@Gianluca: You can grab the latest bios version from http://is.gd/XqTq1B, but unfortunately I did this in one of my friend's PC, and he still had a Win partition, then I used that not to spend too time to figure out another solution.
Although this laptop has a WinPhlash bios, then I think you can also use safely a FreeDOS disk (or usb dongle) with the phlash16.exe utility and the bios file (the ZD13813.wph, probalby renamed as BIOS.wph). Looking around I've seen that there are multiple ways to obtain the phlash16.exe utility, check this one mentioned on the Ubuntu wiki: - https://wiki.ubuntu.com/DellBIOS#Obtaining_and_using_an_image_from_the_WinPhlash_utility -- 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/1310406 Title: [regression] Trusty kernel doesn't recognize GeForce 8600m GT nor with nouveau or nvidia drivers Status in “linux” package in Ubuntu: Confirmed Bug description: When loading trusty (also from a brand new live-USB) in an Acer Aspire 5920G, that has a Nvidia 8600m GT card, the nouveau driver fails to load and the UI falls back to llvmpipe. Using noacpi kernel cmdline doesn't help. The highlights from dmesg are: [ 20.051842] nouveau 0000:01:00.0: enabling device (0004 -> 0007) [ 20.052191] [drm] hdmi device not found 1 0 1 [ 20.052340] nouveau E[ DEVICE][0000:01:00.0] unknown chipset, 0xffffffff [ 20.052346] nouveau E[ DRM] failed to create 0x80000080, -22 [ 20.052540] nouveau: probe of 0000:01:00.0 failed with error -22 Installing the Nvidia drivers 331 or current (304) gives out a similar error when loading the nvidia kernel module: [ 18.405583] nvidia: module license 'NVIDIA' taints kernel. [ 18.405588] Disabling lock debugging due to kernel taint [ 18.418853] nvidia: module verification failed: signature and/or required key missing - tainting kernel [ 18.426016] nvidia 0000:01:00.0: enabling device (0000 -> 0003) [ 18.426115] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none [ 18.426161] NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0407) [ 18.426161] NVRM: installed in this system is not supported by the 331.38 [ 18.426161] NVRM: NVIDIA Linux driver release. Please see 'Appendix [ 18.426161] NVRM: A - Supported NVIDIA GPU Products' in this release's [ 18.426161] NVRM: README, available on the Linux driver download page [ 18.426161] NVRM: at www.nvidia.com. [ 18.426215] nvidia: probe of 0000:01:00.0 failed with error -1 [ 18.426869] NVRM: The NVIDIA probe routine failed for 1 device(s). [ 18.426872] NVRM: None of the NVIDIA graphics adapters were initialized! [ 18.426874] [drm] Module unloaded [ 18.426982] NVRM: NVIDIA init module failed! /var/log/gpu-manager.log: http://paste.ubuntu.com/7286246/ nvidia-bug-report.sh (contains full dmesg and Xorg.log): http://paste.ubuntu.com/7287180/ Fun fact is that the card is supported by the latest nvidia drivers as reported by their appendix [1]. Also they used to work in 12.04. So, I've manually installed the saucy kernel, and with it both nouveau and nvidia modules are loaded properly, making X to load the proper driver and GLX to work. Everything works also using the daily mainline kernel linux-image-3.15.0-999-generic_3.15.0-999.201404190220_amd64.deb. Thus this seems to indicate pretty clearly that the bug is inside the trusty linux kernel itself. [1] ftp://download.nvidia.com/XFree86/Linux- x86_64/331.38/README/supportedchips.html ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.46 ProcVersionSignature: Ubuntu 3.13.0-24.46-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: luca 1967 F.... pulseaudio CurrentDesktop: Unity Date: Mon Apr 21 00:20:42 2014 HibernationDevice: RESUME=UUID=375bbd5e-c25c-4d6e-bfa4-66bed5e80cb0 InstallationDate: Installed on 2011-12-28 (844 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MachineType: Acer, inc. Aspire 5920G ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=d9d0e5ab-b408-439e-ae8b-c2bf704713bf ro quiet splash vt.handoff=7 noacpi 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 SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2014-04-19 (1 days ago) dmi.bios.date: 08/15/2007 dmi.bios.vendor: Acer dmi.bios.version: v1.3708 dmi.board.name: Chapala dmi.board.vendor: Acer, Inc. dmi.board.version: Not Applicable dmi.chassis.type: 1 dmi.chassis.vendor: Acer, Inc. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAcer:bvrv1.3708:bd08/15/2007:svnAcer,inc.:pnAspire5920G:pvrNotApplicable:rvnAcer,Inc.:rnChapala:rvrNotApplicable:cvnAcer,Inc.:ct1:cvrN/A: dmi.product.name: Aspire 5920G dmi.product.version: Not Applicable dmi.sys.vendor: Acer, inc. 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