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Try this: Click the speaker icon in the top right of the desktop screen. Click sound settings. Under output, make sure it is set on the device that you want to play sound through. (I also had this problem when switching from Windows 10)


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Have you tried this: sudo dpkg --configure -a and it might work fine this way.


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I resolved the problem with a better trackpad insulation. I've an Acer TMB-115M similar to Aspire V3-111, they have the battery inside closed to the trackpad. There's a resonance phenomenon that create problem of jumping. Into service normally they ground better the trackpad with the laptop frame to resolve this issue. So putting an insulator tape or some ...


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I had a loong fight to get touchpad working (in basic mode, no 2-finger scrolling), finally working: ` i8042.nopnp needed for problematic ACER Aspire E15 E5-573-C1SG touchpad (no Advanced/Basic mode for touchpad in "F2" BIOS) /boot/vmlinuz-4.6.1 root=/dev/sda3 ro init=/sbin/e4rat-preload i8042.nopnp i8042.kbdreset psmouse.proto=imps ATHDELAY=1 ABOVE ...


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Digging through here for things to try I eventually followed leads to How to install the Boot-Repair tool in an Ubuntu live disc?. This took care of it. WHen I boot it starts out with Windoze boot issues (which I had not been seeing) and looks like it's going to crash in a new and more pointed manner but then goes into a the Grub to boot Ubuntu and flies on ...


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Who knows when/if this problem: "systemd-shutdown: Failed to finalize DM devices. ignoring." will ever be fixed on this old platform - nothing I've read would suggest it'll be anytime soon. In the meantime, this work-around allows me to reboot my server without physically power cycling the machine. All the following commands are under sudo: Put these ...



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