bluex@Bluex-HP-15-Notebook-PC:~$ sudo ubuntu-drivers devices && sudo ubuntu-drivers list 
== cpu-microcode.py ==
driver   : amd64-microcode - distro non-free

== /sys/devices/pci0000:00/0000:00:02.1/0000:01:00.0 ==
model    : Sun LE [Radeon HD 8550M / R5 M230]
manual_install: True
vendor   : Advanced Micro Devices, Inc. [AMD/ATI]
modalias : pci:v00001002d0000666Fsv0000103Csd000022CEbc03sc80i00
driver   : fglrx - distro non-free
driver   : xserver-xorg-video-ati - distro free builtin recommended
driver   : fglrx-updates - distro non-free

amd64-microcode
fglrx
fglrx-updates