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HDMI connecting issue with LG Flat screen TV 47LG55

I have a 47LG55 bought 2 years ago. Have a connecting issue with HDMI connecting to my ACER laptop Aspire 6930 that was also bought 2 years ago. It says "Invalid Format" in a black screen, I've checked the manual and it says "Check HDMI cable over version 1.3. The HDMI cables don't support HDMI version 1.3, it causes flickers or no screen display. In this case use the latest cables that support HDMI version 1.3". The HDMI cable I use it's PXT1000, a version 1.4. This is the same cable I use to hook up my blue-ray disc player Panasonic DMP-BD 35 with no problem all along connecting to the same LG TV. When I unplug from the back of the Panasonic DVD player and hook it up on my laptop, it says the "Invalid Format" with on display. My laptop using the same cable with no problems with other TV like Sony Bravia. Anyway, do you think it requires a HDMI cable of version 1.3, not anything over like 1.4 and so on? Optional Information: Make: LG Model: 47LG55 Already Tried: I've tried all 3 HDMI connections, HDMI1, HDMI2, HDMI3, same results of "Invalid Format"

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4 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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Amith DSilva
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SOURCE: I have an Acer Aspire 8930G trying to connect to my TV with HDMI

After you connected the HDMI Cable to the TV...Did you press the FN + F4 Key on the keyboard... The first screen you will see is the notebook screen is blank and the TV has got the desktop on top of it...The second time you press the FN + F4 then you will see thedesktop on the notebook and as well as the TV...The third time you press the FN+F4 you will see the desktop on the Notebook...

Posted on Aug 22, 2009

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  • 1 Answer

SOURCE: how to connect/configure my acer

for HDMI, I guess you just connect it with HDMI cable to your LCD TV, and use the FN+F5 or F6 to switch display from laptop's LCD to external. I think it should be the same way as using projector.

Posted on May 12, 2011

  • 8457 Answers

SOURCE: I have a sony blue

Tries tv unplug,replug it back like about an hour later.Than tries go into the tv menu do a resetting to factory setting in every settings on the tv.Than reconnect the Blu Ray player again should work.If not the tv and Blu Ray player softwares main firmware just not compatibles.The only solution is just don't used it on this tv,because if u tries to upgrade the tv firmware or the Blu Ray firmware and u get the wrong upgradable version in the tv or Blu Ray player.That it u in deep ****,than the tv or Blu Ray player well not functions at all or have multiple orperational problems during it playing times.

Posted on Jun 18, 2011

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