Whne i press the HDMI button to switch from my son's games to watching a movie, it says no input signal. several times when i pressed the hdmi button it would also decide to move onto HDMI3 or 4 which we don't have.
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This sounds like a basic setup, so correct me if I made any wrong assumptions.
You have 2 "output" devices: a Roku and a cable box. Both have HDMI outputs.
You have 1 "input" device (your TV) that has 2 HDMI inputs available.
So, you need one HDMI cable to connect your cable box to your TV. Remember what HDMI port it's connected to - the back of your TV probably says "HDMI 1" and "HDMI 2" or similar. That's the "input name" of your TV.
Connect your Roku to your TV with another HDMI cable.
Now turn on your TV and use the remote to change between the inputs. Most remotes have a button that says INPUT or SOURCE (or sometimes a dumb little icon with no writing). If you press that it should change inputs. Usually, each time you push the button will cycle to the next input, so sometimes you have to hit it a bunch of times until the on screen menu shows the input you want. Most TVs will automatically switch to the selected input after a few seconds, so you don't have to push any buttons on the remote to tell the TV to change inputs.
If "at the same time", you meant actually watching both Roku movies and your cable at the same time, you are talking about a TV feature usually called "picture in picture". That should be possible, but will depend very much on your TV. I'd suggest checking your TV manual, or calling the company's 1-800 number and asking them to talk you through it.
Check the back of your Sharp TV for the HDMI input. These
will be long, thin rectangular jacks labeled "HDMI." Most Sharp TVs will
include another label on those jacks with an input number ("Input 5,"
"Input 6" or the like). Remember that number. It will have a bearing
when you turn on the TV.
Connect one end of an HDMI cable to the input jack on the
Sharp TV and the other end to a compatible component such as an HD DVR
from your cable/satellite company or a Blu-Ray disc player. The TV won't
broadcast in HD if you can't connect these devices with an HDMI cable
(though it will still broadcast in standard definition using RCA cables
or S-video cables).
Turn on the TV and the requisite component (Blu-Ray, DVR).
Press the "Input" button on your remote. A list of signal
sources will appear on your screen ("Input 1," Input 2," etc.). Use the
cursor to maneuver down to the input number corresponding to the HDMI
outlet you just hooked up and press the "Input" button again.
Press the "Menu" button and maneuver the cursor to select
"Option." Go to "HDMI Setup" and press "Enter." Move the cursor up or
down to the desired item and hit "Enter" again. Then move the cursor
from side-to-side to select the proper setting. Hit "Enable" to allow
the Sharp TV to automatically recognize the HDMI signal and "Digital" to
get the proper audio signal from the HDMI cable. Then hit "Enter"
Check the power. Don't be embarrassed if your problem is as
simple as an unplugged power cord. It's better that you should discover
this than pay a repair technician to come out to your house and find
Isolate the problem. The main troubles that will crop up with a TV set are either no picture, no sound or both.
Check the input setting on your remote control. If you have
other devices connected to the TV, such as a video game system, those
devices must be used with a different input setting than the input you
use for watching programs or movies on a DVD or Blu-Ray player. Chances
are, the kids were playing a game and forgot to turn the input back the
way it was.
Press the Input button on your remote control to return to
the setting you wish to use. For example, the cable box might be
connected to Input 1 and your DVD player might be connected to Input 2.
Newer television sets have at least 3 inputs.
Check the coaxial connection from your cable or satellite
receiver to the television. The cable should be attached securely by
twisting the round lock nut clockwise. Also check the power connections
for the satellite or cable receiver. If either is unplugged, you won't
receive a programming signal on the TV.
Make sure the video cable is securely attached to the TV jack if you have a home theater system. The video cable runs from the Video Out jack on your home theater receiver to the Video In jack on the back of your TV.
Check your receiver setting. Home theater receivers manage
several components, so if you have the receiver set to operate the CD
player but you are trying to watch a movie on your Blu-Ray player,
you'll need to change the selection to Blu-Ray to watch the movie on
Check the TV speakers to see whether they have been muted by
accident. Press the volume button on your remote control or go to the
Menu section and scroll down until you reach TV Speakers. Toggle left or
right to turn the speakers on or off.
Press the speaker button on your receiver to make sure your
external home theater speakers are activated. Many home theater systems
use external for their superior audio rather than the speakers inside a television
You should have 2 options with your PS3 system that are included, and a couple more if you buy extra accessories. First, (and the best option) is to use the HDMI cable that came with your PS3. Simply plug it into the back of the PS3 and into one of the available HDMI slots on the TV (preferrably "HDMI 1", power up the PS3 with the switch in the back, then press the power button on the front. It should recognize that you've connected the PS3 to an HDMI cable and you just have to switch the TV to the "HDMI 1 input" with the remote. Done.
