Comment 17 for bug 1433906

I have the same problem. Its frustrating and I have to switch between windows and ubuntu again and again.

output of `lsb_release -a`
``` $bash
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.3 LTS
Release: 14.04
Codename: trusty

` uname -a `
```$bash
Linux sarthak-ThinkPad-E550 3.19.0-31-generic #36~14.04.1-Ubuntu SMP Thu Oct 8 10:21:08 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

` sudo lsusb `
```$bash
Bus 003 Device 002: ID 8087:8001 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 5986:055a Acer, Inc
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
Bus 001 Device 005: ID 05c6:f003 Qualcomm, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub