Ubuntu – Can’t login or do a recovery boot since I uninstalled bluetooth


I was trying to get a new bluetooth keyboard and mouse working on my Ubuntu 14.04 laptop and have managed to totally mess up my system. I am wondering what my options are.

I was following this guide: Microsoft Designer Mouse (Bluetooth 4.0) on Ubuntu 14.04 LTS and wasn't having much luck. I uninstalled all the packages I had installed and then tried to revert, but my system crashed (the mouse froze) and I had to restart. The system couldn't shutdown properly and didn't start up properly either (both hung)

These are my issues:

(1) When I start up Ubuntu, it hangs on the loading screen

(2) When I go into recovery mode, and try to manually install bluez via apt-get, then I see the following error:

runlevel:/var/run/utmp: No such file or directory
reload: Unknown instance:
invoke-rc.d: initscript dbus, action "force-reload" failed.
runlevel: /var/run/utmp: No such file or directory
start: Job failed to start
invoke-rc.d: initscript bluetooth, action "start" failed.
dpkg: error processing package bluez (--configure):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for ureadahead (0.100.0-16) ...
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)

I manually created an empty utmp file, but get the same error as above without the utmp lines.

sudo cat /dev/null > /var/run/utmp

(3) When I try enable "Network" from the Recovery menu, it hangs after displaying the error:

ModemManager[14367]: <warn> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0': not supported by any plugin

It looks like the missing plugin is causing the OS to hang when it is loading …

What are my options at this point?

Any suggestions will be gratefully received….

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