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Insignia LCD TV won't recognize computer input...

I recently bought an Insignia 19" LCD TV [NS-LCD19 720p] (with 1440X900 display resolution and NTSC tuner) and am trying to connect it to my Apple MacBook 15". I purchased a DVI to VGA cable, and a mini-DVI to DVI adapter which works fine. When plugged in, my MacBook recognizes the MacBook monitor and also IDENTIFIES the Insignia TV/monitor, but the Insignia TV continues to read NO SIGNAL! I tried changing the resolution of the MacBook display to 1440X852 (the closest to 1440x900) and it did not work. I tried shutting all off and starting the MacBook first, and then starting the Insignia LCD-TV and it still read NO SIGNAL! What do I need to do to get the Insignia to recognize the computer since it is supposed to act as a monitor for a computer?

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  • 13 more comments 
  • cwadrun Jun 15, 2008

    I have the same problem.


    ccw

  • beagle2369 Jul 07, 2008

    Hooked up my 15 in. MBP to a 22 in. Insignia, similar problem.  It recognized that there was something there, but gave me a different error message.

  • darin_dick Jul 09, 2008

    same issue - any help is appreciated.

  • darin_dick Jul 09, 2008

    Please email me at darin_dick@yahoo.com becuase I'm having the same issue.

  • illustrator Aug 02, 2008

    Same problem. The tv was hooked up to a computer at the store but when I got it home the screen remains black. I'd appreciate any help.



  • Anonymous Sep 08, 2008

    i have the same problem where my tv does not detect my MacBook, so i also tried using DVI to HDMI instead of VGA and this time the tv detects the computer but reads "mode not supported" please help-

  • Anonymous Sep 24, 2008

    I have a toshiba laptop running windows xp. vga hookup to vga on tv it does not recognize the display at all it either goes to video not supported or no connection made. I bought this tv 5 days ago i spoke with tech support they ar nt sure I brought my laptop into best buy hooked it up to the display model on the floor and it didn't work either. The geek squad tried ever thing that i had tried already on my tv with the answer well i guess its not compatible. And that's it. I did try hooking it up with the s video and it did work but was very fuzzy and looked like crap no matter what rez i put it in. Well I wonder if using a vga to dvi adapter and the a dvi to hdmi would work but that's expensive. Dunno im stumped

  • Anonymous Oct 04, 2008

    I have a new toshiba HDTV and I get the wallpaper on the tv and nothing else, i am using the connectors purchased at apple and cant get it to work, i thought I would be able to use the larger screen and get the web on it and watch dvds 
    anyone else have this challange?

  • kulawrence Oct 05, 2008

    Same problem. Please help.

  • Miroslaw Stanczyk
    Miroslaw Stanczyk Oct 21, 2008

    Have the same problem with trying to connect my PC to Insignia 20"LCD with D-Sub PC input.

    LCD keeps complaining that refresh rate is out of range and needs to to se to 60Hz, then I run PC in safe mode, set refresh rate to 60Hz and then autodetect indicate it is starting at 60HX but after ew second it switches to 70Hz, and goes black.

    Any ideas what the real problem is?



    thanks

  • Anonymous Dec 05, 2008

    I have the same problem. I'm trying to hook my computer to my 42" insignia lcd hdtv. The screen shows on the tv for about a minute when I hook it up then it goes to no signal. I have tried changing the resolution and this has done no good. Please help.

  • jusjerry216 Dec 19, 2008

    I have an RCA W26WD26D and I have the same problen the "No Signal" is all I get when trying to hook my TV to my computer. I've tried all the settings changes, disconnecting the VGA and reconnecting it in hopes that the computer would recognize it but nothing seems to work. Is there something that I can do to make this work?

  • Anonymous Dec 29, 2008

    Mac detects the display fine, it just will not show up on the TV.

  • billyo29 Apr 14, 2009

    Idid almost Identical things same result. I have a hp laptop with a sony 46" lcd Z series. went to Sear with my lap. same result on all Soney models. never tried any other brands

  • Taalor Nakol McDade
    Taalor Nakol McDade Dec 19, 2013

    I am having a similar problem except mine keeps going in and out. It will flash a blue screen and come up with the little hdmi box at the top then flash blue 3 seconds later and disconnect from hdmi. I've got a macbook air and I've got an insignia tv

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Heres the dealyo.
Click start button
Click control panel
Click display
Click settings
adjust screen resolution (probably have to go down) until the tv displays your computer
if this did not work, you will have to adjust bit rate from 32 to 16. Fiddle with the settings until the magic happens.
You will not get any sound unless you use an audio jack plugged into t.v.

Im here all week

Posted on Oct 27, 2008

  • inoelprogram
    inoelprogram Jun 01, 2012

    adding in: On Mac, the menu for display settings pops up individually on each monitor, so the menu that you "can see" is for your laptop not for your attached monitor. Use the SPACES view feature to pull the display menu over to your viewable screen. You have to use the SPACES feature!

  • inoelprogram
    inoelprogram Jun 01, 2012

    adding in: On Mac, the menu for display settings pops up individually on each monitor, so the menu that you "can see" is for your laptop not for your attached monitor. Use the SPACES view feature to pull the display menu over to your viewable screen. You have to use the SPACES feature!

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Here is my mac friendly solution:

Open your display settings (found in system preferences). Plug your computer into the TVs VGA port. Then, without shutting off the computer, unplug the VGA cable from the TV and put it back into your monitor.. A new list of resolutions should now be seen in the display settings. From the list, select a resolution that you know is supported by your TV (for me the max is 1680 x 1050). Unplug the VGA cable and hook it back up to your TV. You may have to turn the TV off and back on again or reselect the VGA setting to get it to try again, although I think it should work after a 5 or 7 second delay.

Enjoy!

Posted on Nov 06, 2008

I lowered my resolution and now it works perfect

Posted on Aug 11, 2008

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