My device is running Linux Mint 19.2 Cinnamon since I upgraded it last friday and everything worked until I experienced problems yesterday evening. In the morning I had updated the following packages, where some of the changes kicked in after the reboot and seem to produce problems now:
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libsystemd0 systemd libpam-systemd libudev1 libudev-dev udev systemd-sysv ndiswrapper-dkms ndiswrapper
I already tried reinstalling the current kernel version and the ndiswrapper* packages (which did not show an error during installation), but after rebooting this has not changed anything at all. As it is an older Lenovo ThinkPad, I also made sure that the hardware switch is not disabled - it is active.
How can I fix these problems?
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$ inxi -Fxz [...] CPU: Topology: Dual Core model: Intel Core i5-2520M bits: 64 type: MT MCP arch: Sandy Bridge rev: 7 L2 cache: 3072 KiB flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19935 Speed: 797 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 797 2: 797 3: 797 4: 797 Graphics: Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics vendor: Lenovo driver: i915 v: kernel bus ID: 00:02.0 Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa resolution: 1366x768~60Hz, 1920x1080~60Hz OpenGL: renderer: Mesa DRI Intel Sandybridge Mobile v: 3.3 Mesa 19.0.2 direct render: Yes Audio: Device-1: Intel 6 Series/C200 Series Family High Definition Audio vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 00:1b.0 Sound Server: ALSA v: k4.15.0-55-generic Network: Device-1: Intel 82579LM Gigabit Network vendor: Lenovo ThinkPad T520 driver: e1000e v: 3.2.6-k port: 5080 bus ID: 00:19.0 IF: enp0s25 state: down mac: <filter> [...] $ rfkill list all 0: tpacpi_bluetooth_sw: Bluetooth Soft blocked: yes Hard blocked: no $ iwconfig lo no wireless extensions. enp0s25 no wireless extensions.