30-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: zoltan 1528 F.... pulseaudio - /dev/snd/controlC1: zoltan 1528 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: zoltan 1528 F.... pulseaudio + /dev/snd/controlC1: zoltan 1528 F.... pulseaudio CurrentDesktop: Unity Date: Sat Jun 28 20:20:25 2014 HibernationDevice: RESUME=UUID=37e4a4dd-23aa-4f64-9819-ad9ac81ce00a InstallationDate: Installed on 2014-05-17 (42 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Dell Inc. Vostro 5470 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic root=UUID=4113e76e-862f-4e4e-88c5-ccb82732ef5a ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.13.0-30-generic N/A - linux-backports-modules-3.13.0-30-generic N/A - linux-firmware 1.127.4 + linux-restricted-modules-3.13.0-30-generic N/A + linux-backports-modules-3.13.0-30-generic N/A + linux-firmware 1.127.4 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A05 dmi.board.name: 0G5M5F dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA05:bd12/06/2013:svnDellInc.:pnVostro5470:pvr:rvnDellInc.:rn0G5M5F:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: Vostro 5470 dmi.sys.vendor: Dell Inc. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1335475 Title: 8086:08b1 (rev 73) [Dell Vostro 5470] WiFi keeps dropping Status in “linux” package in Ubuntu: Incomplete Bug description: Wifi only works if I'm within 2-3 m from the router. Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 73) Subsystem: Intel Corporation Wireless-N 7260 [8086:4462] ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-30-generic 3.13.0-30.54 ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2 Uname: Linux 3.13.0-30-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: zoltan 1528 F.... pulseaudio /dev/snd/controlC1: zoltan 1528 F.... pulseaudio CurrentDesktop: Unity Date: Sat Jun 28 20:20:25 2014 HibernationDevice: RESUME=UUID=37e4a4dd-23aa-4f64-9819-ad9ac81ce00a InstallationDate: Installed on 2014-05-17 (42 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Dell Inc. Vostro 5470 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic root=UUID=4113e76e-862f-4e4e-88c5-ccb82732ef5a ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-30-generic N/A linux-backports-modules-3.13.0-30-generic N/A linux-firmware 1.127.4 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A05 dmi.board.name: 0G5M5F dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA05:bd12/06/2013:svnDellInc.:pnVostro5470:pvr:rvnDellInc.:rn0G5M5F:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: Vostro 5470 dmi.sys.vendor: Dell Inc. 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