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No Sync Detected

Hello Sir, On the screen, all that appears is NO SYNC DETECTED. Please tell me what I need to do. Thanks,

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Re: No Sync Detected

Is this while trying to use a HD cable box, sat. rcvr, or DVD payer? Make sure the output is set a format the TV can do ie: 480i,480p,720p or 1080i. Some HD TV's cannot do 720p and possibly will say no sync.

Posted on Apr 07, 2007

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No sync detected

Your laptop has 3 video-options:
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Press-and-hold the 'FN' ("Function") key, and press one of the F1-through-F12 keys, to cycle through the above 3 modes, until you get what you want.

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Contact any service technician. That will be the best. It sounds like a main board fault.

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My hisense model pdp4220eu no sync detected keeps coming up on the screen

Hi, Try unplugging it for 1 hour. This will reset all settings to default. This may fix it. if it does not, take it to TV Good luck

Jul 24, 2011 | Hisense Flat Panel Televisions

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What do I need to connect my laptop/wii/dvd player to my Sharp Quattron Aquos Led TV? Please need an urgent answer please?


1 Press MENU to display the MENU screen, and then

press [=> or <=] to select "System Options".

2 Press [Up or Down] to select "Input Terminal Setting", and

then press ENTER.

3 Press [Up or Down] to select "PC input", and then press


4 Press [Up or Down] to select a specifi c adjustment item,

and then press ENTER to set each item.

5 Press [Up or Down] or [=> or <=] to select or adjust the desired
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Adjusting the PC Image

Auto Sync. (for Analog PC Input Mode Only)

For automatically adjusting the PC image.

Yes: Auto Sync. starts and "Now adjusting the image."


No: This function does not work.

When "Auto Sync." is successful, "Completed" displays. If

not, "Auto Sync." failed.

"Auto Sync." may fail even if "Completed" displays.

"Auto Sync." may fail if the computer image has low

resolution, has unclear (black) edges, or is moved while

executing "Auto Sync.".

Be sure to connect the PC to the TV and switch it on before
starting "Auto Sync.".

Mar 14, 2011 | Sharp Flat Panel Televisions

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Hi. My AKAI CT 2985 is out of sync in horizontal & Vertical .Now plese tell me how can solve this problem?

sir pls help me. i need akai ct2985 remote control model no. i lost my remote in transit and without it i'm not able to use the tv. my mail id : pls help. thanks & regard's. jayaram

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When I turn on my LCD TL3220 the screen shows a 3" x 6" silver box that says "no sync detected". I have checked the cable box and that seems to be working. Any suggestions

The word ''no sync detected' means that there is no video connection between the cable box and the TV set. Isolate the source of trouble by connecting to the TV a prevoius video source that worked properly e.g DVD player. You should also try to get a new set of video cables as the ones you have may be internally broken.
Please follow the installation instructions carefully especially the colour codes of the video and audio cables i.e yellow cable to yellow connectors of TV and cable box , Red cable to red connectors of TV and cable box etc.
good luck!

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Tv comes on but only displays 'no sync detected'

What are you using for signal and where do you have it plugged into?

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