HDMI To TV Connection - Loss Of Picture And Sound

Sep 10, 2012

I have a Acer aspire 5536 laptop with ATI Radeon HD 3200 graphics card which i connect to my Pansonic TX-L37G20B LCD Tv via the HDMI output on a regular basis to watch films etc. I have had no problems with the connection since the day i bought the TV and have been happlily using it for the last 2 years.

A couple of days ago i connected the laptop to TV as usual and changed to the correct HDMI channel and got nothing. I disconnecetd the lead and reconnected but still no picture or sound on the TV. I tested the HDMI cable and Tv input by connecting the lead to my XBOX and it worked perfectly.

When i connect the lead to the laptop the screen goes blank for a second and i hear the connection sound as normal however no picture on the TV.

I have checked the display settings and the TV is listed under monitors. I have tried all settings eg extend display, duplicate etc.. and it appears to work correctly but i cannot get a picture or sound on the TV. I did think maybe this problem was due to a recent windows update so i have run a system restore to a previous time when this worked, but no joy. I have also unistalled the old graphics card drivers and installed the new ones from the AMD web site and again nothing.

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I had my Windows 7 running for 3 days with no issue, perfectly i must add, but up from Tuesday I'am struggling with really critical network issue.

I'am really turning on this forums as last resort, and I'am closer and closer to roll back to WinXP (which i really don't want...). But let me begin describing the problem from the beginning.

Some hardware specifications:

Windows 7 x64 7600 Polish Version

Motherboard: Asus P5QL Pro (with Intel chipset)

Network adapter: Atheros AR8121/AR8113/AR8114 PCI-E (On Motherboard)

Connection: Wire, Ethernet, straight to Modem

Modem: WebStar EPX2203

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Firewall: only default Windows firewall

- On Tuesday (24.11) morning (+1 gmt) I've installed drivers to my Network adapter which were in Windows Update.

- While playing Team Fortress 2, i started having really akward lag. I was able to hear and see everything around but i couldn't react. Then after couple of minutes my net got disconnected, loosing connection to the internet for a brief moment (up to 1 minute)

- I've blamed my internet supplier but the lag continued throughout whole day. Even during phone session on Skype it managed to last 5-30 min, finally ending with short net disconnection. Steam games weren't the only one affected, as while playing Borderlands i have also suffered from a lag, same type of lag like in TF2 (heard, and saw but couldn't do anything in-game)

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- Now I'am after fresh reinstallation of Windows 7, thinking that will resolve everything. But after i've installed every needed driver (for Graphic Card, Intel Chipset, HD Realtek Audio, updating DirectX, without updating Windows at all) and launched Team Fortress 2 to test out if lag is still present i've sadly encountered same as pre-reinstall of windows7.

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I have an Asus P5KC motherboard using the Windows 7 Windows Update drivers, and it's been like this pretty much since the start. I've turned off all power saving modes everywhere I could find and any sort of hibernation settings, and still it'll cut off almost always once a day. (I have a VNC server so I can log on from work, so I can tell when it 'crashes'.)

What's funny is that it often doesn't happen when I'm on the computer, it's mainly when I've been gone for a bit. That's not to say it hasn't happened when I've been at it, it's just more uncommon.

It's setup to a switch which in turn is connected to my modem. What's telling me that it isn't neither the modem nor the switch that has the problem is the fact that I have a mediastation which doubles as a webserver also connected to the router and it has never once cut out. I've tried switching the ports on the switch (ha-ha) to no avail.

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Also, I'm sorry for not posting this in the megathread we apparently have but I couldn't bear slogging through 43 pages of white noise and hope that my post wasn't lost at the tail end of it. There are so many issues being handled in there that I can't make heads or tails of who has the same problem.

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