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Windows 7: Laptop not detecting my TV through HDMI cable anymore


10 Sep 2012   #1

Windows 7 Home Premium x64
 
 
Laptop not detecting my TV through HDMI cable anymore

So I've gone blue in the face for the past 2 days trying to figure out what's been going on with my HDMI port. 2 nights ago I was watching a movie through my Dell Inspiron N5050 laptop through my Panasonic HDTV. Yesterday, I tried to connect my HDMI cable to my laptop and computer, but nothing happened...So frantically I've been searching everywhere and trying what I have so far with no progress...

1.System Restore to earlier date when my HDMI port was working.
2.Toggle Computer/Duplicate/Extended/Projector Only and nothing worked(Also made sure tv was on the right HDMI input)
3.Tried 3 different HDMI cables and HDMI inputs
4.Uninstalled all sound drivers and Display Adapter(Intel(R) HD Graphics Family
5.Contacted Dell and had them try to reinstall drivers
6. Checked BIOS but I couldn't find any enable/disable feature for video.
7. Took battery out of laptop waited for 30 seconds pressed power button to reset.

Anything else you want me to try? I don't know why it would stop working for no reason. My Panasonic TV doesn't even show up under my playback devices and when I try and do a dual screen through screen resolution it says another display not connected. I'ved tried going Intel HD Graphics Control Panel as well...no such Luck! Beginning to think that my HDMI port on my laptop is broken. Please any other options?


My System SpecsSystem Spec
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10 Sep 2012   #2

Windows 7 Ultimate 64-bit
 
 

You say you think the HDMI on your laptop is broken, but also that you tried your computer with the TV as well?

And first thing to always do when connecting a TV up through HDMI, check your screen resolution. It should be automatically detected and set after the TV and Windows talk to each other, but sometimes communication just breaks down.

And of course... You did select the right HDMI source on your TV, didn't you?
My System SpecsSystem Spec
10 Sep 2012   #3

Windows 7 Home Premium x64
 
 

hey Oxymoron02! Yes I checked the HDMI source. My screen resolution on my laptop has never changed.
Sorry for the confusion! But my Laptop is my computer...I only have one.
My System SpecsSystem Spec
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10 Sep 2012   #4

Windows 7 Ultimate 64-bit
 
 

Do you have any other screens with HDMI, or even a friend or neighbour you could visit to check on this?

I'm trying to rack my brains to remember the Intel Graphics Panel from my old laptop, my new one is AMD so I unfortunately don't have access to the application at the moment.
My System SpecsSystem Spec
10 Sep 2012   #5

Windows 7 Home Premium x64
 
 

I don't have anyone nearby right now. I'm actually in Japan on Vacation when it happened...
My System SpecsSystem Spec
10 Sep 2012   #6

Windows 7 Home Premium x64
 
 

anyone have any other ideas?
My System SpecsSystem Spec
20 Sep 2012   #7

windows 7 ultimate 32bit
 
 

i am also having the exact same problem as of a week or so ago... sooo fustrating ... been searching forum after forum... but yours sounds exactly like my problem and have tried many variations of drivers... begining to think my port is broken too.... help please someone
My System SpecsSystem Spec
21 Sep 2012   #8
4wd

W8+8.1, W7 ult+hp, XP
 
 

Quote:
Do you have any other screens with HDMI, or even a friend or neighbour you could visit to check on this?
Yes, do that asap when possible. And test with the TV's 2nd HDMI (if it has 2 inputs).

OP, funny to see this post, as I've got a Panasonic TV with one of the a HDMI inputs gone bad, and initially thought it was a dying laptop. Eliminate the TV as the possible cause before servicing the laptop!
My System SpecsSystem Spec
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 Laptop not detecting my TV through HDMI cable anymore




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