Optical drives (at least all modern one's) do not require a driver when run in a Windows environment. The OS provides the support automatically. Is the drive shown/listed in My Computer?
Full 'make model (what it is)' in all questions please, first 3 words.
Capacitors can split or bulge, resistors can burn,, the transformer can fail internally..
Take it for repair unless you have the thousands of dollars of test equipment and have do the 2 year electronic course.
A communication error has occurred between the outdoor and indoor units. Faulty wiring or a malfunctioning control unit may be responsible. Contact LG customer service for assistance. Their number is 1 800 243 0000.
You will need to connect a single HDMI cable from your sound bar to the HDMI ARC or the HDMI eARC port on the Roku T.Make sure that both of the devices are both turned on.When your TV detects the sound bar,it will then automatically initiate the setting up process. Lastly follow the easy on screen instructions to finish setting up the connection.