Next option (included with the PS3) is the RCA (A/V) cable which is the red/white/YELLOW cable. Connect these wires to the PS3 and the TV keeping with the color code and find the "Video 1" input with the remote. This time you may need to switch on the power of the PS3 in the back but press and HOLD the power button on the front until you hear 2 consecutive beeps which will switch the PS3 back to the factory setting of the A/V cable.
There are 2 other options using accessories for "Component Video" and "Coaxial" (same as a cable/satellite box) but the process is essentially the same. These cables are not usually included in a new PS3 console and will have to be purchased separate.
Also, in order from best picture to not-so-great picture would be: HDMI (Best), Component, A/V (RCA), and Coaxial (not-so-great). Good luck and enjoy your PS3, it has so much you can do, without having to pay extra like another popular console out there, like free blue-ray compatibility, free online game play, some free DLC for certain games, and now they're updating all the PS3's to support 3D GAMES AND MOVIES!!! :D
There should be a button on your remote that says "TV/USB". Try clicking it, that should take you to a blue screen that says No Signal, click Input, and you should be able to access your cable from the list of Input sources. This happened to me today, very annoying and unnecessarily confusing, especially since most buttons you press result in a screen that reads "Not Available." Urrgghhh.
try using an alternate input source like a dvd or game console and see if you can duplicate the problem. then call vizio support and describe your problem. a lot of vizio parts have lifetime warranties on certain parts and a free service call to change out parts.
could have an issue with main board that has hdmi input. if you have 2 hdmi inputs on the TV, try the alternate input, too. vizio has had some issues with main boards. have worked on them for 3 years. hope this helps.
Found some relevant info on how to adjust your video settings... You might want to give it a try!
4.12 PC Input Picture Adjustment
The Picture Adjust menu operates in the same
way for the PC Input as for the DTV / TV input in
section 4.2 for Backlight, Contrast, Brightness and
Color Temperature. 4.12.1 Auto Adjust
When the MENU button is pressed, the On Screen
Display (OSD) appears on the PICTURE ADJUST
page. Press the button to highlight the Auto
Press the button for the LCD HDTV to adjust to
the PC signal timing automatically. 4.12.2 H-SIZE
Press the button to highlight the H-Size selection.
Press the button to start adjusting the horizontal size of the picture. Use the or button to adjust
the horizontal size. 4.12.3 Horizontal Shift
Press the button to highlight the Horizontal Shift selection.
Press the button to start adjusting the horizontal position of the picture. Use the or button to
adjust the horizontal position. 4.12.4 Vertical Shift
Press the button to highlight the Vertical Shift selection.
Press the button to start adjusting the vertical position of the picture. Use the or button to adjust
the vertical position. 4.12.5 Fine Tune
Press the button to highlight the Fine Tune selection.
Press the button to start tuning the to the PC signal. Use the or button to adjust the tuning
4.14.1 Understanding Viewing Features
Your LCD HDTV features four viewing modes and Picture-In-Picture (PIP)/Picture-by-Picture (POP) mode.
You can switch viewing modes using the remote control. 4.14.2 Viewing Modes Normal Mode
The original 4:3 aspect ratio (1.33:1 source) is preserved, so black bars are
added to the left and right of the display image. Standard TV broadcasts are
displayed with a 4:3 Aspect Ratio. Movies in 4:3 Aspect Ratio may be referred
to as pan-and-scan or full frame. These movies were originally filmed in 16:9
(widescreen), and then modified to fit a traditional TV screen (4:3). Wide Mode
When watching a standard broadcast or full-frame movie in this mode,
the display image is stretched proportionately to fill the TV screen.
When watching a widescreen (1.78:1 source) program or movie, the
display image fills the TV screen. If you are watching a widescreen
(1.85:1 or 2.35:1 source) program or movie, there will still be black
bars at the top and bottom. Zoom Mode
When watching a widescreen (1.78:1, 1.85:1, or 2.35:1 source)
program or movie, the display image is zoomed proportionally to fill the
width of the screen. The top and bottom are cut off to remove most of
the source material’s black bars. This mode is good for programs or
movies with sub-titles. Panoramic Mode
When watching a standard broadcast or full frame movie in this mode,
the 4:3 Aspect Ratio (1.33:1 source) display image is stretched
horizontally on the left and right sides to fill the TV screen. The center
of the image is not stretched.
Note: Viewing modes are saved based on input. For example, you lasted watched a DVD in widescreen mode and then watched TV in standard mode. When you switch back to DVD input, the viewing mode will return to widescreen.
This happened to me a few years back so I apologize if it's not 100% accurate. If you can get it to work on another TV, go ahead and connect it to that, and go in to the settings to select the video input. If it's connected through an HDMI cable, then it will probably be set to HDMI. Change the input here to whatever cable you used in the living room. You will have to power it off at this stage, but when you connect to the other TV it should work.