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Windows 7: No HDMI output on TV anymore

24 Mar 2010   #1

Windows 7 Professional
 
 
No HDMI output on TV anymore

Hi

Ive been toiling away with this problem for some time, I used to be able to get sound on my TV when I ran Vista and since upgrading to Windows 7 I have had problens. I used to be able to have sound until I ran an application and the sound would go and not come back unless a restart was done.

I tied reinstalling both audio and video drivers and now I have video but no audo at all. It is picking up my TV, and it is selected as the default device but no more sound.

Im at a total loss as to what to do except buy a new laptop or desktop. Im running a:


Product Description: Samsung R70 Core 2 Duo T7100 1.8 GHz - 15.4" TFT
Dimensions (WxDxH): 35.8 cm x 26.4 cm x 3.7 cm
Weight: 2.7 kg
Localisation: United Kingdom
Platform Technology: Intel Centrino Duo
System Type: Notebook
Built-in Devices: Stereo speakers, wireless LAN aerial
Processor: Intel Core 2 Duo T7100 / 1.8 GHz ( Dual-Core )
Cache Memory: 2 MB - L2 Cache
RAM: 1 GB (installed) / 4 GB (max) - DDR2 SDRAM - 667 MHz - PC2-5300 ( 1 x 1 GB )
Card Reader: 6 in 1
Hard Drive: 120 GB - Serial ATA-150 - 5400 rpm
Optical Storage: DVD±RW (+R double layer) / DVD-RAM
Display: 15.4" TFT 1280 x 800 ( WXGA )
Graphics Controller: NVIDIA GeForce 8400M GS
Video Memory: 128 MB DDR3 SDRAM
Audio Output: Sound card
Telecom: Fax / modem - 56 Kbps
Networking: Network adapter - Ethernet, Fast Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g
Wireless NIC: Intel PRO/Wireless 3945ABG
Notebook Camera: Integrated - 1.3 Megapixel
Input Device: Keyboard, touchpad
Battery: Lithium Ion

Support for NP-R70 SAMSUNG#

The TV is a 26PFL5403D/10:
26PFL5403D/10 Philips LCD TV 26PFL5403D 26" DVB-T with Digital Crystal Clear - Philips Support

I know the TV is fine as it also does it on my big 42" LG in my living room. Please help! its driving me mad


My System SpecsSystem Spec
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24 Mar 2010   #2

Windows 7 Professional
 
 

Ok Ive managed to reinstall my Realtek drivers and are now back to square one. I have sound until I run an application, I dont know how important it is that the ones ive been testing are games that are a wee bit old e.g. aliens vs predator gold edition, american mcghees alice, bridge commander etc.

I got max payne working with patches but now it dosnt work. can anyone help me further?
My System SpecsSystem Spec
24 Mar 2010   #3

XP Pro SP3 X86 / Win7 Pro X86
 
 

Quote   Quote: Originally Posted by bigrabis View Post
Ok Ive managed to reinstall my Realtek drivers and are now back to square one. I have sound until I run an application, I dont know how important it is that the ones ive been testing are games that are a wee bit old e.g. aliens vs predator gold edition, american mcghees alice, bridge commander etc.

I got max payne working with patches but now it dosnt work. can anyone help me further?

This may not be true on all machines, but on some you need a separate driver for HDMI Audio. For example on ASRock ION machines you install the VIA audio driver first then there's a second driver to activate HDMI audio...

Have you checked the Samsung website?
My System SpecsSystem Spec
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25 Mar 2010   #4

Windows 7 Professional
 
 

Hmmm maybe, I honestly wouldnt know where to start looking for those drivers. Checked the samsung site, no tech support for windows 7, i have the vista drivers installed just now.

I should prob mention I installed civ IV and the new colonization and it does the same thing so its not just old games
My System SpecsSystem Spec
25 Mar 2010   #5

Windows 7 Ultimate x64 ®™
 
 

Have you updated your graphics drivers?
My System SpecsSystem Spec
27 Mar 2010   #6

7 Ultimate 64
 
 

Check your playback device is set to HDMI as the default. Also, 1 device can be muted while another still plays sound. Some of my appz auto-change the device. I'm an audiophile and totally disappointed by the limitations and bugs with audio support on 7.

Hope it worx!
My System SpecsSystem Spec
28 Mar 2010   #7

Windows 7 Professional
 
 

Yeah I have the latest Nvidia drivers.

Ive got the TV as the default device and the speakers on the laptop muted but still the same problem. If I make the laptop speakers the default I can get sound with my games. Its very strange that it does it on all programs except for itunes and media player.
My System SpecsSystem Spec
29 Mar 2010   #8

windows 7 64bit
 
 

I have the same problem but im using a DVI to HDMI adaptor , so no sound this way. I also use a separate stereo cable for audio. It was working fine untill someday when the sound was gone. I have a Acer 7520G laptop and a Sony tv kdl32w4000. When i use a diferent computer with the tv everything is fine , i have sound. When i connect my laptop to the tv the sound works only for 1 second until the image comes on. So i think maybe the laptop sends some kind of MUTE signal or something, i dont know. I have the latest drivers for video card (8600M GT)197.14 and Realtek audio driver ver.6.0.1.5832 .
Does anybody know how to fix this?
My System SpecsSystem Spec
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 No HDMI output on TV anymore




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