When I click to open Netflix from Roku, there is no title pictures showing in the little boxes. There are only little pictures of a TV. What happened

SOURCE: how to connect Netflix Roku player with pc and tv

Yes, it connects directly to your TV with a choice of cables - check their site for a description of your options there.  And if you have a wireless network (router) it will connect to the internet through that, so you don't need to have a cable running back to where your computer is.  

SOURCE: Support for the Roku netflix box says the Dell Router is blocking

how to connent the roko and what or where is the router

SOURCE: Continually Losing Signal with Netflix Roku Player

May be a Bug in the software check forums for solutions , any sofware patches. also google search forums on line for support.

SOURCE: Connecting to Netflix with a Roku video player

What is the exact error message??
Are you unable to connect to LAN or Internet Or Wireless network

SOURCE: Universal remote - program digital converter box and Roku?

if you still have your remotes you can program the buttons for each funtion.
1. Hold down P until the red light blinks
twice.
2. Press 9 7 5. The red light blinks twice.
3. Press the device key that corresponds with
the desired device's remote (TV, CBL/SAT,
DVD, VCR or AUD).
4. Press the desired learning key. The red light blinks rapidly.
5. Place the device's remote control head-to-head
(about 2 inches apart) with the
11
Gamer Remote.
6. On the device's remote control, hold down the key to be learned until the red light on the Gamer Remote blinks twice. If the red light does not blink twice, repeat Steps 1- 5.
7. To lock in learned functions on the Gamer Remote, hold down P until the red light blinks twice.
8. To test a learned function, press the learned key on the Gamer Remote and use the function as usual.