no sound anymore on hdtv when connecting laptop to tv?

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no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 14th February 2010, 7:44 pm

im connecting my sony vaio vgn-fw21l to my sense hdtv via hdmi cable. i am getting picture but no sound. this is very unsual as i have previously connected the laptop to the same tv WITH sound on numerous occasions (no probs watsoever). however over the last week i can no longer get sound...i just cant understand it. ive tried system restore but this didnt work. any ideas?

PS. ive done the usual -(control panel -sound-change to hdmi-set to default) etc. but this doesnt work as it says its all working properly (via the tests etc-though i cant hear anything).

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 14th February 2010, 7:59 pm

Plugged in properly?



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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 14th February 2010, 8:07 pm

yep. well it must be if the pictures sweet. ive tried both hdmi ports on the tv. i just cant understand while all of a sudden its playing up. ive tried the Fn + F7 too.

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 14th February 2010, 8:09 pm

Restart Computer and wait about 10 Minutes before Plugging in


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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 14th February 2010, 8:10 pm

Actually one thing i have noticed is that when selecting to put the HDMI output in the Sound window as my Default-i can do this-but i cant press APPLY. i can just OK it. the green tick does come up by the HDMI tho. im sure in the past i was able to apply it, but im not 100% sure i cud.

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 14th February 2010, 8:30 pm

ive tried restarting DoctorAcid, still no sound ....

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 14th February 2010, 11:55 pm

The Apply Button Probably Messed it up, Just clicking OK wont apply it, it just returns to default settings. Are you Administrator?



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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 15th February 2010, 5:42 pm

yeah, theres only 1 user-me.

the apply buttons still there but its grey so i cant select it.

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 15th February 2010, 7:15 pm

Press Fn+F8 Or Try Going to Properties on Desktop and Click Double Monitor.

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 15th February 2010, 8:31 pm

iv tried fn +f7 0n my sony laptop. i dont know what u mean about properties on desktop-i cant find that on vista. if i rightclick on desktop, it doesnt give me a properties option?

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 15th February 2010, 8:50 pm

Go to Desktop - Right Click - Personalize and check the options, is the Second Screen Greyed out?


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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 15th February 2010, 9:01 pm

Nothings greyed out. in personalise appearances and sound menu

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 15th February 2010, 9:02 pm

oh i c wat u mean, i clicked the display settings, then a window called monitor came up- the second screen on this is greyed out

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 15th February 2010, 9:09 pm

ive been scouring the net and i think it may have summin to do with my ATI HD 3470 card. however, i just cant understand why all of a sudden its stopped working. it used to be fine.i cant remember updating anything. windows does auto update from time to time, but could thath be it?

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 15th February 2010, 9:14 pm



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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by entourage on 15th February 2010, 10:00 pm

hi i tried this article-the guy is basically saying what u suggested earlier. i think its summin to do with drivers, but i just dont understand why its playing up now all of a sudden, when its been perfect for the last few months. also i think having that apply button greyed out has something to do with me being unable to change sound output properly. when i set the hdmi to default, the sound stops on my laptop also ~(as it should) but nothing from tv.

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Re: no sound anymore on hdtv when connecting laptop to tv?

Post by DoctorAcid on 15th February 2010, 10:01 pm

Hmm, Possibly Done by Updates Automatically


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